更多"The wooden plug inserted in the ven"的相关试题:
[单项选择]The wooden plug inserted in the vent of a damaged tank of a ship should be removed in case it is decided to（）.
A. pump from the damaged tank
B. fight a fire
C. abandon the rig
D. use the crossover system
[单项选择]A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from（）.
A. filling completely
B. developing free surface
C. developing free surface moment
D. collapsing
[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]Shims of different thicknesses are inserted between the shells to enable adjustment of （）.
A. the bearing clearances
B. the bearing thickness
C. the bearing strength
D. the bridge hardness
[单项选择]The procedure of strengthening damaged structures on a ship by using wood or steel is called（）.
A. bracing
B. battening
C. blocking
D. shoring
[单项选择]An alarm device inserted between the deaerating tank and the expansion tank can notify the on-watching crew that （）
A. the expansion tank is lack of water
B. the expansion tank is over flowing
C. there is something wrong with the cooling system
D. there is something wrong with the engine
[单项选择]The damaged derrick（）now.
A. has repaired
B. is being repaired
C. is repaired
D. will be repaired
[单项选择]Storage batteries should be charged in a well ventilated area because（）.
A. they generate heat
B. they emit hydrogen
C. of the toxic fumes they emit
D. they recharge faster in a well ventilated space
[单项选择]A venetian vent or rice ventilator is used in stowage of which cargo?（）.
A. Bagged cargo
B. Bulk grain
C. Bulk rice
D. Refrigerated goods
[单项选择]Aboard damaged vessels，the MOST important consideration is preserving（）.
A. bilge pumping capacity
B. reserve buoyancy
C. level attitude
D. instability
[单项选择]If plastic film insulation becomes damaged in air conditioning system, （） may form within the film.
A. evaporation
B. condensation
C. liquefies
D. vaporization
[单项选择]Strengthening damaged bulkheads by using wood or steel is called（）.
A. bracing
B. battening
C. blocking
D. shoring
[单项选择]Damaged bulkheads often take a permanent set which is independent of the panting or bulge caused by water pressure. To control this，you should（）.
A. install shoring so the shoring supports the damaged bulkheads without pushing on them
B. install shoring so that it pushes on the damaged bulkhead while supporting it
C. use jacks or chain falls to remove the set before installing shores
D. place sandbags by the bulkhead without installing shores
