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单选题
If the bedplate was too rigid, then as the hull flexed, the （）, which secure the engine into the ship would be likely to break, and there would be a danger of the bedplate cracking.
A
through bolts
B
jack bolts
C
holding down bolts
D
tap bolts
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Deck beams perform ______ of the following functions in the hull structure of a vessel．① They transfer deck loads to the frames；② They help to maintain the shape of the hull．A.① onlyB.② onlyC.Both ① and ②D.Neither ① nor ②
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船体被甲板和舱壁分隔。（）A、The hull is divided by decks and bulwarks.B、The hull is divided by decks and bulkheads.C、The hull is divided by engine room and bulkheads.D、The hull is divided by decks and holds.
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船体被划分为一系列水密隔舱。（）A、The hull is divided into a number of watertight compartments.B、The hull is divided into a number of gastight compartments.C、The hull is divided into a number of water compartments.D、The hull is divided into a number of tight compartments.
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船舶由船体和上层建筑组成。（）A、A vessel is made up of the hull and the superstructure.B、A vessel is made up of the hull and the bridge.C、A vessel is made up of the hull and the forecastle.
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单选题“Stand by an engine” means （）A
“prepare to stop the engine”B
“assemble an engine on its bedplate”C
“make an engine ready for starting”D
“dismantle an engine”
考题
单选题The control mode in which the final control element is moved from one of two flexed positions to the other is known as （）.A
dead band actionB
neutral zone actionC
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单选题船体被甲板和舱壁分隔。（）A
The hull is divided by decks and bulwarks.B
The hull is divided by decks and bulkheads.C
The hull is divided by engine room and bulkheads.D
The hull is divided by decks and holds.
考题
单选题船舶由船体和上层建筑组成。（）A
A vessel is made up of the hull and the superstructure.B
A vessel is made up of the hull and the bridge.C
A vessel is made up of the hull and the forecastle.
考题
单选题Basically the bedplate consists of two （）, which run the length of the engine.A
longitudinal girdersB
transverse girdersC
fore girdersD
aft girders
考题
单选题The main function of tie rods in the construction of large, low speed diesel engines is to（）.A
stiffen the bedplate in way of the main bearings to increase the engines longitudinal strengthB
accept most of the tensile loading that results from the firing forces developed during operationC
mount the engine frame securely to the hull to prevent shaft coupling misalignmentD
connect the crosshead solidly to the piston rod
考题
单选题To prevent a wooden hull from leaking you caulk it（）.A
after drydocking，while the hull is moistB
after drydocking，and the hull has driedC
afloat，where it is leakingD
afloat，in all accessible areas
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单选题For a main diesel engine the lube oil in the bearings is drawn from （）, usually located in the bedplate.A
a gravity tankB
a sumpC
a vesselD
a bottle
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单选题The bedplate must be rigid enough to support the weight of the rest of the engine, and maintain the crankshaft, which sits in the bearing housings in the （）, in alignment.A
longitudinal girdersB
transverse girdersC
fore girdersD
aft girders
考题
单选题While in drydock your vessel will be belt-gauged.This process involves（）.A
measuring the thickness of the tail shaft linerB
taking the vessel's offsets to check for hull deformationC
testing and examining the anchor cables for defective linksD
drilling or sonic-testing the hull to determine the plate thickness
考题
单选题The complete assembly of bedplate, A-frames and cylinder block is held together by （） to form a rigid structure.A
tap-boltsB
jack-boltsC
tie rodsD
fitted rods
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单选题When a vessel is in dry-dock, the vessel’s engineers should （）.A
examine the condition of the propellerB
chip and paint all hull protection zincsC
install new docking plugs in all cofferdamsD
inspect the hull for hogging or sagging
考题
单选题船体被划分为一系列水密隔舱。（）A
The hull is divided into a number of watertight compartments.B
The hull is divided into a number of gastight compartments.C
The hull is divided into a number of water compartments.D
The hull is divided into a number of tight compartments.
考题
单选题The lube oil in the bearings is drawn from a （）, usually located in the bedplate.A
tankB
sumpC
vesselD
bottle
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