Set 12 MEK motor MEO Class4 E pariksha uestions

1. In a uniflow scavenged marine 2-stroke diesel engine, the scavenge ports in a cylinder liner are machined:
Only for a part of the circumference, at an angle almost tangential to the circumference of the liner
All around the circumference at right angles to the circumference of the liner
only for a part of the circumference, at right angles to the circumference of the liner
All around the circumference at an angle almost tangential to the circumference of the liner

2. In order to reduce thermal loading on the upper part of the liner and increase the effectiveness of cylinder lubrication, modern 2-stroke marine diesel engines are designed to have:
Cermet coated piston rings, bore cooled liners and uniflow scavenging
High top land of piston crown and deeper cylinder cover with top land of crown extending into cylinder cover at TDC
Low top land of the piston crown with bore cooled cylinder liner
Bore cooled cylinder liner and bore cooled piston crown with toroidal shape combustion chamber

3. Which of the following statements correctly describes the phenomenon of surging in a 2-stroke crosshead type engine?
Due to sudden increase in engine load the exhaust gases may flow back through scavenge ports causing surge
Due to sudden decrease in engine load the turbocharger pressure ratio drops . This causes high pressure downstream of T/C in scavenge trunk causing flow reversal of scavenge air
Due to sudden increase in engine load , the T/C turbine rpm may increase suddenly increasing the compressor pressure ratio to surge
Due to sudden decrease in engine load , the turbocharger may stall as the higher pressure downstream in exhaust system may cause reversal of flow of exhaust gases

4. What is meant by elastohydrodynamic lubrication?
Formation of hydrodynamic film under high pressure with minor elastic deformation of mating surfaces, distributing load over a greater area
Addition of extreme pressure additive (EP) to the lubricant
Addition of Viscosity index improvement additive
Addition of elastomer based additives

5. Which of the following will be required to be done in order to reduce sulphur corrosion of Main Engine components
Increasing the atomization pressure of fuel injectors
Fitting exhaust valves with valve rotators
Running engine at or near normal sea load
Decreasing the F.O. purifier feed rate , running two purifier in series one acting as purifier and other as clarifier

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Set 11 MEK motor

1. Generating tubes in waste heat boilers are finned to
choose one reduce gas flow turbulence prevent exhaust gas corrosion increase the rate of combustion increase the rate of heat transfer

2. 58. Any steering gear system alarm can only be successfully acknowledged from __________
choose one The bridge The engine control room The steering compartment The ship's office

3. To check the setting of the overspeed trip on a diesel powered generator, you would use a
choose one tachometer torsion meter dynamometer pony brake

4. Which of the following specifications/qualities of cylinder oils counter corrosive wear?
choose one Viscosity TBN Detergency Specific Gravity

5. In a bypass type filtering system for a medium or high speed diesel engine, the lube oil bypassing the filter
choose one returns directly to the suction side of the pump returns directly to the sump flows to the engine bearings flows through a second-stage strainer, reheater, and returns to the sump

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set 10 Marine Engineering Knowledge Motor Epariksha online questions for Marine engineering class 4 online exam

1. In a coil-type auxiliary water-tube circulation boiler
choose one unevaporatedfeedwater collects in the bottom of the flash chamber all generated steam is recirculated through heating coils in the boiler heated water flashes to steam in the boiler heating coils response to steam demand is slower than in a fire-tube boiler

2. For a continuous operation diesel engine, a duplex filter unit would be the best arrangement because
choose one changing filter elements would not interrupt engine operation filtering occurs twice in each pass of oil through the system clogging will not occur dropping pressure is half of that through a single filter unit

3. As per regulations, within how many hours before each departure, satisfactory working of thesteering gear must be checked?
choose one 2 12 24 none of the above

4. Modern 4-stroke medium speed, marine diesel engine exhaust valve spindles are rotated by providing
choose one Nozzle rings Tappet clearance Spinners or vanes Rotocaps

5. If the boiler tubes are scaled on the water side then :-
choose one Heat conduction through the tubes will be very high leading to rapid evaporation The boiler furnace can get damaged due to excessive temperatures The surface of the tube will be overheated as heat transfer is impaired The natural circulation of water within the boiler will be more efficient

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Set 9 mek motor questions

1. The arrangement used to protect overheating of the superheaters under fluctuating loads is called :
choose one De-superheater Attemperator Steam dumping valve Feed heater

