ANH VĂN CHUYÊN NGÀNH

A. VOCABULARY & GRAMMAR:

1. One of the purpose of the..................is to allow each drive wheel to turn at a different speed.

A. transmission B. brakes C. drive frain D. differential

2. A part that moves inside a cylinder to press mixture of air and fuel is called...........................

A. connecting rod B. piston pin C. piston D. intake valve

3. A thing that protects a driver from wind and dust is called........................

A. windshield B. window C. windshield wiper D. cigar lighter

4. All have the property that the deflection of the spring is known...................the spring rate.

A. as B. than C. so D. such

5. The primary purpose of the.........system is to isolate the car body from the vertical motion of the wheel as
they travel over the rough road surface.

A. steering B. transmission C. suspension D. ignition

6. Similar to the............, the shock absorbers also produce a force that acts to support the weight of the car.

A. gears B. springs c. rings D. rods

7. All the following provide different gear ratios EXCEPT......................

A, manual transmission B. automatic transaxle c. manual transaxle D. clutch

8. The braking force that decelerates the car results from...............between the disk and the pads.

A. corrosion B. friction c. wear D. erosion

9. Did you buy a new...........set for these pistons yesterday?

A. piston ring B. gear c. ball bearing D. stud

10. They have to use.............to connect piston and connecting rod.

A. piston pin B, piston ring c. bearing D. piston pin locking ring

11. An electric part that supplies high voltage for spark plugs is called.......................

A. Ignition coil B. alternator c. air compressor D. headlight

12. A part that is used to supply oil to every part of an engine is called

A. fuel pump B. oil pump c. water pump D. air compressor

13. A........is for braking car in a parking lot or emergency case.

A. handbrake B. steering wheel c. tie rod end D. car frame
14. The............of this car is out of order. I can’t start the engine.
A. clutch pedal B. brake pedal c. electric starter D. steering wheel

A. differential B. universal joint

15. A part that helps two drive wheels to move with different speeds is called
c. spark plug D. spiral spring
16. The drive shaft is used on front-engine, rear wheel drive vehicles to couple the transmission output shaft to the
input............shaft.
A. clutch B.suspension c. wheel D. differential
17. At the moment of explosion, the temperature within the cylinder is extremely high. Cylinders are therefore
provided with..............., through which water is rapidly circulated.
A. guards B. coats c. jackets D. sumps

18. From the clutch the power flows through the

rear-axle drive gears.

in one of several speeds and is delivered into the

A. flywheel B. springs c. transmission D. stabilizers

19. Flexible coupling, called universal joint, allows the rear axle housing and the wheels to move up and down while
the transmission remains..............................

A. stationary B. moving c. rotary D. reciprocating

20. In an electronic control system, the devices that provide information are.........................

A. sensors B. outputs c. actuators D. control units

21. You have to use a...............to tighten the stud nuts of cylinder head.

A. pliers B. open end wrench c. torque wrench D. alien wrench

22. In the electronic ignition system, the primary circuit is opened and closed by........................
 A. a solenoid B. contact points c. a mechanism switch D. an electronic switch

23. The camshaft is driven by sprockets and chain or toothed belt or by.....................

A. the distributor shaft B. an oil-pump gear c. timing gears D. a timing belt

24. The purpose of the glow plug is to.................................................

A. control engine idle speed B. provide sparks to ignite the compressed air-fuel mixture

c. warm the fuel D. add heat to the precombustion chamber

25. We have to use a/an...............................to clean air for engine.

A. oil fdter B. fuel fdter c.air filter D.windscreen

26. In a rear wheel drive vehicle, when the rear wheels move up and down...........................................

A. The drive line changes length B. the angle of drive changes

c. both A and B D. neither A nor B

27. We have to use a/an............................to connect drive line. Because it can move at varied angles.

A. slide joint B. ball joint c. universal joint D. spring hanger

28. The primary purpose of the....................is to provide inertia to keep the crankshaft rotating during the three
no-power-producing strokes of the piston.

