Question 1

Clutch release bearing

Accepted Answer

Component that engages and disengages the clutch

Question 2

Input shaft

Accepted Answer

Transfers engine power to the transmission

Question 3

Driveline

Accepted Answer

Transfers power from the transmission to the drive axle

Question 4

Transmission cooler

Accepted Answer

Helps cool the transmission fluid

Question 5

Planetary gears

Accepted Answer

Provide multiple gear ratios in an automatic transmission

Question 6

Power take-off (PTO)

Accepted Answer

Provides power to auxiliary equipment

Question 7

Constant mesh gears

Accepted Answer

Always in mesh, allowing for smoother gear shifting

Question 8

Universal joint

Accepted Answer

Allows for flexible movement between two shafts

Question 9

Differential

Accepted Answer

Distributes power between the drive wheels

Question 10

Propeller shaft

Accepted Answer

Transfers power from the transmission to the differential

Question 11

Drive axle

Accepted Answer

Transmits power to the wheels

Question 12

Gear ratio

Accepted Answer

Ratio of the number of teeth between two gears

Question 13

Final drive

Accepted Answer

Transmits power from the differential to the wheels

Question 14

Axle shaft

Accepted Answer

Transmits power from the differential to the drive wheels

Question 15

Overdrive

Accepted Answer

Gear ratio that allows the engine to run at lower RPM

Question 16

Synchromesh transmission

Accepted Answer

Transmission with synchronized gears

Question 17

Torque converter

Accepted Answer

Transfers power from the engine to the transmission

Question 18

Shift fork

Accepted Answer

Moves gears into engagement

Question 19

Shift linkage

Accepted Answer

Connects the gearshift lever to the transmission

Question 20

Synchronizer ring

Accepted Answer

Allows gears to engage smoothly

Question 21

Lockup torque converter

Accepted Answer

Mechanism that provides a direct mechanical connection

Question 22

Flywheel

Accepted Answer

Stores rotational energy for the engine

Question 23

Torque multiplication

Accepted Answer

Increase in torque achieved by the torque converter

Question 24

Output shaft

Accepted Answer

Transmits power from the transmission to the driveline

Question 25

Shift solenoid

Accepted Answer

Controls the movement of the shift valves in an automatic transmission

Question 26

Friction plate

Accepted Answer

Transfers power between the clutch and the transmission

Question 27

Clutch disc

Accepted Answer

Part of the clutch that engages and disengages the flywheel

Question 28

Governor

Accepted Answer

Regulates the shifting points in an automatic transmission

Question 29

Counter shaft

Accepted Answer

Provides additional gear reduction in the transmission

Question 30

PTO clutch

Accepted Answer

Engages and disengages the power take-off

Question 31

Axle ratio

Accepted Answer

Ratio of the number of teeth on the drive axle gears

Question 32

Double clutching

Accepted Answer

Technique used for smooth gear shifting

Question 33

Shift valve

Accepted Answer

Controls the flow of hydraulic fluid in an automatic transmission

Question 34

Reverse idler gear

Accepted Answer

Allows the transmission to provide reverse gear

Question 35

Layshaft

Accepted Answer

Intermediate shaft in the transmission

Question 36

Kickdown cable

Accepted Answer

Controls downshifts in an automatic transmission

Question 37

Drive plate

Accepted Answer

Connects the engine to the torque converter

Question 38

Speed sensor

Accepted Answer

Measures the rotational speed of a component

Question 39

Retarder

Accepted Answer

Device that slows down the vehicle without using the service brakes

Question 40

Spline

Accepted Answer

Grooves on a shaft that allow it to engage with another component

Question 41

Clutch master cylinder

Accepted Answer

Controls the operation of the clutch

Question 42

Gear pump

Accepted Answer

Provides hydraulic pressure in an automatic transmission

Question 43

Shift interlock

Accepted Answer

Prevents the vehicle from being shifted out of park without applying the brake

Question 44

Shift pattern

Accepted Answer

The sequence of gears in a manual transmission

Question 45

Shift indicator

Accepted Answer

Displays the current gear selection

Question 46

Driveshaft

Accepted Answer

Connects the transmission to the drive axle

Question 47

Shift lever

Accepted Answer

Controls the selection of gears in a manual transmission

Question 48

Lockup solenoid

Accepted Answer

Engages and disengages the lockup torque converter

ASE School Bus Certification - S3 Drive Train Flashcards