2. Piston rod stuffing box scraper rings butt clearances should:
choose one Not be allowed to fall below 50% of original clearance Not be allowed to increase above 50% of original clearance Not be allowed to fall below manufacturer recommended value Not be allowed to increase above manufacturer recommended value

3. In a 2-stroke engine a ________________ separates the underpiston space from the crankcase.
choose one A-frame Crosshead Diaphragm Scavenge space

4. Fusible plugs are installed in fire-tube boilers to
choose one provide a means of draining the boiler warn the engineer of low water level cool the crown sheet at high firing rates open the burners' electrical firing circuits

5. Which of the following gauges are generally used to evaluate main bearing clearances?
choose one Poker gauge Feeler gauge Telescopic feeler gauge Dial gauge

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Set 8 - Epariksha wek online mcq questions

1. Which of the following statements is false ?
choose one The fuel oil sulfur level is one of the important criteria for choice of TBN level of cylinder oil The use of anti-polishing rings or flame rings increases the consumption of cylinder Excessive cylinder oil feed can lead to harmful deposits in piston top land area None of the above

2. C off a cold boiler equipped with a return flow fuel oil system, the recirculating valve directs the flow of oil
choose one directly to the fuel oil heater inlet for further warm-up back to the fuel oil settler for further filtration back to the suction side of the service pump directly to the deep tanks

3. If the tappet clearance between the rocker arm tappet and exhaust valve stem is excessive then:
choose one The valve will open early and close later The valve will open later and close early The valve will open and close later The valve will open and close early

4. Which of the following conditions can lead to reduced power developed by a main engine?
choose one High scavenge air temperature Choked air suction filter of a turbocharger Blow past in one or more units All of the above.

5. Which of the following types of diagrams would give an indication of effectiveness of exhaust and scavenge processes?
choose one Power card Draw card Light spring diagram All of the above.

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Set - 7 MEK Motor online multiple choice questions with answer

1. In modern 2-stroke marine diesel engines the exhaust valves are:
choose one Mechanically actuated Pneumatically actuated Hydraulically actuated Electrically actuated

2. Which of the following is a proper practice to follow in the event of discovery of a small soot fire in exhaust gas boilers?
choose one Repeated soot blowing Stopping cooling water circulation Reducing main engine speed Opening the inspection doors and extinguishing the fire

3. The boiler water alkalinity in a coil-type auxiliary boiler should be maintained at the pH recommended by the boiler manufacturer to
choose one precipitate silica from solution reduce corrosion in the heating coil prevent clogging and erosion in the coil maintain zero water hardness

4. What does the NLGI number of a grease indicate?
choose one The oxidation resistance of the grease The consistency of the grease i.e how fluid or non fluid Demulsibility of the grease The shelf life of the grease

5. Which of the bearings listed is most widely used for main and connecting rod bearings of modern diesel engines?
choose one Steel-lined Poured babbitt, self-aligning Split roller Precision insert

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Set-6 MEK Motor multiple choice questions of E-pariksha meo class 4 exam

1. Which of the following statements is true?
A fuel with high cetane index has longer ignition lag and is associated with better combustion
A fuel with high cetane index has shorter ignition lag and is associated with better combustion.
A fuel with low cetane index has longer ignition lag and is associated with better combustion.
A fuel with low cetane index has shorter ignition lag and is associated with better combustion

2. Which of the following statements is true?
The TBN value of cylinder oil should be ideally matched with the sulfur content of the fuel.
The TBN value of cylinder oil is not a function of the sulfur content of fuel oil.
Cylinder oils with higher TBN values should be used for fuel oils with lower sulfur content
The TBN value of cylinder oil is a function of maximum combustion pressure.

