9.9 Exercises for Unit 9

 

1. What device is designed to disconnect the engine from the transmission?

A. Universal joint
B. Transfer case
C. Clutch
D. Differential

2. What component provides the operator the means with which to operate the clutch assembly?

A. Throw-out bearing
B. Clutch release mechanism
C. Clutch fork
D. Pressure plate

3. What clutch component can either engage or disengage the clutch disc and flywheel?

A. Pressure Plate
B. Release bearing
C. Clutch housing
D. Clutch fork

4. What springs in the clutch disc absorb vibration and shock produced by clutch engagement?

A. Facing
B. Cushioning
C. Torsion
D. Friction

5. What term refers to the flat metal springs located under the friction lining of the disc that allow for smooth engagement of the clutch?

A. Damping
B. Torsion
C. Friction
D. Cushioning

6. Which clutch component prevents the transmission shaft from wobbling up and down when the clutch is released?

A. Pilot bearing
B. Release bearing
C. Diaphragm pressure plate
D. Clutch release mechanism

7. Which safety switch prevents the engine from starting unless the clutch pedal is fully depressed?

A. Clutch start
B. Transmission safety
C. Engine failsafe
D. Neutral safety

8. How is a hydraulically operated clutch adjusted?

A. By turning the eccentric cam in the clutch pedal support
B. By shortening and lengthening the slave cylinder pushrod
C. By lengthening the effective stroke of the piston of the master cylinder
D. By bleeding off a small amount of fluid at the slave cylinder

9. What is the most common cause of premature clutch troubles?

A. Operator abuse
B. Misaligned transmission
C. Over lubrication
D. Stop-and-go traffic

10. Which condition will result in the clutch slipping?

A. Loose spring shackles
B. Bent crankshaft flange
C. Loose transmission mount
D. Broken motor mount

11. If an operator reports that a vehicle has a severe vibration when accelerated from a standstill, what is the most likely cause of this trouble?

A. Excessive free play
B. Broken disc facing
C. Bent release levers
D. Worn release bearing

12. An operator reports hearing rattling sounds when the clutch is engaged. This condition is generally due to which problem?

A. Worn pilot bearing
B. Worn clutch disc facing
C. Broken clutch disc torsion spring
D. Broken clutch release mechanism

13. An operator reports that a vehicle has "clutch-pedal pulsation." A mechanic should know that this means that .

A. slippage between the clutch disc facing and the flywheel is being sensed through the clutch pedal
B. the clutch has a strong jerk that is being sensed through the clutch pedal
C. a series of slight movements can be felt on the clutch pedal when the clutch is being disengaged
D. there must be dirt or grease on the clutch facings

14. Clutch-pedal pulsation CANNOT be caused by which condition?

A. Misalignment of the engine and transmission
B. Flywheel not being seated on the crankshaft flange
C. Warped pressure plate or clutch disc
D. Excessive clutch pedal free play

15. If a clutch release bearing is running roughly, what action should the mechanic take?

A. Clean the bearing with solvent.
B. Disassemble the bearing and smooth any rough areas.
C. Repack the bearing with lubricant.
D. Replace the bearing.

16. You are reassembling a clutch assembly and a clutch alignment tool is NOT available. You can center the clutch disc on the flywheel by using which item?

A. Old clutch shaft from the same type of vehicle
B. Wooden dowel the same size as the pilot bearing
C. Pry bar to move the clutch disc up and down
D. Measured spacers to provide exact centering

17. What component provides a selection of gear ratios so a vehicle can operate under a variety of operating conditions and loads?

A. Transmission
B. Differential
C. Transfer case
D. Final drive

18. In a manual transmission, what shaft is locked in place within the transmission case?

A. Input
B. Reverse idler
C. Countershaft
D. Main

19. What are the four gear groups in a manual transmission?

A. Countershaft, input, output, and reverse idler
B. Main shaft, output, synchronized, and reverse idler
C. Input, countershaft, main shaft, and reverse idler
D. Reverse, main shaft, countershaft, and output

20. Which function pertains to the synchronizer in a manual transmission?

A. Provides the operator an easy means of shifting gears.
B. Locks the main shaft gear to the main shaft.
C. Increases torque going to the drive wheels for quick acceleration.
D. Completes the power flow from the transmission to the drive wheels.

21. What are the two types of shifting linkages used on manual transmissions?

A. External shift cable and internal shift rod
B. Internal shift rod and external shift rail
C. Internal shift cable and external rod
D. External rod and internal shift rail

22. When the gears are shifted, what type of transmission locks the gears to their shafts using sliding collars?

A. Sliding gear
B. Constant mesh
C. Auxiliary
D. Synchromesh

23. What is the function of the synchronizer in a synchromesh transmission?

A. To engage the main drive gear with the transmission main shaft.
B. To engage the first speed main shaft with the transmission main shaft.
C. To equalize the speed of the driving and driven members.
D. To engage the second speed main shaft with the transmission main shaft.

24. What component of an auxiliary transmission is splined to the main shaft and slides backwards or forwards when shifting into high or low positions?

