If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）

A、loss of suction in the circulating pump

B、leak in the primary cooling system

C、broken raw water pump shaft

D、burned or cracked piston in one cylinder

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更多“If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）”相关的问题

第1题

[单选题] The water level showing in a boiler water gauge glass is usually （） during working.

A、higher than the actual drum water level B、equal to the actual drum water level C、increasing due to steam condensation in the glass D、lower than actual drum water level

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第2题

[单选题] An oil water monitor is required in order to measure （）.

A、the oil content in water B、the water content in fuel oil C、the water level in bilge well D、the oil level in bilge well

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第3题

[单选题] An oil in water monitor is required in order to measure （）.

A、the oil content in water B、the water content in fuel oil C、the water level in bilge well D、the oil level in bilge well

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第4题

[单选题] An oil in water monitor is required in order to measure （）

A、the oil content in water B、the water content in fuel oil C、the water level in bilge well D、the oil level in bilge well

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第5题

[单选题] If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.

A、loss of suction in the circulating pump B、leak in the primary cooling system C、broken raw water pump shaft D、burned or cracked piston in one cylinder

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第6题

[单选题] If in doubt as to the true water level when a boiler is being oil-fired, you should （）.

A、take no measures B、extinguish the fire as soon as possible C、feed water to the boiler D、open the blow down valve

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第7题

[单选题] If the sump（）were to rise this would indicate water leakage into the oil an d an investigation into the cause must be made.

A、temperature B、viscosity C、lever D、level

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第8题