题目内容（请给出正确答案）

[主观题]

Before starting any diesel or gasoline engine, which of the following must be checked？____

.

A.Oil level

B.Flow of cooling water

C.Exhaust discharge

D.All of the above

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更多“Before starting any diesel or …”相关的问题

第1题

A diesel engine is similar to a gasoline engine except that the former has no _____.A.cros

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2题

Diesel engine electric starting motors generally require heavier duty motors and motors an

d operate at higher voltages than comparable starting motors for gasoline engines due to _____________.

A.higher speed required

B.flywheel-effect

C.lower starting temperatures

D.higher compression pressures

点击查看答案

第3题

The diesel engine is similar to the gasoline engine in that______.A.both of them are ignit

The diesel engine is similar to the gasoline engine in that______.

A.both of them are ignited by compressed air

B.both of them are the forms of external combustion engines

C.both of them have spark plugs

D.the power is developed by the piston in the cylinder

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第4题

If you are unable to stop a diesel engine by any other means，you should ______．A.Discharge

If you are unable to stop a diesel engine by any other means，you should ______．

A.Discharge a CO2 extinguisher in the air inlet

B.Pull off the distributor cap

C.Secure the jacket water

D.Secure the starting air supply valve

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第5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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