乐山师范学院汽车专业英语 - 自考题库

出自:乐山师范学院汽车专业英语

1、 What percentage of engine heat is dissipated through the cooling, lubricating, and fuel systems? A. Between 10% to 15% B. Between 20% to 25% C. Between 30% to 35% D. Between 40% to 45%

2、 As the crankshaft nears the end of its second complete revolution,the piston again approaches the ______ position. A. BDC B. TDC C. BBDC D. ATDC

3、 What device is used to reduce the acoustic pressure of exhaust gases and discharge the gases into the atmosphere? A. Resonator B. Catalytic converter C. Muffler D. Exhaust manifold

4、 Coolant in a liquid-cooled system flows directly from the water pump to the ______. A. bottom of the radiator B. water jackets and passage C. cylinder head D. top of the radiator

5、 Which component in the ignition circuit provides high voltage in the secondary circuit? A. Ignition distributor B. Ballast resistor C. Battery D. Ignition coil

1、 Classified by the ways of cooling: the internal combustion engine can be divided into ( ) and ( ) based on the ways of cooling.

2、 There are four strokes in four-stroke engine, they are ( ),( ),( ) and( ).

3、 Most automotive ignition switches incorporate four positions, they are off, ( ), ignition( ON ) and start.

4、 A car or automobile is composed of four sections, it is( ),( ),( ), and ( ).

5、 The running gear of automobile is composed of ( ), ( ), ( )and ( ).

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