更多"Which method should be used to warm"的相关试题:
[单项选择]Which method should be used to secure a manila line to bitts（）.
A. A round turn on the bitt farthest from the strain and then figure eights
B. A round turn on the bitt closest to the strain and then figure eights
C. Figure eights and then a round turn at the top of both bitts
D. Only figure eights are necessary on both bitts
[单项选择]Pump up the starting air reservoirs to their maximum pressure and （）the air reservoirs and air system.
A. open
B. close
C. drain
D. vent
[单项选择]In the process of the stand-by, warm-up the engine usually through give preheat of which parts of the diesel engine?（）
A. cooling water of the cooling system
B. fuel of the FO system
C. LO of the LO system
D. cooling water of the cooling system and LO of the LO system
[单项选择]Which pump is the self-priming pump?（）
A. turbine
B. centrifugal
C. ejector
D. mixed flow
[单项选择]The （）pump is usually used as the bilge feed pump to an oily water separator.
A. turbine
B. screw
C. vane
D. ejector
[单项选择]A device used to tighten up remaining slack in wire rope when you are making up to a tow in inland waters is a（）.
A. tripping line
B. tripping bracket
C. norman pin
D. steamboat ratchet
[单项选择]Which pump installation would require an external source of sealing water?（）
A. Main circulator pump jacket water cooling
B. Salt water service pump
C. Auxiliary condensate pump
D. Bilge pump
[单项选择]A twin screw craft being used to pick up a person who has fallen overboard from a vessel should approach if you（）.
A. reverse port engine, apply right rudder
B. reverse port engine,rudder amidships
C. reverse starboard engine, apply right rudder
D. revers starboard engine, rudder amidships
[单项选择]Which of the following centrifugal pump components converts the liquid kinetic energy of velocity to the potential energy of pressure?（）
A. Impeller
B. Electric motor
C. Volute
D. Eye
[单项选择]A survival craft being used to pick up a person who has fallen overboard from a ship should approach the person（）.
A. at a high rate of speed
B. under oars
C. against the wind
D. with the wind
[单项选择]The cold ocean current which meets the warm Gulf Stream between latitudes 40°and 43°N to form the cold wall is called the（）.
A. North Cape Current
B. Labrador Current
C. Greenland Current
D. North Atlantic Current
[单项选择]Little Tom is used to getting up（）eight every morning.
A. at
B. on
C. in
D. of
[单项选择]（）is used for heaving up and slacking away the anchor and chain.
A. A winch
B. A windlass
C. A deck crane
D. A lifeboat engine
[单项选择]The is employed to warm up a large diesel engine before its starting（）
A. hot air
B. hot boiler water
C. cylinder water
D. hot seawater
[单项选择]How should you warm up a diesel engine that has not been run for some time? （）
A. Run it at minimum speed for a period of time
B. Run it at half speed for a period of time
C. Bring it to top speed immediately
D. Inject ether into the air intake
[单项选择]Which features of a centrifugal pump reduce the need for renewing worn impellers and pump casings?（）
A. Close radial clearance between impeller hub and casing
B. Low rotational speed of impeller
C. Removable end plate
D. Replaceable impeller and casing wearing rings
