海船船员考试轮机部三管轮模拟题9(轮机英语)
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Electric insulation is made of organic substances and so gradually _____ with age.
- A.deteriorates
- B.increases
- C.are fouled
- D.becomes better
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The oil discharge monitoring system in the oil tanker vessels is used for detecting the amount of oil discharged overboard to ensure that it does not exceed .
- A.15 liters/ nautical mile
- B.30 liters/ nautical mile
- C.60 liters/ nautical mile
- D.100 liters/ nautical mile
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If you were inspecting the valve springs on an auxiliary diesel engine, your best indication of impending spring failure would be ________.
- A.a glazed surface on the spring
- B.nicks in the protective coating
- C.a build up of sludge deposits
- D.cracks in the surface of the spring
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Which of the following item is the cause to the damage of parts and excess wearing?
- A.overload
- B.the odds of the load
- C.the default of parts
- D.overload and the odds of the load
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Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?
- A.The agent is considered nontoxic at room temperature in low concentrations
- B.The agent is less effective than carbon dioxide
- C.Halon primarily extinguishes the fire by cooling
- D.The agent cannot be used on electrical fires because it leaves a residue
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The above-mentioned damage has caused from improper fitting so that we ______ you _____ for making compensation.
- A.hold/responsibility
- B.ask/responsibility
- C.hold/responsible
- D.require/responsible
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The shaft and spare parts _____ should be well greased in order to avoid corrosion.
- A.in the store room
- B.in the cylinder
- C.in the scavenge air box
- D.in the water box
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High exhaust temperatures from all of cylinder of a turbocharged, four-stroke/cycle diesel engine can be caused by an____.
- A.inoperative turbocharger
- B.inadequate fuel supply
- C.overload on one cylinder
- D.unequal load distribution
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As engine RPM is increased from idle speed to full load speed, which of the conditions listed will decrease?
- A.Compression ratio
- B.Fuel/Air ratio
- C.Compression pressure
- D.Lube oil pressure
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For a diesel engine, when the piston is at the _____, the clearance volume is the largest.
- A.TDC
- B.DTC
- C.BDC
- D.DBC
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