A. Synchronizer
B. Gear type of dog clutch
C. Over-center dog clutch
D. High-lo shift fork

25. When disassembling a manual transmission, you find brass-colored particles. What components are most likely damaged?

A. Main drive gears
B. Thrust washers
C. Input shaft bearing
D. Reverse idler shaft sleeve

26. When replacing a main shaft gear, you should also replace the matching gear on what shaft?

A. Countershaft
B. Reverse idler
C. Input
D. Output

27. You have completed reassembling a transmission. Which action should you take before reinstalling the transmission?

A. Fill the case with proper lubricant.
B. Ensure the transmission shifts properly.
C. Measure end play clearance of the countershaft.
D. Lightly coat all components with a medium-grade lubricating oil.

28. Operator control of an automatic transmission is limited to what action?

A. Changing the throttle position to match the load requirements of the vehicle.
B. Coupling and uncoupling the engine and automatic transmission through the torque converter.
C. Moving the control lever to select the gear range.
D. Locking the planetary gearsets to produce the required forward and reverse gear ratios.

29. What action within an automatic transmission allows the transmission to shift gear ratios without operator control?

A. Locking and releasing of planetary gearsets in various combinations.
B. Locking and unlocking of hydraulic actuated multiple-disc clutches.
C. Controlling the hydraulic pressure that locks and releases brake bands.
D. Engaging and disengaging of the torque converter from the engine.

30. The turbine of a torque converter is connected to what component?

A. Flywheel
B. Crankshaft
C. Transmission
D. Clutch housing

31. The blades inside a torque converter are forced to rotate by _.

A. oil thrown by the pump
B. centrifugal force generated by the clutch
C. engine torque transmitted through the crankshaft
D. pressure from the flywheel

32. In a torque converter, what action causes torque multiplication to occur?

A. The impeller is spinning faster than the turbine.
B. The impeller is spinning slower than the stator.
C. The turbine is spinning faster than the impeller.
D. The turbine is spinning slower than the stator.

33. What clutch locks the stator of a torque converter when the impeller is turning faster than the turbine?

A. Dog
B. One-way
C. Over-center
D. Multi-disc

34. What springs in a lockup torque converter assist in dampening engine pulses entering the drive train?

A. Cushioning
B. Facing
C. Torsion
D. Leaf

35. Which gear is NOT a part of the makeup of the planetary gearset?

A. Sun
B. Ring
C. Planetary carrier
D. Input

36. What clutch in an automatic transmission is used to transmit torque by locking elements of the planetary gearsets to rotating members within the transmission?

A. Over-center
B. Multiple-disc
C. One-way
D. Dog

37. What component of a multiple-disc clutch ensures a rapid release of the clutch when hydraulic pressure to the clutch piston is released?

A. Clutch springs
B. Clutch hub
C. Clutch drum
D. Pressure plate

38. What component of an automatic transmission is designed to lock a planetary gearset element to the transmission case so the element can act as a reactionary member?

A. Brake band
B. Multiple-disc clutch
C. Servo
D. Valve body

39. Which is NOT a basic function of the hydraulic system of an automatic transmission?

A. To actuate clutches and bands
B. To control shifting patterns
C. To circulate transmission fluid
D. To control the planetary gearset elements

40. So it can be driven by the engine, the hydraulic pump of an automatic transmission is keyed to what component?

A. Transmission case
B. Flywheel
C. Torque converter hub
D. Engine crankshaft

41. Which is NOT a function of the hydraulic pump of an automatic transmission?

A. To produce pressure to operate the clutches
B. To lubricate the moving parts of the transmission
C. To keep the torque converter filled
D. To route excess transmission fluid to the cooling tank

42. What valve in an automatic transmission is operated by the shift mechanism, allowing the operator to select park, neutral, reverse, or different drive ranges?

A. Manual
B. Kickdown
C. Governor
D. Shift

43. What valve works in conjunction with the vacuum modulator to determine shift points in an automatic transmission?

A. Manual
B. Kickdown
C. Governor
D. Shift

44. What valve causes the transmission to shift into a lower gear during quick acceleration?

A. Kickdown
B. Governor
C. Shift
D. Manual

45. In addition to giving off a burnt smell, overheated transmission fluid will turn what color?

A. Brown
B. Black
C. Red
D. Blue

46. Using a transmission fluid that is incompatible with the unit you are working on may lead to which problem?

A. Transmission overheating
B. Transmission fluid foaming
C. Milky appearance of the fluid
D. Early transmission failure

47. Air trapped in the hydraulic system of an automatic transmission can cause which problem?

A. High line pressure
B. Slow application of the clutch plates
C. Low torque output
D. Hard shifting

48. Water mixed with automatic transmission fluid will turn the fluid what color?

A. Brown
B. Milky
C. Pink
D. Tan

49. (True or False) After a vehicle has been operated in severe service, the transmission will require a band adjustment.

A. True
B. False

50. Oil drained from an automatic transmission should be disposed of according to what instructions?

A. EPA
B. Federal regulations
C. Local civilian
D. Local instructions

51. Which factor is NOT an advantage of a vehicle with a transaxle and front-wheel drive?

A. Increased passenger compartment space
B. Quieter operation
C. Greater sprung weight
D. Improved traction on slippery surfaces

52. In a manual transaxle the output shaft transfers torque to which component?

A. Drive axles
B. Differential
C. Hub assembly
D. Gearbox

53. The flow of fluid to the pistons and servos of an automatic transaxle is controlled by what component of the transaxle?

A. Clutches and bands
B. Planetary gearsets
C. Differential
D. Valve body