單項選擇題The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to()

A.stays at rest
B.is working stably
C.is worn out
D.is in good operation


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1.單項選擇題Before starting an engine by air, the engine must()

A.be turned by a turning gear for at least one minute
B.be turned by a turning gear for at least two minutes
C.be turned at least one complete turn
D.be turned at least two complete turns

2.單項選擇題The oil pressure and flow from each bearings can be checked when()

A.the lubricating pumps are stopped and the access doors are opened
B.the lubricating pumps are running and the access doors are opened
C.the engine is running and the access doors are closed
D.the engine is stopped and the access doors are closed

3.單項選擇題When preparing an engine for water temperature()

A.should be kept at a proper level by a cooler
B.should be raised to about 80℃ by a heater
C.should be raised gradually
D.should be lowered to about 60℃

5.單項選擇題The monitoring function may serve all of the following purposes except()

A.instigating corrective action
B.indicating values of controlled variables
C.warning of off-limit conditions
D.providing record of performance

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The main purpose of port State control is not to()

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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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Using a file without a handle may result in ()

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During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.

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

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

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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

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