更多"The bedplate must be rigid enough t"的相关试题:
[单项选择]The bedplate must be flexible enough to hog and sag with the foundation plate （） it is attached and which forms part of the ship’s structure.
A. in which
B. on which
C. to which
D. by which
[单项选择]A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.
A. a low velocity spray applicator
B. a water spray or solid stream
C. at least two spray patterns of water
D. at least 25 psi delivered pressure
[单项选择]A vessel showing a rigid replica of the International Code flag A is engaged in（）.
A. diving operations
B. dredging
C. fishing
D. mineclearance operations
[单项选择]Smaller engines can be made more rigid than large ones and may not have （）.
A. connecting rods
B. crankshaft
C. crankcase
D. through bolts
[单项选择]A rigid lifesaving device only designed for survivors to hold on to while in the water is a（）.
A. liferaft
B. life float
C. life preserver
D. buoyant apparatus
[单项选择]A rigid lifesaving device designed to support survivors in the water is a（）.
A. rigid liferaft
B. life float
C. inflatable liferaft
D. survival capsule
[单项选择]All lifeboats，rescue boats，and rigid-type liferafts shall be stripped，cleaned，and thoroughly overhauled at least once every（）.
A. 6 months
B. year
C. 18 months
D. two years
[单项选择]A rigid replica of the International Code flag “A” may be shown by a vessel （）.
A. pulling a submarine cable
B. engaged in diving operations
C. engaged in underway replenishment
D. transferring explosives
[单项选择]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
[单项选择]On a rigid liferaft (SOLAS B pack) which is equipped with all of the required equipment you may NOT find a（）.
A. bailer
B. sponge
C. whistle
D. fishing kit
[单项选择]On a rigid liferaft which is equipped with all of the required equipment you may NOT find a（）.
A. boathook
B. fishing kit
C. lifeline or grab rail
D. sea painter
[单项选择]A rigid replica of the International Code flag A may be shown by a vessel（）.
A. pulling a submarine cable
B. engaged in diving operations
C. engaged in underway replenishment
D. transferring explosives
[单项选择]In order to culture and propagate enough bacteria to treat the body and galley wastes（）
A. a new bacteria colony should be put into the plant in advance
B. the disinfection chemicals should be always used
C. the air blower should be started and keep running in advance
D. the nutrient for bacteria should put into plant in advance
[单项选择]Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations，vessels and aircraft? （）
A. Vessel's type
B. Vessel's course
C. Navigational status
D. All of the above
[单项选择]Your ship must（）.
A. Reduce speed
B. Increase speed
C. Change speed
D. Stop engine
[单项选择]Each OSV must carry（）.
A. one category I 406 Mhz satellite EPIRB
B. at least one life buoy on each side of the vessel fitted with a buoyant life line
C. at least 12 rocket parachute flares
D. All of the above
