A.pressure
B.temperature
C.volume
D.specific gravity
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A."vacuum"
B."the excess of pressure above atmosphere"
C."figure on a gauge"
D.Any of the above
A.flowmeter
B.viscometer
C.micrometer
D.feeler
A.reduce electrolytic action on heat exchanger metals
B.keep heat transfer surfaces shiny and clean
C.prevent rapid accumulation of marine growth
D.provide a protective coating on heat exchanger surfaces
A.pure resistance
B.capacitive
C.inductive
D.None of the above
A.increased
B.reduced
C.unchanged
D.None of the above
最新試題
The main purpose of port State control is not to（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）