更多"You are unable to pump out the aft "的相关试题:
[单项选择]You are unable to pump out the aft starboard engine room bilge well that is fouled, with one foot of water over the top of the bilge well, what actionshould be carried out?（）
A. Send the wiper into the well with only a scoop and pail
B. Remove the bilge manifold valve and attempt to back flush the line
C. Simultaneously operate all available bilge pumps
D. It is only necessary to transfer half the contents of a drum of degreaser into the bilge well
[单项选择]Permission is requested to pump out about 200 tons of clean sea ballast water for （） purposes．
A. safe manning
B. trimming
C. avoiding collision
D. preventing pollution
[单项选择]To thoroughly pump out the bilges using a horizontally mounted centrifugal pump, the （）.
A. pump must always be primed
B. volute must impart a radial and rotary motion of the water suction side
C. connection must guide the liquid to the lantern rings
D. stuffing box should not be allowed any water leakage
[单项选择]The master got permission to pump out 500 tons of clean sea water for （）.
A. the purpose of trimming
B. the approval for ballast
C. the purpose of voyage
D. the approval for operation
[单项选择]Pump out No.2 port ballast tank to（）.
A. keep vessel afloating
B. refloat vessel listing to starboard
C. make vessel all-right
D. bring vessel upright
[简答题]简述H-pump stroke time out报警信息的含义及处理方法。
[单项选择]On what type of pump would you find an impeller?（）
A. Centrifugal
B. Gear
C. Piston
D. Vane
[单项选择]Prior to entering a cargo pump room, you should ensure that （）.
A. the forced ventilating system is operating
B. the cargo pumps are secured
C. no monocarbon gases are present
D. the oily water separator is de-energized
[单项选择]No matter how old you are, when you go out into the world, it（）to hold hands and stick together.
A. would better
B. had better
C. be better
D. is better
[单项选择]When you go out into the world, watch for traffic, hold hands and（）together.
A. stick
B. stuck
C. strike
D. struck
[单项选择]Please leave the key under the door（）you go out.
A. in case
B. in the case
C. in case of
D. in the case of
[单项选择]When comparing different fuels for different engines, the ignition quality of diesel fuel oils becomes a less critical consideration as （）
A. the amount of lube oil additives increase
B. piston speeds increase
C. injection pressure decrease
D. engine speeds decrease
[单项选择]Critical speed in diesel engines occurs when engine torque pulsations become （）
A. opposed to the crankshaft rocking couple
B. resonant with the crankshaft natural frequency
C. critical fore and aft crankshaft vibrations
D. horizontal whipping motions of the crankshaft
[单项选择]Increasing the compression ratio of a diesel engine while maintaining the designed rate of fuel flow will result in （）
A. increased horsepower
B. reduced efficiency
C. increased heat loss
D. lower cylinder pressures
[单项选择]The exhaust system for a turbocharged diesel engine functions to （）
A. power the after-coolers
B. power the turbocharger
C. reduce the cylinder scavenge effect
D. cool the turbocharger
[单项选择]As per the standing orders，you should carry out all the following operations except（）upon having received words that a person has fallen overboard.
A. call the Master immediately
B. stop the engines
C. sound the “Man Overboard” signal of 3 prolonged blasts on the whistle and 3 prolonged blasts on the general alarm
D. prepare，as many as possible，rescue facilities，including warm clothes
[单项选择]The diesel engine is similar to the gasoline engine in that （）.
A. both of them are ignited by compressed air
B. both of them are the forms of external combustion engines
C. both of them have spark plugs
D. the power is developed by the piston in the cylinder
[单项选择]When transmitted by a reduction gear, diesel engine speed is reduced and the torque available for work （）
A. remains the same
B. is reduced
C. is increased
D. is eliminated
