Question 1

Which of the following gear ratio will be created when an individual component of a planetary gear set is prevented from turning?

Accepted Answer

A)  Forward torque reduction with a speed increase 
B)  Forward speed reduction with a torque increase 
C)  Reverse 
D)  All of the above 
A)  Forward torque reduction with a speed increase 
B)  Forward speed reduction with a torque increase 
C)  Reverse 
D)  All of the above

Question 2

Any gear ratio of less than 1:1 is considered an overdrive ratio. Overdrive ratios are typically used to:

Accepted Answer

A)  increase engine speed. 
B)  increase fuel economy. 
C)  decrease engine noise. 
D)  decrease engine wear. 
A)  increase engine speed. 
B)  increase fuel economy. 
C)  decrease engine noise. 
D)  decrease engine wear.

Question 3

Which of these converts the hydraulic pressure acting on a piston to a mechanical force that is then applied to a brake band?

Accepted Answer

A)  Seals 
B)  Springs 
C)  Servos 
D)  Pinions 
A)  Seals 
B)  Springs 
C)  Servos 
D)  Pinions

Question 4

Tech A says that a transaxle assembly includes the transmission and final drive mechanism. Tech B says that transaxles are used for front wheel drive vehicles. Who is correct?

Accepted Answer

A)  Tech A 
B)  Tech B 
C)  Both A and B 
D)  Neither A nor B 
A)  Tech A 
B)  Tech B 
C)  Both A and B 
D)  Neither A nor B

Question 5

Automatic transmissions are designed to prevent a downshift if that downshift would cause the engine to exceed the safe maximum RPM.

Accepted Answer

A) True 
 B)False

Question 6

The transmission needs to be able to adapt the engine torque to meet the _________ demands of the vehicle.

Accepted Answer

A)  Speed and power 
B)  Fluids and gear ratio 
C)  Rotation and stability 
D)  All of the above 
A)  Speed and power 
B)  Fluids and gear ratio 
C)  Rotation and stability 
D)  All of the above

Question 7

When the engine is operating under heavy load, engine manifold pressure is low.

Accepted Answer

A) True 
 B)False

Question 8

Technician A says there are two major differences between an automatic and manual transmission. Technician B says that due to the number of vehicles with automatic transmissions installed, it is important for a technician to have knowledge of automatic transmission fundamentals. Who is correct?

Accepted Answer

A)  Technician A 
B)  Technician B 
C)  Both technicians 
D)  Neither technician 
A)  Technician A 
B)  Technician B 
C)  Both technicians 
D)  Neither technician

Question 9

Which of the following gear ratio will be created when an individual component of a planetary gear set is prevented from turning?

Accepted Answer

A)  Forward torque reduction with a speed increase 
B)  Forward speed reduction with a torque increase 
C)  Reverse 
D)  All of the above 
A)  Forward torque reduction with a speed increase 
B)  Forward speed reduction with a torque increase 
C)  Reverse 
D)  All of the above

Question 10

Today, the majority of vehicles sold in North America are equipped with automatic transmissions as standard equipment.

Accepted Answer

A) True 
 B)False

Question 11

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?

Accepted Answer

A)  Technician A 
B)  Technician B 
C)  Both A and B 
D)  Neither A nor B 
A)  Technician A 
B)  Technician B 
C)  Both A and B 
D)  Neither A nor B

Question 12

Tech A says that a parallel hybrid drivetrain has two or more different devices to propel the vehicle. Tech B says that power-splitting transmissions use two adjustable pulleys and a heavy metal belt. Who is correct?

Accepted Answer

A)  Tech A 
B)  Tech B 
C)  Both A and B 
D)  Neither A nor B 
A)  Tech A 
B)  Tech B 
C)  Both A and B 
D)  Neither A nor B

Question 13

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?

Accepted Answer

A)  Technician A 
B)  Technician B 
C)  Both A and B 
D)  Neither A nor B 
A)  Technician A 
B)  Technician B 
C)  Both A and B 
D)  Neither A nor B

Question 14

Tech A says that a parallel hybrid drivetrain has two or more different devices to propel the vehicle. Tech B says that power-splitting transmissions use two adjustable pulleys and a heavy metal belt. Who is correct?

