Question 1

Which component is excluded from the clutch assembly?

Accepted Answer

The torque converter is not a component of the clutch assembly. It is used in automatic transmissions to transmit power from the engine to the transmission. The other options - pressure plate, friction disc, and release bearing - are all components of the clutch assembly.

Question 2

Which gear is the reverse drive gear in a cluster gear?

Accepted Answer

The reverse drive gear is typically the fourth gear in a cluster gear setup.

Question 3

Gear ratios are computed by dividing the drive gear by the driven gear.

Accepted Answer

Gear ratios are computed by dividing the number of teeth on the driven gear by the number of teeth on the drive gear.

Question 4

The differential keeps the drive wheels rotating at the same speed when the vehicle changes direction.

Accepted Answer

The differential allows the drive wheels to rotate at different speeds, which is necessary for the vehicle to make turns without the wheels dragging or skidding.

Question 5

Which statement is true of gear ratios?

Accepted Answer

Gears can be used to either multiply torque (in low gear ratios) or increase speed (in high gear ratios).

Question 6

The torque converters replaces the clutch assembly in a vehicle with an automatic transmission.

Accepted Answer

A torque converter is used in vehicles with automatic transmission to transfer power from the engine to the gearbox, unlike a clutch assembly which is used in vehicles with manual transmission.

Question 7

What is true of spool valves?

Accepted Answer

Spool valves have grooves and lands machined into them. They are typically part of a hydraulic system and control the flow of fluid through the system. They are not press-fit items nor are they installed in the driveshaft or cluster gear.

Question 8

A typical drive shaft has two U-joints, a slip joint and a driveshaft tube.

Accepted Answer

A typical drive shaft usually has two U-joints to allow for movement between the transmission and differential, a slip joint to accommodate changes in length due to suspension movement, and a driveshaft tube to encase the components and provide rigidity.

Question 9

Two technicians are discussing torque converters. Technician A says that the torque converter replaces a clutch assembly. Technician B says that torque converters use a fluid coupling instead of a clutch. Who is correct?

Accepted Answer

Both Technician A and Technician B are correct. Technician A is correct in stating that the torque converter replaces a clutch assembly in automatic transmissions, providing a means to disconnect the engine from the transmission when it is idle and allowing the engine to run while the vehicle is stationary. Technician B is correct in stating that torque converters use a fluid coupling to transmit power, which allows for a variable connection between the engine and the transmission, unlike a direct mechanical clutch.

Question 10

Two technicians are discussing clutch linkages. Technician A says that many modern trucks use a mechanical linkage. Technician B says that many passenger vehicles utilize a hydraulic clutch linkage. Who is correct?

Accepted Answer

Both technicians are correct. Many modern trucks use a mechanical clutch linkage, while many passenger vehicles use a hydraulic clutch linkage.

Question 11

Two technicians are discussing clutch packs. Technician A says that a clutch pack and drum are serviced as a unit. Technician B says that clutch packs consist of a piston assembly, a drum, and steel and friction clutch plates. Who is correct?

Accepted Answer

Technician B is correct because clutch packs consist of a piston assembly, a drum, and steel and friction clutch plates. Technician A is incorrect because clutch packs and drums are not always serviced as a unit; they can be serviced separately depending on the issue.

Question 12

A transmission uses a driveshaft.

Accepted Answer

A transmission is an essential component of the drivetrain system, which includes the driveshaft, differential, and axles. The driveshaft connects the transmission to the differential, which helps to turn the rear wheels of the vehicle.

Question 13

Clutches couple and uncouple the engine's power and the transmission/transaxle.

Accepted Answer

Clutches are responsible for coupling and uncoupling the engine's power to the transmission or transaxle.

Question 14

Two technicians are discussing transmissions. Technician A says that automatic transmissions utilize hydraulics and valves to operate the transmission. Technician B says that automatic transmissions have a mechanical connection to the engine at all times. Who is correct?

Accepted Answer

Automatic transmissions do utilize hydraulics and valves to operate the transmission. However, they do not have a mechanical connection to the engine at all times. Rather, the torque converter allows for a fluid coupling between the engine and transmission, allowing for smooth operation.

Question 15

Which component is excluded as part of the torque converter?

Accepted Answer

The rotor is not a component of the torque converter. The impeller, turbine, and stator are all parts of the torque converter.

Question 16

Constant velocity automatic transaxles utilize multiple gears to achieve fuel economy.

Accepted Answer

Constant velocity automatic transaxles only have one gear and do not utilize multiple gears to achieve fuel economy.

Question 17

A torque convertor works in the same fashion as a clutch.

Accepted Answer

A torque converter, used in automatic transmissions, uses fluid dynamics to transfer power from the engine to the transmission, allowing for a variable connection and torque multiplication. A clutch, used in manual transmissions, provides a direct mechanical connection between the engine and transmission, which can be engaged or disengaged.

Question 18

Two technicians are discussing transmission bands. Technician A says that bands wrap around a drum inside the transmission. Technician B says that bands are mechanically applied. Who is correct?

Accepted Answer

The answer of Two technicians are discussing transmission bands. Technician...

Question 19

The word transmission refers to transmissions and transaxles.

Accepted Answer

The word transmission can refer to both traditional transmissions and transaxles, which are a combination of a transmission and differential.

Question 20

The transmission housing is made of cast iron or aluminum.

Accepted Answer

The transmission housing can be made of cast iron or aluminum, depending on the specific vehicle and its design.

Quiz 8: Transmissions and Driveline Systems