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輪機英語船舶動力裝置章節(jié)練習(xí)(2019.05.10)

單項選擇題
In order to inspect both piston and cylinder wall thoroughly, the cylinder cover should be taken off and the piston should be （）.
A.craned out
B.rolled out
C.lifted out
D.turned out
單項選擇題
The starting air system usually has （） to prevent starting if anything is not in order.
A.drain cocks
B.vent valves
C.counteracts
D.interlocks
單項選擇題
After fitting back in place the gear wheels, dont forget （） them.
A.to grease
B.greasing
C.oiling
D.lubricating
單項選擇題
Blow-off of the relief valves of the main cylinders during operation indicates （）.
A.the cylinder cover is cracked
B.the injector holes is clogged
C.the cams are not properly set
D.fuel pump is leaking
單項選擇題
Oil is supplied to the cylinder wall and （） by means of mechanical lubricators.
A.the cylinder cover
B.the piston rings
C.the piston crown
D.the piston skirt
單項選擇題
The four-stroke engine is used for （） and sometimes for main propulsion with a gearbox to provide a propeller speed of between 90 to 120 rev/min.
A.alternator
B.turbo-charger
C.remote controller
D.windlass
單項選擇題
The outside diameter of the pipe is （） the diameter of the bore of the piston rod, the result being that an annular space formed between the piston rod and the pipe.
A.less than
B.greater than
C.equal to
D.twice larger than
單項選擇題
Cracks in cylinder and cylinder covers may （） from unequal heating.
A.make
B.cause
C.result
D.produce
單項選擇題
A dirty diesel engine oil filter element can best be detected by （）.
A.visual inspection of the elements
B.the pressure drop across the filter
C.high lube oil sump temperature
D.decrease in oil viscosity from the filter
單項選擇題
（） is secured by means of side-chock bolts and end-chock bolts.
A.The bedplate
B.The column
C.The main bearing
D.The double bottom

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輪機英語船舶動力裝置章節(jié)練習(xí)(2019.05.10)

In order to inspect both piston and cylinder wall thoroughly, the cylinder cover should be taken off and the piston should be （）.

The starting air system usually has （） to prevent starting if anything is not in order.

After fitting back in place the gear wheels, dont forget （） them.

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

Oil is supplied to the cylinder wall and （） by means of mechanical lubricators.

The four-stroke engine is used for （） and sometimes for main propulsion with a gearbox to provide a propeller speed of between 90 to 120 rev/min.

The outside diameter of the pipe is （） the diameter of the bore of the piston rod, the result being that an annular space formed between the piston rod and the pipe.

Cracks in cylinder and cylinder covers may （） from unequal heating.

A dirty diesel engine oil filter element can best be detected by （）.

（） is secured by means of side-chock bolts and end-chock bolts.