A. flywheel B. steering wheel c. piston D. cylinder

29. You have to clean the....................if engine temperature is very high

A. oil fdter B. radiator c. crankcase D. clutch housing

30. A part that is used for reducing shock of types to the car frame is called...........................

A. shock absorber B. lower control arm c. balancing rod D. idle arm

31. Steering functions by rotating the plane of the.....................wheels in the desired direction of the turn.

A. rear B. back c. front D. none is correct

32. A................is used to make a camshaft turn and set it in firing order.

A. counter gear B. clutch gear c. timing belt D. camshaft bearing

33. Under the normal driving conditions, the brakes..........in contact with the disk, and the disk is free to rotate.

A. can not B. do not c. are not D. can

34. Most of the.............energy of the car is dissipated by the brakes during deceleration and stopping.

A. electrical B. chemical c. kinetic D. lighting

35. A part of the engine that uses a cam to push the valves moving up and down is called.......................

A. timing belt B. camshaft c. crankshaft D. valve seat

36. An engine is a machine for converting energy into motion or.........................work.

A. chemical B. mechanical c. hydraulic D. pneumatic

37. The two basic types of piston engines are the..............................

A. rotary and reciprocating B. pushrod and reciprocating

c. gasoline and spark-ignition D. spark-ignition and compression-ignition

38. The differences between the spark-ignition engine and the compressition-ignition are:..........................

A. the type of fuel used B. the way the fuel gets into the cylinder

c. the way the fuel is ignited D. All of the above

39. Rudolf Diesel, a German engineer,............................the diesel engine.

A. did B. make c. invented D.discovered

40. All the following are true about diesel engines EXCEPT..........................

A. no throttle valve B. high compression ratio

c. spark plugs make starting easier D. speed and power controlled by quantity of fuel injected

41. Valve overlap is the number of degrees of crankshaft rotation during which.....................

A. both intake and exhaust valves are closed B. both intake and exhaust valves are open

c. the valves are moving from fully closed to the timing point D. the valves float

42. An engine with the camshaft in the block operates the valve through.................................

A. valve lifters B. push rods c. rocker arms D. All of above

43. The two fuel systems used with spark-ignition engines are....................

A. carbureted and diesel B. fuel injection and diesel

c. port and throttle body D. fuel injected and carbureted

44. The device that provides spark advance by pushing the breaker cam ahead as engine speed increases is the

A. vacuum advance mechanism B. throttle body

c. primary resistance D. centrifugal advance mechanism

45. The two locations for the fuel injectors are......................................

A. in the cylinder and on the intake manifold B. in the throttle body and in the intake ports

c. on the two sides of the air hom D. in the intake manifold and in the exhaust manifold

46. In electronic ignition systems, the................are replaced by an electronic switch.

A. differential B. breaker points c. distributor D. piston

47. A..........having a number of lobes equal to the number of cylinders is mounted on the distributor shaft.

A. spark plug B. ring c. cam D. spring

48. Which of these statements about a closed container is correct?

A. temperature increases with increasing pressure

B. pressure increases with increasing temperature

c. both A and B

D. neither A nor B

49. The firing order is the.......................................

A. order in which the cylinders are numbered

B. sequence in which the cylinders deliver their power strokes

c. direction in which the crankshaft rotates

D. sequence in which the connecting rods attach along the crankshaft

50. The ignition system performs all the following jobs EXCEPT........................................

A. controls the compression pressure B. produces the spark that jumps the spark-plug gap

c. ignites the compressed air-fuel mixture D. delivers the spark at the proper time

51. There are two basic types of internal combustion engines:..........................................

A. piston and reciprocating B. reciprocating and rotary

 c. reciprocating and pushrod D. rotary and spark-ignition

52. A piston stroke is a piston movement from..............................

A. BDC to TDC B. TDC to BDC c. both A and B D. neither A nor B

53. The correct order in which the four piston strokes occur in the engine is..........................................

A. intake, compression, power, exhaust B. intake, power, compression, exhaust

c. compression, power, intake, exhaust D, exhaust, compression, intake, power

54. Most devices on the car are powered by...................................

A. the engine B. electricity c. electronics D. vacuum

55. The cylinder head forms the upper end of the combustion chamber. The lower end is formed by the.......................

A. piston B. compression ring c. spark plug D. valve

56. The volume that the piston displaces as it moves from BDC to TDC is the............................

A. compression stroke B. compression rate

c. volumetric efficiency D. piston displacement

57. The three basic cylinder arrangements for automotive engines are.............................

A. flat, radial, V B. in a row, in-line, opposed

c. in-line, V, opposed D. V, double line, opposed

58. In the diesel or compression-ignition engine, the fuel mixes air.....................it enters the engine cylinders.

A. before B. after c. during D. by

59. The only.................engine now used in automobiles is the Wankel engine.

A. rotary B. sterling c. piston D. hybrid

60. Automobile engines are normally started by means of an electric motor or........................that is geared to the
crankshaft with a clutch that automatically disengages the motor after the engine has started.

