更多"An excessive amount of water is pre"的相关试题:
[单项选择]The oil （） in the discharging water from oil water separator exceeds 15 PPM without alarm, because the coil was burnt out.
A. filter
B. hole
C. pollution
D. content
[单项选择]（） is the production of pure water from sea water by evaporation and re-condensing.
A. Evaporation
B. Circulation
C. Condensation
D. Distillation
[单项选择]We use （） to distill fresh water from sea water.
A. engine
B. sea water pump
C. cylinder cooler
D. fresh water generator
[单项选择]Distilled water from an evaporator may be discharged into a potable water tank （）.
A. through a detachable hose connection
B. after passing through an activated charcoal filter
C. after chemical analysis shows it is fit for consumption
D. through a solenoid operated three-way valve
[单项选择]Where is the cooling water from the compensating tank in the cooling water system of main engine lead to?（）
A. discharge side of the centrifugal pump
B. suction side of the centrifugal pump
C. the lowest point of the cooling water system
D. inlet of the main engine
[单项选择]The valve that prevents water from backing out of the boiler into the feed line is the（）.
A. bottom-blow valve
B. skin valve
C. feed-check valve
D. feed-stop valve
[单项选择]The most effective method in removing water from diesel fuel oil is by（）
A. centrifuging the fuel
B. using it in the engine
C. heating the fuel tanks
D. starting the fuel
[单项选择]The separation of impurities and water from （） is essential for good combustion of diesel engines.
A. lube oil
B. fuel oil
C. turbine oil
D. grease
[单项选择]When a tornado moves over the water from land it is called a（）.
A. Tornado
B. Waterspout
C. Hurricane
D. Cyclone
[单项选择]The reciprocating pump can’t draw water from a tank may be caused by （）.
A. leaky pipe
B. opened inlet valve
C. too much water in tank
D. None of the above
[单项选择]To（）sanitary water from any vessel，an application shall be made to Harbor Authorities for approval.
A. discharge
B. recircle
C. load
D. take in
[单项选择]（）reters to be amount of water vapour in the air.
A. Humidity
B. Temperature
C. Precipitation
D. Wind
[单项选择]When（）clean ballast water from any vessel，an application shall be made to Harbor Authorities for approval.
A. discharging
B. recircling
C. loading
D. taking in
[单项选择]In view of（）bilge water from any vessel，an application shall be made to Harbor Authorities for approval．
A. discharging
B. recircling
C. loading
D. taking in
[单项选择]The amount of chloride content in the water of an auxiliary boiler can be reduced by（）
A. adding hydrazine
B. blowing down the boiler
C. adding phenolphthalein
D. adding a sulfite chloride scavenger
[单项选择]（）shall the amount of compensation from PICC exceed the insured amount of the insured ship.
A. In any case
B. In case
C. In no case
D. In case of
[单项选择]Water enters the rotating impeller through the entry, known as “（）”, at the centre.
A. eye
B. hole
C. balance holes
D. opening
[单项选择]When the water produced from most evaporator is supplied for drinking purpose, it must be treated to ensure it is biologically pure and （）.
A. slightly acidic
B. slightly alkaline
C. no salty
D. slightly bitter
