搜题

【单选题】

If a gasoline engine turns over freely but will not start，the cause is generally（）.

A、a defective ignition system

B、low lube oil level

C、weak valve springs

D、too heavy a load

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更多“If a gasoline engine turns over freely but will not start，the cause is generally（）.”相关的问题

第1题

[单选题] （）, so they are widely used on board ship nowadays.

A、Diesel engines have more advantages in comparison with gasoline engines B、Diesel engines have more advantages in comparison to gasoline engines C、Gasoline engines have more advantages in comparison with diesel engines D、Gasoline engines have more advantages in comparison to diesel engines

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第2题

[] The shut off valve at the gasoline tank which can be operated from outside the tank space （）.

A、A.controls the amount of gasoline to the engine B、B.shuts off the gasoline supply at the tank C、C.is used if the gasoline tank leaks D、D.All of the above

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第3题

[单选题] According to the relevant regulation, lifeboat should be powered by（）.

A、inboard diesel engine B、outboard diesel engine C、outboard gasoline engine D、inboard gasoline engine

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第4题

[单选题] （）are increasingly used as main engine on merchant vessels, because they have a high Hp/Weight ratio.

A、Slow speed diesel engines B、Medium-speed diesel engines C、Steam engines D、Gasoline engines

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第5题

[单选题] Propulsion of the vast majority of contemporary merchant ships (especially containerships and VLCCs) utilizes（） as prime mover.

A、gas turbine B、diesel engine C、steam engine D、gasoline engine

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第6题

[单选题] Vessels required to be equipped with an approved backfire flame arrester are（）.

A、those with diesel engines B、all those with gasoline engines C、those with large engines only D、None of the above

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第7题

[单选题] A diesel engine is similar to a gasoline engine except that the former has no （）.

A、cross-head B、cylinder C、connecting rod D、spark plug

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第8题

[单选题] Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.

A、the gasoline tank is full B、the bilges，cabins，etc. are thoroughly ventilated C、you have fresh water on board D、Each of the above is followed

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第9题

[单选题] A diesel engine burns （） a gasoline engine of the same capacity in the same period of time.

A、as much fuel as B、less fuel than C、less fuel as D、more fuel than

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