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

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• 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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