更多"Each lifeboat must be lowered and m"的相关试题:
[单项选择]The compressed air is admitted to each cylinder through a cam operated by starting air valve when the piston has just passed its （）.
A. BDC
B. TDC
C. BBDC
D. ATDC
[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
[单项选择]The amount of fuel delivered for each cycle must be in accordance with the engine load, and the same quantity of fuel must be delivered to each cylinder for each power stroke at that load.Which of the following statements describes this requirement?（）
A. Proper timing
B. Accurate metering
C. Suitable injection rate
D. Suitable atomization rate
[单项选择]In this factory each worker must receive a（）training course.
A. two-month
B. twomonths
C. two-months
D. two-months‘
[单项选择]Each life preserver must be readily accessible to the person for whom it is intended while he or she is（）.
A. at work
B. in his or her berthing area
C. BOTH at work and in his or her berthing area
D. None of the above are correct
[单项选择]Each fire hydrant must have at least one spanner and at least one（）.
A. hose rack or reel
B. all purpose nozzle
C. foam applicator
D. pick axe
[单项选择]On a ship，each emergency generator must be tested at least once each（）.
A. week
B. month
C. three months
D. six months
[单项选择]Each commercial fishing vessel must have at least one immersion suit，exposure suit，or life preserver for each（）.
A. person aboard
B. person working on deck
C. crew member
D. None of the above are correct
[单项选择]During the dock repair, each sea valve must be disassembled, cleaned and ground well.Before it reassemble the sealing surface between the valve and the valve seat should be checked by （）
A. chief engineer
B. surveyor
C. the engineer
D. the technique personnel of the shipyard
[单项选择]Each hand portable fire extinguisher must be marked with（）.
A. the name of the vessel on which it is located
B. the date that it was installed
C. the names of the individuals qualified to use it
D. an identification number
[单项选择]Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon（）.
A. cargo pump failure
B. blower failure
C. deck seal low water level
D. low inert gas temperature
[单项选择]On offshore drilling units，each EPIRB or SART must be tested once every（）.
A. day
B. week
C. month
D. year
[单项选择]Each inert gas system must be designed to supply the cargo tanks with a gas，or mixture of gasses，that has an oxygen content by volume of（）.
A. 5% or less
B. 10% or less
C. 15% or less
D. 20% or less
[单项选择]How must each storage tank for helicopter fuel on a ship be marked?（）
A. DANGER - KEEP AWAY
B. DANGER - EXPLOSIVE VAPORS
C. DANGER - NO SMOKING
D. DANGER - FLAMMABLE LIQUID
[单项选择]You must take good care of the drainage cock of the air control systemBecause （） leads scale formed which might malfunction the pilot control valve and other instruments.
A. the temperature
B. the rust
C. the pressure
D. the humidity
[单项选择]Each hose used for transferring vapors must（）.
A. have a design burst pressure of at least 25 psig
B. be capable of withstanding at least 2.0 psi vacuum without collapsing or constricting
C. be electrically continuous with a maximum resistance of ten thousand ohms
D. All of the above
[单项选择]Each fire pump on a ship must have a pressure gauge located at（）.
A. the pump discharge
B. the manifold connection
C. each fire station discharge
D. the pump station
[单项选择]Each fire pump on a tanker must have a pressure gauge located at（）.
A. the pump discharge
B. the manifold connection
C. each fire station discharge
D. the pump station
