When the follower is on the base circl...

单项选择题When the follower is on the base circle of the cam, the pump plunger is at the （） of its stroke.

A.top
B.middle
C.bottom
D.any of the above

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1.单项选择题When a crankshaft has to be handled outside the engine, it should be carefully supported in a manner which will avoid （） high bending moments on it.

A.compressing
B.interposing
C.imposing
D.pounding

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2.单项选择题When a crankshaft （） outside the engine, it should be carefully supported in a manner which will avoid imposing high bending moments on it.

A.has to be handled
B.may be handled
C.has being handled
D.will be handling

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3.单项选择题Vents are led from the engine to the head tank for the release of （） from the cooling water.

A.air
B.heat
C.sludge
D.steam

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4.单项选择题Vents are led from the engine to head tank （） from the cooling water.

A.for the release of air
B.for the release of water
C.in order to the release of air
D.because the release of air

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5.单项选择题Vee-type engines have the connecting rods from two cylinders connected to each （） of the crankshaft.

A.throw
B.web
C.main bearing
D.deflection

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6.单项选择题Valve overlap is the period during which （）.

A.the inlet valve is open
B.the exhaust valve is open
C.both valves are closed
D.both valves are open

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7.单项选择题Valve gear knocks are more easily located while the engine （）.

A.is running
B.stops
C.is repaired
D.lacks of oil

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8.单项选择题VIT means （）

A.variable injection timing
B.variable inlet tonnage
C.vertical incoming tonnage
D.vertical inlet tank

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9.单项选择题Under manoeuvring condition the main engine may run on （）.

A.gas oil
B.marine diesel oil
C.residue oil
D.crude oil

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10.单项选择题Two-stroke engine turbocharging is achieved by two distinct methods, （） termed the constant pressure and the pulse system.

A.respectable
B.respectful
C.respective
D.respectively

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