3. As per regulations, the velocity capacity of a steering gear system should be such so as to be able to turn the rudder__________________________
35 degrees one side to 35 degrees on the other side, in 28 seconds at maximum service speed
35 degrees one side to 30 degrees on the other side in 28 seconds at maximum service speed
35 degrees one side to 35 degrees on the other side, in 28 seconds at normal service speed
35 degrees one side to 30 degrees on the other side, in 28 seconds at normal service speed

4. The purpose of valve spindle rotators in case of exhaust valves of modern two stroke engines is to:
Improve engine efficiency by allowing even temperature distribution through the combustion chamber
Allow even temperature distribution along the disc of the valve spindle, even wear rate and removal of any deposits
Utilising waste energy in the exhaust gases to increase the engine efficiency
Allow exhaust gases to exit in a rotational motion, inducing good draught of scavenge air for better mixing of air and fuel for effective combustion

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Set 5 Marine Engineering Knowledge online questions on motor paper

1. What prevents rotation and fretting between a thin shell bearing and its housing ?
choose one Location tangs or pegs The nip or crush of the bearing A special kind of adhesive Any of the above

2. Which of the following types of scavenging systems is most popular in modern engines?
choose one Loop scavenging Cross flow scavenging Uniflow scavenging Reverse scavenging

3. Which of the following can be a consequence of worn scraper rings and sealing rings of a piston rod stuffing box?
choose one Increased risk of scavenge fire Increased risk of crankcase explosion Increased Lube oil consumption All of the above

4. The superlong stroke slow speed 2-stroke diesel engines when compared to short stroke version gives
choose one Poorer propulsive efficiency but better fuel combustion Better propulsive efficiency but poorer fuel combustion Better propulsive efficiency as well as better fuel combustion Poorer propulsive efficiency as well as poorer fuel combustion

5. Coked material remaining after an oil has been exposed to high temperature, is an indication of the coke forming tendency of the oil. It can be expressed as
choose one Conradson Ramsbottom Micro Carbon Residue Any of the above

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Set - 4 MEK motor

1. Clearance volume scavenging in a turbocharged,four-stroke/cycle diesel engine is accomplished
choose one during the valve overlap period with only the exhaust valve open at a pressure below atmospheric without cooling the cylinders or pistons

2. A normal manometer reading of turbocharger air suction filter and normal speed of the turbocharger but reduced scavenge air pressure may be due to:
choose one Fouling of the nozzle ring Fouling of diffuser or compressor wheel Fouling of the turbine Cold climate

3. Abnormal wear occurring in engines due to localized welding and fracture is known as ___________________
choose one Scoring Scuffing Peeling None of the above

4. The bearings used to support the crankshaft are generally called
choose one line shaft bearings connecting rod bearings main bearings support bearings

5. The flame safeguard control system of a large automatic auxiliary boiler will provide fuel shut off in the case of high
choose one water voltage fuel pressure steam pressure

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Set 3 - E -Pariksha Online previous questions on MEK Motor for MEO class 4

1. The light and medium fuels utilized in internal combustion engines provide a source of
choose one lubrication for pistons and rings food for microbiological organisms gases most detrimental to the ozone layer of the atmosphere all of the above

2. A very sudden rise in pressure during combustion accompanied by a metallic, hammer like sound is called knocking of the unit or detonation and usually occurs
choose one Near the end of the pressure rise after ignition of fuel charge. Just before the fuel charge is about to ignite. Immediately after the unit reaches peak pressure and before ignition of fuel charge. At any stage of the combustion process

3. Automatic combustion control systems for some auxiliary boilers are designed to cycle burners on in response to
choose one low fuel pressure fuel return pressure low steam pressure furnace air pressure

4. One of the major disadvantages of constant pressure turbocharging over pulse pressure turbocharging is :
choose one Reduction in specific fuel consumption Lengthening of effective stroke leading to greater expansion in engine Poor turbocharging efficiency Inability of the system to operate at low loads and slow response during acceleration

5. Following method is sometimes used in constant pressure turbochargers of a 4-stroke diesel alternators during starting and rapid acceleration :
choose one Auxiliary electrical blowers assisting turbochargers during starting Auxiliary shaft driven blowers assisting turbochargers during starting Auxiliary air drive for turbocharger acceleration during starting Variable geometry turbocharging

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Set 2 - MEK Motor E pariksha online questions for MEO class 4 marine enginering

1. Which of the following is the primary advantage of supercharging the air quantity in a diesel engine, by means of a turbocharger?
choose one It leads to considerable gain in thermal efficiency. It increases the maximum pressure generated in a cylinder appreciably. It improves the power to weight ratio of the engine All of the above.

