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一、单项选择题(共 10 道试题,共 40 分。)
1. With front drive arrangement or rear-wheel-drive arrangement, ______ transmit the power to the drive wheels.
A. piston engine
B. gears
C. gears and shafts
D. diesel engine
满分:4 分
2. A spark ignition engine has one more basic system than Diesel engine to run, it is______,
A. fuel system
B. ignition system
C. lubricating system
D. cooling system
满分:4 分
3. The connecting rod is made of ______.
A. cast iron
B. forged alloy steel
C. aluminum-alloy
D. sheet steel
满分:4 分
4. The ______ system is used to reduce the air pollution caused by the engine.
A. lubricating
B. emission control
C. starting
D. ignition
满分:4 分
5. During the power stroke, a force of up to 4000 pounds is suddenly applied to the piston head for ______ times a second.
A. 30
B. 40
C. 70
D. 30 to 40
满分:4 分
6. The ______ system is applied to prevent metal parts of the engine from rubbing against each other.
A. emission control
B. cooling
C. starting
D. lubricating
满分:4 分
7.
An automobile includes the following major categories: the body, the engine, _____ and the electrical system.
A. steering system
B. power source
C. chassis
D. ignition system
满分:4 分
8. After the fuel system delivers air-fuel mixture to a cylinder, a (an) ______ ignites the mixture.
A. electric spark
B. battery
C. spark plug
D. ignition system
满分:4 分
9. In a four-stroke cycle, which one is actually doing work?
A. intake stroke
B. compression stroke
C. power stroke
D. exhaust stroke
满分:4 分
10. ______ is used to separate drive from the engine to gearbox and to allow a smooth, progressive take-up of drive.
A. The clutch
B. The transmission system
C. The drum brake
D. The shock absorber
满分:4 分
二、判断题(共 15 道试题,共 60 分。)
1. internal combustion engine 意思是内燃机
A. 错误
B. 正确
满分:4 分
2. radiator 意思是散热器
A. 错误
B. 正确
满分:4 分
3. self-ignition 意思是自燃
A. 错误
B. 正确
满分:4 分
4. air-cooled engine 意思是风冷发动机
A. 错误
B. 正确
满分:4 分
5. full-slipper piston 意思是(高速发动机)轻型活塞
A. 错误
B. 正确
满分:4 分
6. steering wheel 意思是方向盘
A. 错误
B. 正确
满分:4 分
7. cooling system 意思是冷却系统
A. 错误
B. 正确
满分:4 分
8. drive shaft 意思是传动轴
A. 错误
B. 正确
满分:4 分
9. spark plug 意思是火花塞
A. 错误
B. 正确
满分:4 分
10. valve float 意思是气门反跳
A. 错误
B. 正确
满分:4 分
11. power steering pump 意思是动力转向泵
A. 错误
B. 正确
满分:4 分
12. total capacity 意思是总排量
A. 错误
B. 正确
满分:4 分
13. timing chain 意思是正式齿轮
A. 错误
B. 正确
满分:4 分
14. fuel injection pump 意思是直列式喷油泵
A. 错误
B. 正确
满分:4 分
15. overhead camshaft 意思是侧置凸轮轴
A. 错误
B. 正确
满分:4 分
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