更多"Compared to internal structural pla"的相关试题:
[单项选择]Compared to internal structural plating，the exterior hull plating on a vessel is usually（）.
A. stronger
B. thinner
C. more corrosion resistant
D. a lower grade steel
[单项选择]Vertical structural members attached to the floors that add strength to the floors are called（）.
A. boss plates
B. buckler plates
C. stiffeners
D. breast hooks
[判断题]监控员进行交接班操作时，新操作员点击交接班按钮，输入代码、口令，按EXTER键确认。
[单项选择]The athwartship hull structural members of a ship are（）.
A. stringers
B. girders
C. breasthooks
D. deck beams
[单项选择]（）is not a longitudinal structural member.
A. sideshell
B. bottom shell plating
C. inner bottom plating
D. transverse bulkhead
[单项选择]The structural members of the hull extending in a fore and aft direction are called （）.
A. frames
B. joiners
C. longitudinals
D. knees
[单项选择]The central longitudinal structural hull strength member of the lower hulls of semisubmersible ship’s is called the（）.
A. stress plate
B. keel
C. rider plate
D. main beam
[单项选择]Structural traps are traps（）are formed because of a deformation in the rock layer （）contains the hydrocarbons.
A. that, that
B. what,what
C. what,that
D. that,what
[单项选择]Structural stress levels in a ship are the sum of loading stresses and stresses due to（）.
A. environmental loads
B. variable loads
C. ballast loading
D. mooring loads
[单项选择]Structural bulkheads on a ship are usually（）.
A. continuous
B. watertight
C. transverse
D. non-watertight
[单项选择]With reference to a vessel’s structural integrity, the most significant characteristic of a cryogenic liquid is its （）.
A. capability of causing brittle fractures
B. highly corrosive action on mild steel
C. vapor cloud which reacts violently with saltwater
D. toxicity at atmospheric pressure
[单项选择]Internal combustion engine crankcase vent outlets must be equipped with （）
A. hinged rain guards
B. corrosion resistant flame screens
C. dipsticks for measuring oil levels
D. crankcase ventilation fans
[单项选择]Structural stress on a ship can be reduced by（）.
A. lessening the effect of environmental forces
B. even and symmetrical variable loading
C. local concentration of heavy consumables
D. increasing the metacentric height
[单项选择]Compared to the amount of concentrated foam liquid used，the amount of low expansion mechanical foam produced is（）.
A. 97 times greater
B. 94 times greater
C. 10 times greater
D. 2 times greater
[单项选择]External and internal leakage in hydraulic systems may be caused by （）.
A. unusual vibration
B. excessive worn parts
C. abnormal pressure
D. any of the above
[单项选择]Compared to a constant pitch propeller, a controllable pitch propeller（）.
A. more efficiently uses available engine power
B. operates at a lower efficiency at a fixed speed
C. produces the same torque at lower engine power
D. develops its rated power at a lower speed
[单项选择]A supercharged diesel engine when compared to a similar naturally aspirated diesel engine, will develop an increase in （）
A. ignition lag
B. engine horsepower
C. lube oil system pressure
D. specific fuel consumption
