A.inevitable
B.harmful
C.helpful
D.unacceptable
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A.increase in temperature
B.lose its energy partly
C.expand and do work
D.begin to be compressed
A.a modern diesel engine；a turbine wheel
B.a modem diesel engine；exhaust gases
C.a compressor；an exhaust gas turbocharger
D.a compressor；a turbine wheel
A.the supply of normal air and removal of compressed air
B.the supply of fuel oil and combustion of the atomized oil
C.the supply of fresh air and removal of exhaust gases
D.the supply of fresh air and removal of the extra heat
A.the use of a poor quality oil
B.the deterioration of its properties
C.the formation of deposits
D.the reduction in heat transfer ability
A.lubricating
B.cooling
C.cleaning
D.neutralizing
最新試題
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Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
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The ISPS Code consists of a mandatory section-Part A, which shows（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）