A.greater
B.smaller
C.better
D.worse
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A.hydraulic head
B.static head
C.heat energy
D.steam
A.a liquid
B.a pressure
C.a temperature
D.none of the above
A.a priming device
B.a discharge branch
C.a filter
D.a suction valve
A.pump
B.engine
C.turbine
D.boiler
A.lubricating oil
B.lubricating oil systems
C.strainers
D.cartridges
最新試題
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
The ISPS Code consists of a mandatory section-Part A, which shows（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
The treatment of the fuel oils involves storage, heating, filtering and（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
The main purpose of port State control is not to（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.