2. The amount of chloride content in the water of an auxiliary boiler can be reduced by
choose one adding hydrazine blowing down the boiler adding phenolphthalein adding a sulfite chloride scavenger

3. One of the major disadvantages of constant pressure turbocharging over pulse pressure turbocharging is
choose one Reduction in specific fuel consumption Lengthening of effective stroke leading to greater expansion in engine Poor turbocharging efficiency Inability of the system to operate at low loads and slow response during acceleration

4. Which of the following design features will reduce the possibility of overheating the top compression rings of a cast iron piston?
choose one A nickel-bearing insert is cast into the top ring groove A heat dam design is sometimes used in the piston head- The top ring is located as close to the piston rim as possible The inside surface of the piston head is rounded into the ring bell

5. In a direct connected or geared main propulsion diesel engine would be fitted with a:
choose one Isochronous hunting governor Rotating governor disc Variable speed governor Constant frequency governor

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Set 27 - Marine Engineering Knowledge Motor E Pariksha online questions

1. Both power units of a steering gear system need to be switched on ______________
choose one When the ship is within 12 nautical miles from shore. When pilot is on board When navigational circumstances demand caution All the above

2. The kinetic energy imparted to air by the compressor impeller of a turbocharger is converted into pressure energy at the:
choose one Nozzle ring Diffuser Ring Inducer None of the above

3. Which of the following is one of the disadvantages of cast iron chokes, used in holding down arrangement of engines?
choose one Poor compressive strength Poor vibration damping Cast iron is brittle and prone to crack All of the above

4. Too high Calculated Carbon Aromaticity index (CCAI) of fuel oil indicates:
choose one Reduced ignition delay Increased ignition delay Reduced chances of knocking None

5. Which of the following factors affect penetration of fuel droplets during injection?
choose one Quality of atomization Injection temperature Scavenge air pressure All of the above.

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Certificates, Documents, Records carried on board ship as per Marpol 73/78 Annex 1,2,3,4,5 and 6

The certificates, documents and records carried on board the ship as per Marpol Annexes are given below below. Please include if you have anymore.

Annex I

1. IOPP Certifiate
2. Oil Record Book
1.  Part I for Machinary Space (for all Ships)
2.  Part II for tankers (cargo)
3. SOPEP Manual
4. Cow Manual
5. ODMCS Manual

Annex II
(Details given in IBC code)

1. Certificate of Fitness (Chemical tanker is required to have COF indicating that it is certified to carry certain products)
2. Cargo Record Book (same as ORB Part II)
3. Procedure and Arrangement manual (P & A Manual)
4. NLS Certifiate (For ships carrying NLS)
5. SMPEP manual (if chemical/oil tanker, than SMPEP is intergrated in SOPEP and named as SOPEP manual)

Annex III
(Details given in IMDG code)

1. Detailed Stowage Paln
2. Multimodal dangerous Good Plan

Annex IV
ISPP Certificates (if the ship is having an approved STP )

Annex V

1. Garbage Management plan
2. Placards (posters)
3. Garbage Record Book

Annex VI

1. IAPP Certificate
2. EIAPP Certificate
3. ODS Record Book
4. NOx technical file
5. NOx Record Book (sometimes included with NOx technical file)
6. VOC management plan
7. Bunker Delivery Note
8. SEEMP (for old ships)
9. International Energy Efficiency Certificate (for new ships)
10. EEDI Technical file
11. Fuel oil change over procedure manual (should be displayed)

Please include if you have know anymore documents. Like our page to get all updates

Marine Electro Technology (MET) E-Pariksha online exam previous asked question for MEO class 4 exam

We will be happy to get your feedback on this work. Please correct us if we have marked any wrong answers. you can give the right answers in the comment column given below in each page. Recommend this page to your friends if you feel this is helpful. Like our facebook page to get all updates

• Set 1 - Marine Electro Technology
• Set 2 - Marine Electro Technology
• Set 3 - Marine Electro Technology
• Set 4 - Marine Electro Technology
• Set 5 - Marine Electro Technology
• Set 6 - Marine Electro Technology
• Set 7 - Marine Electro Technology
• Set 8 - Marine Electro Technology
• Set 9 - Marine Electro Technology
• Set 10 - Marine Electro Technology
• Numericals - Marine Electro Technology
• Fill in the blanks  - Marine Electro Technology

Fill in the blanks in MET EPariksha

We request the readers to answer the blanks in the comment column below so that it will be helpful to all others referring this questions

