AUT 201 Pre/Post test

Which of the following describes the operation of the hydraulic control system and gear train in an automatic transmission?

• Selecting and shifting gear ratios to match road speed and engine load without driver input

• Selecting the vehicle direction without driver input

• Automatically coupling and uncoupling the transmission from the engine as necessary

• Parallel parking the vehicle without driver input

Technician A says that a transaxle must have a type of differential assembly to allow the front wheels to turn at different speeds while driving around a curve. Technician B says that a conventional rear-wheel drive vehicle will typically use a differential assembly that is located in the rear axle assembly. Who is correct?

• Tech A

• Tech B

• Both Tech A and B

• Neither Tech A or B

In a lock-up converter the _______ and _______ are locked together, when conditions are suitable.

• Impeller and Turbine

• Impeller and Stator

• Turbine and Stator

• Turbine and Turbine shaft

Which of the following was used to connect the engine crankshaft to the input shaft of early automatic transmissions?

• Fluid coupling

• Torque converter

• A dry plate clutch

• A wet plate clutch

What gear ratio is achieved with an 8 tooth input gear driving a 24 tooth output gear?

• 4:01

• 1:01

• 3:01

• 0.3:1

The extension housing seal is considered an internal transmission seal.

• True

• False

Which of the following is TRUE of clutches and steels in a multi-disc clutch?

• The frictions are on one end of the clutch and the steels are on the other end

• The steels and frictions are placed alternately into the clutch drum

• The steels release the clutch and the frictions apply it.

• The frictions release the clutch and the steels apply it

Which of the following parts make up a simple servo?

• Cylinder containing a piston and seal

• Pushrod

• Piston return spring

• All of the above

Pascal's law states that if we place fluid in a confined space, pressure will

• be transferred equally in all directions inside the space

• be higher at the end of the space

• be lower at the end of the space

• vary at various points inside the space

Before we can calculate the amount of force created with a piston, which of the following do we need to know?

• The spring pressure

• The mass of the piston

• The volume of fluid in the piston bore

• The area of the piston