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Multiple choice questions for Ship construction- MEO class 4 online e pariksha



101)The difference between the starboard and port drafts due to wind or seas is  called __________.
A) list
B) heel
C) trim
D) flotation

102)Forces within a vessel have caused a difference between the starboard and port drafts. This difference is called __________.
A) list
B) heel
Ship construction
C) trim
D) flotation

103)The maximum mean draft to which a vessel may be safely loaded is called __________.
A) mean draft
B) calculated draft
C) deep draft
D) load line draft

104)That center around which a vessel trims is called the __________.
A) tipping center
B) center of buoyancy
C) center of gravity
D) turning center

105)The distance between the bottom of the hull and the waterline is called __________.
A) tonnage
B) reserve buoyancy
C) draft
D) freeboard

106)For an upright vessel, draft is the vertical distance between the keel and the __________.
A) waterline
B) freeboard deck
C) Plimsoll mark
D) amidships section

107)After transferring a weight forward on a vessel, the draft at the center of flotation will __________.
A) change, depending on the location of the LCG
B) increase
C) decrease
D) remain constant

108)The average of the forward and after drafts is the __________.
A) mean draft
B) true mean draft
C) mean of the calculated drafts
D) draft at the center of flotation

109)In order to calculate the TPI of a vessel, for any given draft, it is necessary to
divide the area of the waterplane by __________.
A) 35.0
B) 120.0
C) 240.0
D) 420.0

110)As the displacement of a vessel increases, the detrimental effect of free surface__________.
A) increases
B) decreases
C) remains the same
D) may increase or decrease depending on the fineness of the vessel's form

111)When displacement increases, the free surface corrections for slack tanks__________.
A) increase
B) decrease
C) are directly proportional
D) remain unchanged


112) When displacement increases, the free surface moments of slack tanks __________.
A) increase
B) decrease
C) are inversely proportional
D) remain unchanged
113)A tank 36 ft. by 36 ft. by 6 ft. is filled with water to a depth of 5 ft. If a bulkhead
is placed in the center of the tank running fore-and-aft along the 36-foot axis, how
will the value of the moment of inertia of the free surface be affected?
A) The moment of inertia would remain unchanged.
B) The moment of inertia would be 1/4 its original value.
C) The moment of inertia would be 1/2 the original value.
D) None of the above
114)Many vessels are provided with flume tanks, which also have a dump tank
located under the flume tanks. In the event the ship is damaged, you could dump
the flume tanks into the dump tank which would __________.
A) reduce the free surface effect and raise the KG
B) not have any effect on free surface and raise the KG
C) reduce the free surface effect and lower the KG
D) not have any effect on free surface and lower the KG

115)Which statement about the free surface correction is TRUE?
A) It is added to the uncorrected GM to arrive at the corrected available GM.
B) It is obtained by dividing the free surface moments by 12 times the volume of displacement.
C) It is obtained by dividing the total free surface by the total vertical moments.
D) It is subtracted from the total longitudinal moments before dividing by
displacement to find LCG.

116)Reducing free surfaces has the effect of lowering the __________.
A) uncorrected KG
B) virtual height of the center of gravity
C) metacenter
Ship construction
D) metacentric height

117)Increasing free surfaces has the effect of raising the __________.
A) uncorrected KG
B) virtual height of the center of gravity
C) metacenter
D) metacentric height

118)Subtracting FSCT from KGT yields __________.
A) BL
B) GMT
C) FSCT
D) KG

119)Adding the FSCL to KG yields __________.
A) KM
B) GM
C) KGT
D) KGL

120)The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the __________.
A) volume of liquid in the tank
B) volume of displacement of the vessel
C) location of the tank in the vessel
D) height of the center of gravity of the vessel


1 comment:

  1. Can you please post the answers for these..!
    Thanks in advance

    ReplyDelete

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