1. Open-loop transfer function of a system having one zero with positive real values is called _______ phase function

2. In a Control Loop System, having Zero(0) Positive Real Values are called ____________.

3. Resistance of a wire is increased if the Length is____  and Area is _____.
ANS - INCREASED, DECREASED

4. The type of the system whose transfer function is given by
   G(S) =(s2+3)/(s5+s4+s3+3s2+2s) is:

5. A semiconductor is damaged by a strong current, because of (1)________ (2)________ (3)________

6. Permanent damage to semi conductor due to overcurrent may be caused due to ______ _______ _______

7. For a given line voltage, four heating coils will produce maximum heat when connected in__________

8. WHAT IS VALUE OF Vgs WHEN Id EQUALS ZERO
ANS - PINCH OFF VOLTAGE

Set 10 - Marine electro technology multiple choice question from e-pariksha for meo class 4

1.A poly-phase motor driving an engine room pump fails to start. When trying to identify the cause of failure, which of the following steps are applicable?
A.Visually examine motor for open circuit faults.
B.Visually examine starter for open circuit faults.
C.Reverse the direction of electrical supply to check if it works.
D.Perform the infinite resistance test.
 ANS A, B, D

2.When paralleling an AC generator with live bus bars, which of the following precautions are applicable?
A.Generator frequency should be slightly lower than bus bar frequency
B.Generator frequency should be slightly higher than bus bar frequency
C.Generator voltage should be in phase with bus bar voltage
D.Generator voltage should be out of phase with bus bar voltage
ANS B, C

3.With reference to a Data Logger for a refrigeration system, which of the following parameters should be monitored?
A.Room temperature.
B.Liquid Line temperature.
C.Recharge temperature.
D.Solenoid valve operation.
ANS A, B, D

4.With reference to a Data Logger for a refrigeration system, which of the following parameters should be monitored?
A.Sea water temperature and pressure.
B.Condensing temperature
C.Refrigerant leakage
D.Evaporating temperature
ANS A, C

5.Which of the listed precautions should be taken when cleaning the internals of a motor with compressed air?
A.Open the machine on both ends so as to allow the air and dust to escape.
B.Be certain that the circuit breaker is opened and tagged on the feeder panel.
C.Be certain that the air is clean and as dry as possible.
D.Ensure that the fuse in the motor is removed.
ANS A, B, C

6.The current in a semiconductor is produced by:
A.Electrons
B.Neutrons
C.Protons
D.Holes
ANS A, D

7.In a Transistor
A.PNP and NPN are two basic types
B.Emitter,Collector and Base are the basic Elements.
C.Collector separates Base and Emitter
D.Emitter separates Base and Collector
ANS A, B

8.Purpose of preferential trip to prevent
A.blackout
B.to avoid overload
C.to start heavy machinery
D.all
ANS A, B

9.To prevent electric shock during electric arc welding
A.Wear dry clothes
B.Wear insulated shoes
C.Keep first aid equipment ready
D.None of the above
ANS A, B

Numericals of Marine Electro Technology asked in E pariksha online exam

WE REQUEST THE READERS TO ANSWER THE NUMERICALS IN THE COMMENT COLUMN GIVEN BELOW SO THAT THE ANSWER WILL BE AVAILABLE TO ALL CANDIDATES APPEARING FOR THE EXAM. MOREOVER THESE ANSWERS WILL BE AVAILABLE AT ALL THE TIME.

 1) A certain appliance uses 750 W. If it is allowed to run continuously for 15 days, how many kilowatt-hours of energy does it consume?

ANS 750*15*60/1000 

2) What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 

ANS 75*4 

3) If it takes 35 J of energy to move a charge of 6 C from one point to another, what is the voltage between the two points? Your answer should be correct to two decimals. 

4) Calculate the Velocity of the conductor (up to 0 decimal places), if terminal voltage is 2.2 V/m and the magnetic field strength is 0.2 T. . 

5) Calculate the frequency of the motor ( up to 0 decimal places), if the speed if 4800 Rpm and number of Poles is 2. 

ANS 120*F/P 

6) If the resistance of any coil is 120 Ohm. Calculate the Resistance (up to 0 decimal places), when its Length is increased by 20% and its Diameter is increased by 50%. 

ANS RESISTANCE = RHO*LENGTH/CROSS SECTIONAL AREA 

7) What is the power in a Resistor in Milli Watts (up to 0 decimal places), having Resistance of 12 Ohm having a Potential Difference of 3 V. 

