海船船员适任证书三管轮模拟试题4(轮机英语)
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Load control on a diesel engine is accomplished by _____.
- A.regulating the speed of the turbocharger
- B.rotating the fuel injector pump plunger
- C.regulating the speed of the fuel oil transfer pump
- D.changing engine timing
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Under normal conditions, the quantity of air circulation becomes less and lessWhat is the reason?
- A.dirty delivery ducts
- B.too much refrigerant
- C.the fouling filters
- D.high temperature outside
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There is a support ring between the cylinder block and collar of the cylinder liner, thus carrying both the liner and the cylinder coverIt also passes to the cooling bores and to the cover.
- A.cooling water
- B.cooling oil
- C.refrigerant
- D.lubricate oil
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The lube oil in the bearings is drawn from a _____, usually located in the bedplate.
- A.tank
- B.sump
- C.vessel
- D.bottle
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An acceptable method of measuring for the correct rotational force applied to the connecting rod and main bearing bolts, is to use a__________.
- A.torque wrench
- B.monkey wrench
- C.pipe wrench
- D.slugging wrench
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When accepting engine room spares, you should .
- A.send a requisition list to the supplier
- B.check that whether the items ordered have been already delivered
- C.make the chief engineer on sport
- D.follow a preset procedure
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D.Cgenerators are classified according to the manner in which .
- A.they are used
- B.the field windings are connected to the load
- C.the armature circuit is connected to the load
- D.the field windings are connected to the armature circuit
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Which of the following would not cause high suction pressure?
- A.insufficient refrigeration
- B.leaky suction valves
- C.expansion valve stuck open
- D.suction valve not adjusted properly
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What’s the advantage of oily water separator that meets the requirement of MEPC 60(33) over MEPC 107(49)?
- A.more economic
- B.larger capacity on oil treatment
- C.less costive
- D.more capable of separating emulsified oil
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The remaining oil/water mixture now flows down into the fine separating compartment and moves slowly between the_____ in the Turbulo separator.
- A.catch plates
- B.swash plates
- C.cover plates
- D.bedplates
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