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1、2013-2014-2汽车专业英语题库一、单选题I.What do almost all cars use to convert gasoline into motion? DA. one-stroke combustion cycle B. two-stroke combustion cycleC. three-stroke combustion cycle D. four-stroke combustion cycle2. A car engine s job is toB.A. convert fuel into heart B. convert fuel into motion C.
2、convert fuel into exhaust3. A car uses a four-stroke engine. The four strokes are A .A. intake, compression, ignition and exhaustB. injection, rotation, ignition and exhaustC. injection, carburetion, rotation and exhaust4 .With the A at the bottom of the cylinder, the exhaust valve opens to allow th
3、e burned exhaust gas to be expelled to the exhaust system.A. piston B. valve C. camshaft D.crankshaft5 .According to the method of ignition of the air-fuel mixture, engines are divided into B .A. gas engine and steam engineB. gasoline engine and diesel engineC. external combustion engine and compres
4、sion ignition engineD. internal combustion engine and diesel engine6 .What is the core of a car s engine? AA. The cylinder B. The spark plug C. Windshield-washer fluid D.Exhaust7 .Which statement about cylinder head is fault? BA. The cylinder head is bolted to a very flat surface above the cylinder
5、portion of the block. B. The cylinder head is cast into one piece from iron only.C. The cylinder head forms the upper portion of the combustion chamber.D. The cylinder head is used to hold the valves, and it has ports to allow air, fuel and exhaust to move through the engine.8 . The crankshaft and c
6、onnecting rod converts A energy intoenergy used todrive the vehicle.A. thermal, mechanicalB. mechanical, thermalC. kinetic, mechanicalD. mechanical, kinetic9 . What causes a car to burn and lose oil? DA. Lack of gas B. Radiator trouble C. A failing exhaust systemD. An old engine with piston rings th
7、at no longer seal the cylinder and piston properly.10 .What is the heart of the lubrication system, which is located in the oil pan on the bottom of the engine? And it pulls oil up from the oil pan and makes the engine oil circulate through the engine. C A. Screened intake B. oil filter C. oil pump
8、D.oil pressure relief valve11 .Which statement about the Lubrication oil is fault? CA. The oil forms a film on the metal surface and prevents a metal to metal contact.B. The oil absorbs and carries the heat away from the engine components.C. The oil washes off dirt away from the engine parts through
9、 its chemistry.D.The oil forms a good seal between piston rings and cylinder walls.12 .What is the cooling agent in the liquid cooling system? AA. Coolant B. Air C. Lubrication D.Gasoline13 .What is it apparatus that cools the motor? AA. Radiator B. Thermostat C. Coolant D.Pump14 . To avoid loss of
10、antifreeze due to expansion, the cooling system A .A. must not be completely filledB. must install a bypass valveC. must install a pressure control valveD. must be sealed15 .The primary role of the distributor is to distribute high voltage from the C to the correct cylinder.A. Spark plug B. piston C
11、. coil16 . Spark timing is so critical to an engine s performance that most modern cars use a sensor to tell the engine control unit(ECU) B .A. the exact temperature of the spark plugs.B. the exact position of the pistons.C. the exact location of the coil.17 . When you turn the key to a car, the sta
12、rter motor will CA. send electricity to the spark plugs, then start the ignition system.B. send electricity to the fuel pump, then force the car to start.C. spin the engine a few revolutions, then start the combustion process.18 .The amount of force the clutch can hold depends on the B between the c
13、lutch plate and the flywheel , and how much force the spring puts on the pressure plate.A. distance B. friction C. relationship19 . What is the most common problem associated with clutches? BA. The friction material on the disk makes a whining noise.B. The friction material on the disk wears out.C.
14、The friction material on the disk lasts too long.20 . A manual transmission is connected to the engine through the C .A. differentialB. beltC. clutch21 .A latch mechanism is inserted into the slot in the output shaft in the manual transmission, so as to lock the drive wheels and keep them from turni
15、ng, thereby preventing the vehicle from rolling. Which gear does the statement indicate? B_A. The fifth gear B. The parking C. The neutral D.The reverse22 . How faster should a car with a CVT reach 60 mph(97kph) than the same car with the same engine and a manual transmission? BA. 10 percentB. 25 pe
16、rcent C.40 percent23 .Which of the following is one of the jobs of the differential? CA. To allow the wheels to rotate at exactly the same speed.B. To maintain torque.C. To aim the engine power at the wheels.24. The drive shaft connects A to.A. the transmission output; the differential pinion shaftB. the cylinder; the clutchC. the transmission input; t