ANS POWER=VOLTAGE*VOLTAGE/RESISTANCE (ANS*1000 TO CONVERT TO MILLIWATTS) 

8) what happens to the amount of energy stored in the electromagnetic feild when the current thro an inductor is cut in half.. 9) electrons and protons of the same momentum enter normally into a uniform magnetic field of flux density B. mass of the electron is me (m suffix e) and mass of the proton is mp (m suffix p).if re (r suffix e) and rp (r suffix p) represents the radii of the path of the electrons and the protons respectively. calculate the ratio re/rp. your answer should be correct to 2 decimals..

Set 9 - MET online questions for marine engineer MEO class4 exam

1. A semiconductor that decreases in resistance with an increase in temperature is known as a __________.
resistor
thermistor
diode
thermopile

2. In a diesel electric plant, raising the generator's field excitation will cause the DC propulsion motor to __________.
increase in speed
decrease in speed
affect generator speed only
affect main motor speed if done in conjunction with higher generator engine speeds

3. Which of the following statements best describes the material known as varnished cambric?
Felted asbestos sealed with varnish.
Cotton cloth coated with insulating varnish.
Rubber insulation coated with a layer of tin.
Paper impregnated with mineral oil, specially wrapped with nonmetallic tape, and coated with varnish.

4. A synchronous motor maintains synchronism with the rotating field because _____________.
field strength varies directly with rotors Slip
DC current applied to the rotor coils causes the rotor magnets to lock in with the rotating flux of the stator
the stator poles are dragged around due to the flux created by the excitation current
the stator flux rotates in the opposite direction

5. A low voltage protection circuit is used in electric motor starting equipment
Trip circuit contractor when the motor overspeed due to low voltage
Trip circuit contractor when the motor develops short circuit due to low voltage
Allows the motor to restart automatically on restoration of voltage without manual resetting
prevent motor from restarting automatically

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Set 8 - Chocolate questions of Marine Electro Technology, Class 4 E Pariksha

1. The opposition to the magnetic lines of force in magnetic field is called
choose one Resistance Reluctance Impedence Inductance

2. PN Diode advantage over a Vacuum Diode
choose one longer life no warm up time less delicate all the above

3. Time delayed or delayed action-type fuses are designed to _____________.
choose one prevent grounds in branch circuits prevent opens in motor circuits permit momentary overloads without melting guard lighting and electronic circuits

4. Silicon diodes designed for a specific reverse breakdown voltage, become useful as an electronic power supply voltage regulator, called _____________.
choose one tunnel diodes hot-carrier diodes compensating diodes Zener diodes

5. The part of a fuse that melts and opens the circuit is made of _____________.
choose one Copper and antimony Steel and Babbitt Aluminum or beryllium alloy Zinc or an alloy of tin and lead

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Set 7 - Marine Electro Technology previous asked online questions for MEO class 4 exam

1. Which of the following physical character does around rotor induction motor posses that squirrel cage motor does not
choose one Slip Rings End Rings Centrifugal Clutch End Plates

2. Which of the following conditions will occur when solenoid coil burns out of a cargo winch with a electrical brake.
choose one The brake will be set by spring force. The motor will overspeed and burns out The load suspended by the cargo boom will fail Nothing will happen, the winch will continue to operate normally

3. which of the following capacitor is having highest di electric constant
choose one AirGap Glass Paper Polyster

4. If an intrinsic semiconductor is doped with a very small amount of boron then the extrinsic semiconductor set formed ,the no. of electrons and holes will
choose one both dec increase and decrease Both increase Decrease and increase

5. determine the order of doping in transistor (from high to low)
choose one collector ,base, emitter Emitter,collector,base Base, emitter,collector collector ,base, emitter

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Set 6 - MEO Class IV online questions for Marine Electro Technology for Engineers

1. Calculate avg value of 12v peak sine wave over one complete cycle?
choose one Zero 12v 6v 3v

2. which of the capacity has dielectric constant of 1.0000
choose one Airgap Vaccuum Electrolyte water

3. When testing a capacitor with an analog type ohmmeter, a good capacitor will be indicated when __________.
choose one there is no meter deflection the meter deflects to a low resistance value and remains the meter deflects to a low resistance value and slowly increases towards infinity the meter deflects to a low resistance value and increases rapidly to a higher value,

4. the appereant power in inductive circuit
choose one True power Lead Inductive Reactive

