2013—2014—2汽车专业英语题库
一、单选题
1.What do almost all cars u to convert gasoline into motion？ D
A. one—stroke combustion cycle B。 two—stroke combustion cycle
C. three—stroke combustion cycle D. four-stroke combustion cycle
福州平潭岛2。 A car engine’s job is to B .
A. convert fuel into heart B。 convert fuel into motion C。 convert fuel into exhaust
3. A car us a four—stroke engine. The four strokes are A 。
A. intake， compression, ignition and exhaust
B。 injection， rotation， ignition and exhaust
C。 injection, carburetion， rotation and exhaust
水加偏旁
4.With the A at the bottom of the cylinder, the exhaust valve opens to allow the burned exhaust gas to be expelled to the exhaust system.
A. piston B. valve C。 camshaft D。crankshaft
5。According to the method of ignition of the air-fuel mixture， engines are divided into B .
A. gas engine and steam engine B。 gasoline engine and diel engine
C. external combustion engine and compression ignition engine
D. internal combustion engine and diel engine
6.What is the core of a car’s engine？ A
A. The cylinder B. The spark plug C. Windshield—washer fluid D.Exhaust
7。Which statement about cylinder head is fault? B
A。 The cylinder head is bolted to a very flat surface above the cylinder 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 ud to hold the valves， and it has ports to allow air, fuel and exhaust to move through the engine。
8. The crankshaft and connecting rod converts A energy into energy ud to drive the vehicle。
A。 thermal, mechanical B. mechanical， thermal
C. kinetic, mechanical D。 mechanical, kinetic
9. What caus a car to burn and lo oil？ D
睡着的英语
A。 Lack of gas B. Radiator trouble C. A failing exhaust system
D. An old engine with piston rings that no longer al 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 D。oil pressure relief valve
11.Which statement about the Lubrication oil is fault？ C
A。 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 its chemistry。
D.The oil forms a good al between piston rings and cylinder walls.
12。What is the cooling agent in the liquid cooling system? A
A。 Coolant B. Air C。 Lubrication D。Gasoline
13.What is it apparatus that cools the motor? A
蒲地蓝胶囊A. Radiator B。 Thermostat C。 Coolant D。Pump
14。 To avoid loss of antifreeze due to expansion， the cooling system A 。
A. must not be completely filled B。 must install a bypass valve
鳄鱼天赋C. must install a pressure control valve D. must be aled
15。The primary role of the distributor is to distribute high voltage from the C to the correct cylinder.
A. Spark plug B. piston C。 coil
16。 Spark timing is so critical to an engine’s performance that most modern cars u a nsor 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 starter motor will黄皮果 C .
A。 nd electricity to the spark plugs, then start the ignition system。
B。 nd electricity to the fuel pump, then force the car to start。
惯性的例子
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 clutch plate and the flywheel , and how much force the spring puts on the pressure plate.
A。 distance B。 friction C。 relationship
19. What is the most common problem associated with clutches？ B
我的漫画老师作文五年级
A. The friction material on the disk makes a whining noi.
B。 The friction material on the disk wears out。
C。 The friction material on the disk lasts too long.
