單項(xiàng)選擇題The ()is used to measure power.

A.ammeter
B.voltmeter
C.wattmeter
D.frequency meter


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1.單項(xiàng)選擇題If you burned your arm on a bare steam line, the most effective immediate treatment would be to()

A.wrap the arm in a tight bandage
B.soak the arm in hot salt water
C.cover the burn with petroleum jelly
D.put the burn in cold water

3.單項(xiàng)選擇題The company which is defined in the ISM Code means()

A.the owner of the ship
B.the manager who assumes the responsibility for operation of the ship
C.the bareboat charterer
D.All of the above

4.單項(xiàng)選擇題Latent heat changes the ()of water.

A.physical state
B.temperature
C.atmospheric pressure
D.sensible pressure

5.單項(xiàng)選擇題I find ().

A.it is difficult for them to finish the job in time
B.difficult for them to finish the job in time
C.they have much difficulty to finish the job in time
D.that difficult for them to finish the job in time

最新試題

()connectors hold best if a wire is accidentally pulled or a connection becomes loose.

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As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()

題型:?jiǎn)雾?xiàng)選擇題

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.

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“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()

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By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a()

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Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()

題型:?jiǎn)雾?xiàng)選擇題

() is not installed on the main switchboar.

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Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()

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The treatment of the fuel oils involves storage, heating, filtering and()

題型:?jiǎn)雾?xiàng)選擇題

Diesel engine air start system check valves are opened by ()

題型:?jiǎn)雾?xiàng)選擇題