5. getting the value of a/c sign wave from ammeter and voltmeter is
choose one RMS Peak Avg Full Wave

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Set 5 - Marine Electro Technology E Pariksha online questions

1. When reading electrical motor controller diagrams, it helps to know that ____________.
paths in the control circuit are drawn as heavy lines and in the power circuit as lighter lines
current paths in the power circuit are drawn as heavy lines and in control circuit as lighter lines
circuits subject to 500 volts or greater are drawn as heavy lines and below 500 volts as lighter lines
circuits subject to 500 volts or greater are drawn as light lines and below 500 volts as heavy

2. .Where a thermal-acting breaker is required to be used in an area of unusually high, low, or constantly fluctuating temperatures, an ambient compensating element must be used. This element consists of a
Cylindrical spring on the contact arm.
Conical spring on the contact arm.
Second bimetal element
Second electromagnet

3. Which of the following precautions should you take when securing propulsion generators and motors for an extended period of time?
Disconnect the brush pigtails from their contacts and circulate air through the units.
Disconnect the brush pigtails from their contacts and discharge carbon dioxide into the units to keep them dry.
Lift the brushes from commutator collector rings and use the built-in heater to prevent moisture accumulation.
brushes from commutator collector rings and circulate cool dry air through the units.

4. Which of the listed precautions should be taken when cleaning the internals of a motor with compressed air?
the machine on both ends so as to allow the air and dust to escape.
Be certain that the circuit breaker is opened and tagged on the feeder panel.
Be certain that the air is clean and as dry as possible
All of the above

5. 52When testing a capacitor with an analog type ohmmeter, a good capacitor will be indicated when __________.
there is no meter deflection
the meter deflects to a low resistance value and remains there
Insulation varnish flaking.meter deflects to a low resistance value and slowly increases towards infinity
the meter deflects to a low resistance value and increases rapidly to a higher value, but stays fairly low

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Set 4 - Online Multiple choice questions for Electricity for MEO class 4

1. Large cable sizes are formed as individual conductors that may be comprised of several smaller strands to __________.
choose one obtain the flexibility required for easy handling reduce the overall weight of the wire run reduce the number of supports all of the above

2. Which of the following is having Di-Electric Constant 80?
choose one Air Water Caster Oil Mica

3. Where a thermal-acting breaker is required to be used in an area of unusually high, low, or constantly fluctuating temperatures, an ambient compensating element must be used. This element consists of a ______________.
choose one cylindrical spring on the contact arm conical spring on the contact arm second bimetal element second electromagnet

4. The direction of magnetic flux changes when the direction of current is reversed.
choose one True False Dont Know Dont Know

5. In a P-Type Semiconductor, the majority current Carriers are ___________.
choose one Holes Electrons Protons All of the above

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Set 3 : E-pariksha online previous asked question on MET Function 5

1. AC circuits possess characteristics of resistance, inductance, and capacitance.The capacitive reactance of acircuit is expressed in
choose one Ohms Mhos Henry Farad

2. greatest detrimental effect on idle electrical equipment, such as cargo pump motors,is the
choose one Loss of residualmagnetism. Absorption of moisture in the insulation. Insulation varnish flaking Dirt collecting on the windings.

3. The basic measuring unit of inductance is the
choose one coulomb Ohm farad Henry

4. Which of the following statements is true concerning a poly-phase synchronous propulsion motor?
choose one The motor is started as an induction motor Resistance is gradually added to the rotor circuit. The starting current is held below the rated current. The field winding is energized for starting purposes only

5. Alternating current circuits develop resistance, inductance and capacitance. The inductance of a coil is expressed in _____________.
choose one Ohms Mho Henrys Farad

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Set 2 - MET E-Pariksha Online questions for MEO class 4 exam

1. A fuse that blows often should be replaced only with a fuse of
.the recommended current and voltage rating
higher current and voltage rating
higher current and lower voltage rating
lower current and higher voltage rating

2. .Where a thermal-acting breaker is required to be used in an area of unusually high, low, or constantly fluctuating temperatures, an ambient compensating element must be used. This element consists of a
Cylindrical spring on the contact arm.
Conical spring on the contact arm.
Second bimetal element
Second electromagnet

3. .Brushless generators are designed to operate without the use of
Brushes
Sliprings
Commutators
All the above

4. AC circuits possess characteristics of resistance, inductance, and capacitance.The capacitive reactance of acircuit is expressed in
ohms
Mho
Henry
Farad

5. The greatest detrimental effect on idle electrical equipment, such as cargo pump motors,is the
Loss of residualmagnetism.
Absorption of moisture in the insulation.
Insulation varnish flaking.
Dirt collecting on the windings.