Accepted Answer

A)  Tech A 
B)  Tech B 
C)  Both A and B 
D)  Neither A nor B 
A)  Tech A 
B)  Tech B 
C)  Both A and B 
D)  Neither A nor B

Question 15

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

Accepted Answer

A)  Selecting and shifting gear ratios to match road speed and engine load without driver input 
B)  Selecting the vehicle direction without driver input 
C)  Automatically coupling and uncoupling the transmission from the engine as necessary 
D)  Parallel parking the vehicle without driver input 
A)  Selecting and shifting gear ratios to match road speed and engine load without driver input 
B)  Selecting the vehicle direction without driver input 
C)  Automatically coupling and uncoupling the transmission from the engine as necessary 
D)  Parallel parking the vehicle without driver input

Question 16

Reverse requires greater clutch and brake holding force, so the manual valve will direct additional fluid to work with the pressure regulator valve spring, increasing line pressure.

Accepted Answer

A) True 
 B)False

Question 17

Tech A says that most automatic transmissions use planetary gear sets. Tech B says that planetary gear sets are often combined together to create the needed gear ratios for a transmission. Who is correct?

Accepted Answer

A)  Tech A 
B)  Tech B 
C)  Both A and B 
D)  Neither A nor B 
A)  Tech A 
B)  Tech B 
C)  Both A and B 
D)  Neither A nor B

Question 18

The transmission needs to be able to adapt the engine torque to meet the _________ demands of the vehicle.

Accepted Answer

A)  Speed and power 
B)  Fluids and gear ratio 
C)  Rotation and stability 
D)  All of the above 
A)  Speed and power 
B)  Fluids and gear ratio 
C)  Rotation and stability 
D)  All of the above

Question 19

Which type of automatic transmission use multi-plate clutches and bands applied by hydraulic pressure?

Accepted Answer

A)  Hydraulic transmissions 
B)  Electronic transmissions 
C)  Both A and B 
D)  Neither A nor B 
A)  Hydraulic transmissions 
B)  Electronic transmissions 
C)  Both A and B 
D)  Neither A nor B

Question 20

Tech A says that multidisc clutches are used to drive or hold planetary gear components. Tech B says that bands are used to drive planetary gear components. Who is correct?

Accepted Answer

A)  Tech A 
B)  Tech B 
C)  Both A and B 
D)  Neither A nor B 
A)  Tech A 
B)  Tech B 
C)  Both A and B 
D)  Neither A nor B

Exam 6: Automatic Transmission Fundamentals

Which of the following gear ratio will be created when an individual component of a planetary gear set is prevented from turning?

Any gear ratio of less than 1:1 is considered an overdrive ratio. Overdrive ratios are typically used to:

Which of these converts the hydraulic pressure acting on a piston to a mechanical force that is then applied to a brake band?

Tech A says that a transaxle assembly includes the transmission and final drive mechanism. Tech B says that transaxles are used for front wheel drive vehicles. Who is correct?

Automatic transmissions are designed to prevent a downshift if that downshift would cause the engine to exceed the safe maximum RPM.

The transmission needs to be able to adapt the engine torque to meet the _________ demands of the vehicle.

When the engine is operating under heavy load, engine manifold pressure is low.

Technician A says there are two major differences between an automatic and manual transmission. Technician B says that due to the number of vehicles with automatic transmissions installed, it is important for a technician to have knowledge of automatic transmission fundamentals. Who is correct?

Which of the following gear ratio will be created when an individual component of a planetary gear set is prevented from turning?

Today, the majority of vehicles sold in North America are equipped with automatic transmissions as standard equipment.

Tech A says that a parallel hybrid drivetrain has two or more different devices to propel the vehicle. Tech B says that power-splitting transmissions use two adjustable pulleys and a heavy metal belt. Who is correct?

Tech A says that a parallel hybrid drivetrain has two or more different devices to propel the vehicle. Tech B says that power-splitting transmissions use two adjustable pulleys and a heavy metal belt. Who is correct?

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

Reverse requires greater clutch and brake holding force, so the manual valve will direct additional fluid to work with the pressure regulator valve spring, increasing line pressure.

Tech A says that most automatic transmissions use planetary gear sets. Tech B says that planetary gear sets are often combined together to create the needed gear ratios for a transmission. Who is correct?

The transmission needs to be able to adapt the engine torque to meet the _________ demands of the vehicle.

Which type of automatic transmission use multi-plate clutches and bands applied by hydraulic pressure?

Tech A says that multidisc clutches are used to drive or hold planetary gear components. Tech B says that bands are used to drive planetary gear components. Who is correct?

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