A. generator B. shock absorber c. supercharger D. starter

61. The piston engine produces power by the.................................

A, rotation of the crankshaft B. combustion pressure pushing on pistons

c. valve action D. up and down movement of pistons

62. To change reciprocating motion to rotary, the engine has.....................................

A. a crankshaft and a camshaft B. pistons and connecting rods

c. camshafts and connecting rods D. connecting rods and a crankshaft

63. In all engines some means of igniting the fuel in the cylinder is provided, and............................the heat of
combustion, all engines are equipped with some type of cooling system.

A. although B. where c. since D. because of

64. As the piston moves up the cylinder, the air-fuel mixture is compressed and the.........................................

A. temperature increases B. pressure increases

c. air-fuel mixture gets hot D. All of above

65. During combustion of gasoline in the engine........................

A. hydrogen unites with oxygen to form water

B. oxygen unites with carbon to form carbon dioxide

c. some carbon unites with oxygen to form carbon monoxide

D. All of above

66. During the..............stroke, the high pressure created by the burning mixture forces the piston downward.

A. intake B. compression c. power D. exhaust

67. The two kinds of piston rings are...............................

A. pressure and sealing B. oil-scraper and blowby

c. snap and sealing D. compression and oil control

68. They use a..............to connect a piston to a crankshaft of an engine.

A. connecting rod B. machine key c. pulley D. fuel injector

69. A part that makes friction to the brake disk to stop wheel moving is called............................

A. piston seal B. brake pad c. returning spring D. hub

70. A part that clears water on the windscreen is called..................

A. water filter B, air filter c. windsceen wiper D. waterproof

71. A part that contains brake fluid and pushes fluid to move through brake line is called................................
A. wheel brake cylinder B. master cylinder c. caliper D. reservoir

72. A part that is used to pull brake shoes back when the brake pedal is released is called spring.

A. diaphragm B. returning c. coil D. leaf

73. A part that gets mixed air for engine is called
A. air cleaner B. exhaust valve c. intake valve D. air filter
74. A part that covers over the valves on a cylinder head is called
A. valve spring B. valve sleeve c. cylinder gasket D. valve cover

75. In a transmission, a holds two gears moving at the same speed.

A. synchronizing drum B. gearshift lever c. main shaft D. counter shaft

76. Clutch disk lies between a pressure plate and a...........................
A. torsional reducing spring B. flywheel c. cover D. housing

77. Every engine must have a to keep the engine crankshaft moving at a constant revolution.

A. release ball bearing B. clutch c. flywheel D. pulley

78. They use a to push water through an engine and to cool engine.

D. brake fluid level

 A. vacuum pump B. fan c. water jacket D. water pump

79. Brake pedal is low. You should adjust the of master cylinder.

A. adjustable bolt B. brake booster c. adjustable

pushrod
80. They often use a/an to mix air and gasoline together.

A. air filter B, spark plug c. air compressor D. carburetor

81. A nut that is used to install a wheel on a hub is called............................

A. cape nut B. wheel nut c. wing nut D. locked nut

82. A part that is used for transmitting torque from the differential to the driving wheel is called.......................

A. axle B. Y yoke c. drive line D. hub

83. A part that is used for fixing brake shoes and wheel brake cylinder is called..........................

A. back plate B. brake drum c. brake pad D. spring

84. We can use..............to set firing order instead of timing belt

A. ring gear B, pinion gear c. reverse gear D. timing gears

85. An electronic component that picks up the signals for ECU is called...........................

A. sensor B. micro controller c. actuator D. transistor

86. How is a gasoline engine different from a diesel engine?

A. a gas engine releases more pollutants B. a gas engine uses spark plugs for ignition

c. a gas engine needs more time to warm up D. a gas engine has a smaller fuel injection pump

87. Which of the following is NOT a feature of a diesel engine?

A. air and fuel mix before entering the chamber B. it is more durable than a gasoline engine

c. i doesn’t bum as clean a gasoline engine D. gasoline cannot be used in it

88. Which of the following does NOT cool a radiator?

A. fan B. water pump c. heater hose D. coolant recovery system

89. Where does damage to a cv joint usually start?

A. a worn down hinge B. a cracked cv boot

c. a loose couping D. a snapped transaxle

90. What is probably true of a car with a damaged cv boot?

A. it needs a new U-joint B. it has front-wheel drive

c. it cannot transmit rotary motion D. its cv joint has completely failed