汽车驾驶员中级工考试题（The driver of the car Gongkao intermediate test）.docVIP

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汽车驾驶员中级工考试题（The driver of the car Gongkao intermediate test）.doc

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汽车驾驶员中级工考试题（The driver of the car Gongkao intermediate test）

汽车驾驶员中级工考试题（The driver of the car Gongkao intermediate test） Intermediate driver simulation test paper First, individual choice 1. the product of the effective torque of the engine and the angular speed of the crankshaft is called (). A, indicating power B, effective power C, maximum power 2., the most commonly used crankshaft torsional vibration absorber in some automotive engines is (). A, hydraulic B, friction type C, composite type 3. engine valve with top mounted valve mechanism is installed on (). A, top B of cylinder head, lower part of cylinder head C, cylinder head side 4., the size of the engine in the four angles, () the size of the engine has the biggest impact on the performance of inflatable. A, intake advance angle B, intake lag angle C and exhaust advance angle 5. the excess air-fuel coefficient of a gasoline engine in the range of 1.05-1.15 is called (). A, over lean mixture, B, concentrated mixture, C, and mixed gas 6. when the gasoline engine is in idle condition, the excess air coefficient a is (). A, 0.6-0.8, B, 0.9-1.1, C, 0.8-0.9 7. the working condition of the main oil supply device of the carburetor is (). A, except for idle working conditions B, except for starting and idling C, work under different conditions 8. carburetor engine in combustion process, if () is too long, will cause the diesel engine work rough. A, late ignition, B, afterburning, C and delayed combustion 9. in diesel engines, the optimum injection advance angle is (). A varies with the speed and the amount of fuel supplied B is fixed C increases with the increase of engine rated power 10. diesel engine combustion chamber uses a variety of shapes, mainly in control (). A, combustion chamber heat dissipation area B, proper swirl and oil film C, a certain compression ratio The failure of the high speed injector on the fuel injection pump of the 11. diesel engine will cause (). A, speed B, only medium speed C, only low speed 12. one of the conditions for diagnosing cylinder pre