题目内容

The fuel pump is actuated by means of a cam fitted to the( )

A. camshaft
B. crankshaft
C. tail shaft
D. intermediate shaft

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In most installations, oil leaves the purifiers under sufficient head to reach the( )

A. service tank
B. settling tank
C. mixing tank
D. pressure tank

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In the most up-to-date common rail diesel engine, the fuel is first stored in the fuel line andthen, when a signal is given by the engine control to( ) injected into the cylinders.

A. the pilot air valve
B. the magnetic valves
C. the safety valve
D. the cylinder valve

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Most large, low-speed, main propulsion diesel engines use duplex lube oil strainer to( )

A. decrease the time required between cleanings
B. remove all large and small foreign objects
C. ensure a positive flow of oil at all times
D. ensure that all lube oil has been treated twice

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The four-stroke cycle is so called because it takes to complete the processes needed to( )convert the energy in the fuel into work.

A. two strokes of the piston
B. four strokes of the piston
C. one revolution of the crankshaft
D. four revolutions of the crankshafts

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The fuel pump is actuated by means of a cam fitted to the( )

A. camshaft B. crankshaft C. tail shaft D. intermediate shaft

In most installations, oil leaves the purifiers under sufficient head to reach the( )

In the most up-to-date common rail diesel engine, the fuel is first stored in the fuel line andthen, when a signal is given by the engine control to( ) injected into the cylinders.

Most large, low-speed, main propulsion diesel engines use duplex lube oil strainer to( )

The four-stroke cycle is so called because it takes to complete the processes needed to( )convert the energy in the fuel into work.

A. camshaft
B. crankshaft
C. tail shaft
D. intermediate shaft