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Set 1 - Marine Electro Technology E-Pariksha Online Questions

1. Tightly knit metal braid wire can be used with a printed circuit board when
choose one Conductor flexibility is required De-soldering components in the circuit conductor resistance is not a factor Reactance in the circuit must be kept to a minimum

2. Which of the following statements represents an application of a silicon controlled rectifier?
choose one To provide DC power for a main propulsion motor For use as a voltage reference diode. For sensing flame in an automated burner. To eliminate power supply hum

3. The induced voltage across a stationary conductor in a steady magnetic field is zero.
choose one True False Dont Know Dont know

4. For leading power factor circuits, which of the following can be used?
choose one Shunt Capacitors only Shunt Reactors only Either Shunt Capacitors or Shunt Reactors Neither Shunt Capacitors Nor Shunt Reactors

5. A molded-case breaker provides protection against short-circuits by usinga/an
choose one Shading coil. Arc quencher. Electromagnet. Holding coil.

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Ship safety and environmental protection, E-Pariksha questions with answers

Here we are providing you with previous asked E-pariksha questions from the paper "SHIP SAFETY AND ENVIRONMENTAL PROTECTION ". We request all users not to copy paste our content anywhere. The questions are divided into different pages for simplicity. If anyone feels that the any of the answers are wrong, we request the users to give the correct answer in the "comment column" along with the source in that page itself, if you have any. This will be helpful for others also and will be available for ever. The questions are not repeated here (like facebook). so if u give any link or proof to any answers, I will be available here at all times. We have also integrated "facebook comment" in the page to make the process easy. The feedback is also expected from the users to make necessary changes. If this is helpful for the candidates, then we are also planning to publish the same model of papers for all subjects of MEO Class4. So your feedback is valuable for us. Recommend this page to your friends if you feel this is helpful. Like our facebook page to get all updates

• Ship Safety and Enviromental protection- Set 1 
• Ship Safety and Enviromental protection- Set 2 
• Ship Safety and Enviromental protection- Set 3
• Ship Safety and Enviromental protection- Set 4
• Ship Safety and Enviromental protection- Set 5 
• Ship Safety and Enviromental protection- Set 6
• Ship Safety and Enviromental protection- Set 7 
• Ship Safety and Enviromental protection- Set 8 
• Ship Safety and Enviromental protection- Set 9 
• Ship Safety and Enviromental protection- Ship 10

Remaining sets will be uploaded soon 

Set 10 : E-pariksha Questions on Ship Safety and Environmental Protection

1. The most common cause of engine room fires is:
choose one Spontaneous combustion of oily rags Back fire of boilers ignition sources coming in contact with stored fuel /lubes Oil leakage coming in contact with hot exposed surfaces

2. Dumping of wastes at sea is controlled by which of the following IMO conventions?
choose one Marpol 73/78 London convention Hongkong convention Kenya convention

3. As per MARPOL Annex -1 definition, Special area means:
choose one Some specific areas where coastal state legislation doesn???t allow any bilge water/slop discharges Areas as defined by Annex-1 where no bilge water/slop discharges are allowed Areas as defined by Annex-1, where special mandatory methods are adopted for the prevention of sea pollution by oil Areas as defined by Coastal state regulations(e.g. OPA-90), where special mandatory methods are adopted for the prevention of sea pollution by oil

4. Which of the following documents carried by a ship is not issued under the SOLAS convention?
choose one Fire control plan/booklet Maneuvering booklet Minimum safe manning document Records of hours of rest

5. Which of the following is not an exception provided under MARPOL, Annex-1, regarding the discharge of oil or oily mixture into the sea?
choose one Discharge for the purpose of securing safety of a ship Discharge for the purpose of saving life at sea Discharge resulting due to damage to the ship because of Master???s fault even if the Master/Owner of the ship has taken all reasonable precautions to prevent/minimize discharge Discharge resulting due to damage to the ship not because of Master???s fault, but because of a third party???s fault and action awaited by Master from that third party to prevent /minimize discharge

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