Blow-off of the relief valves of the main cylinders during operation indicates （）.

A、A.the cylinder cover is cracked

B、B.the injector holes is clogged

C、C.the cams are not properly set

D、D.fuel pump is leaking

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更多“Blow-off of the relief valves of the main cylinders during operation indicates （）.”相关的问题

第1题

[单选题] Blow-off of the relief valves of the engines cylinders may be caused by （）.

A、too low lead B、water in fuel C、too tight spring D、leakage

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第2题

[单选题] If the insufficiency of the packing was apparent on reasonable inspection，the Shipowner cannot（）the exception of insufficiency of packing.

A、rely in B、rely upon C、rely with D、rely to

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第3题

[单选题] The plan has set off（） controversy.

A、a storm of B、a stone of C、a rock of D、a blow of

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第4题

[单选题] A diesel engine fails to start because of water in the fuelIn order to start the engine, you should （）?

A、turn engine with jacking gear B、drain filters and strainers and bleed off water at each injection pump C、use ether to start the engine with blow-down valves open D、blow through the cylinders and fuel lines with a drying agent

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第5题

[单选题] Which statement is true about a NAT rule action of off?（）

A、The NAT action of off is only supported for destination NAT rule-sets. B、The NAT action of off is only supported for source NAT rule-sets. C、The NAT action of off is useful for detailed control of NAT. D、The NAT action of off is useful for disabling NAT when a pool is exhausted

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第6题

[单选题] The hot expanding gas rotates the blades of the exhaust turbine, thus （） a large of its power, （） drives the compressor.

A、to give off；which B、giving off；which C、to give off；that D、giving off；that

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第7题

[单选题] Which of the following should be the FIRST step in removing a generator from parallel operation?（）

A、Trip the generator off the switchboard B、Turn off all electrical equipment C、Remove the load from the "off going" generator D、Increase the cycles of the generator staying on the line