Question 1

As the vehicle begins to move from a stop, torque multiplication is minimal because there is a large difference between the speed of the impeller and the turbine.

Accepted Answer

A) True 
 B)False  False

Question 2

Which of the following is an element of a single stage torque converter?

Accepted Answer

A)  Impeller 
B)  Turbine 
C)  Stator 
D)  All of the above 
A)  Impeller 
B)  Turbine 
C)  Stator 
D)  All of the above D

Question 3

What tool below is commonly used to check that the neutral safety switch/transmission range switch has continuity on the correct terminals?

Accepted Answer

A)  Ohmmeter 
B)  Labscope 
C)  Ammeter 
D)  Voltmeter 
A)  Ohmmeter 
B)  Labscope 
C)  Ammeter 
D)  Voltmeter A

Question 4

A torque converter should be balanced once reassembled and pressure tested.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is not an element of a single stage torque converter?

Accepted Answer

A)  Impeller 
B)  Turbine 
C)  Band 
D)  Stator 
A)  Impeller 
B)  Turbine 
C)  Band 
D)  Stator

Question 6

Which of the following describes conditions for torque converter lockup?

Accepted Answer

A)  Heavy-load lower speed 
B)  Light-load higher speed 
C)  Heavy-load just starting up from a stop 
D)  Light-load just starting up from a stop 
A)  Heavy-load lower speed 
B)  Light-load higher speed 
C)  Heavy-load just starting up from a stop 
D)  Light-load just starting up from a stop

Question 7

Disconnect the _______ from the transmission when adjusting the linkage and/or range sensors.

Accepted Answer

A)  Battery positive terminal 
B)  Steering linkage 
C)  Shift linkage 
D)  Starter motor 
A)  Battery positive terminal 
B)  Steering linkage 
C)  Shift linkage 
D)  Starter motor

Question 8

Which of the following is a typical condition for torque converter lockup?

Accepted Answer

A)  Heavy-load low speed 
B)  Light-load high speed 
C)  Idle 
D)  None of the above 
A)  Heavy-load low speed 
B)  Light-load high speed 
C)  Idle 
D)  None of the above

Question 9

Which of the following is the typical routing of an external transmission fluid cooler?

Accepted Answer

A)  Cooler first then radiator 
B)  Radiator first then cooler 
C)  External coolers are installed to bypass the radiator 
D)  None of the above 
A)  Cooler first then radiator 
B)  Radiator first then cooler 
C)  External coolers are installed to bypass the radiator 
D)  None of the above

Question 10

When using an external transmission fluid cooler, the best practice is to run the transmission fluid through the external cooler first and then through the heat exchanger in the radiator.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is a type of flow in a torque converter?

Accepted Answer

A)  Rotary flow 
B)  Vortex flow 
C)  Spiral flow 
D)  All of the above 
A)  Rotary flow 
B)  Vortex flow 
C)  Spiral flow 
D)  All of the above

Question 12

Technician A states that if the transmission shift linkage is not adjusted properly, the transmission position indicator (PRNDL indicator) will not be set correctly. Technician B states that if the transmission shift linkage is not adjusted properly the backup or reverse lights may not work. 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 13

An Allison transmission comes in to the shop with ratio error codes for all gears. Tech A states that the transmission output shaft speed sensor could be faulty. Tech B states that the output shaft speed sensor can be checked with a DC voltmeter. 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 14

When turbine speed reaches around 90% of impeller speed, what is the torque multiplication in the torque converter?

Accepted Answer

A)  1:01 
B)  2:01 
C)  1:02 
D)  3:01 
A)  1:01 
B)  2:01 
C)  1:02 
D)  3:01

Question 15

Technician A says that fluid flows from the cooler into the converter. Technician B says that fluid flows from the converter into the cooler. 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 16

Typically, when turbine speed reaches 90% of impeller speed, what is the torque multiplication in the torque converter?

Accepted Answer

A)  1:01 
B)  2.5:1 
C)  4:01 
D)  None of the above 
A)  1:01 
B)  2.5:1 
C)  4:01 
D)  None of the above

Question 17

Technician A says that the torque converter is mounted between the transmission and the drive shaft. Technician B says that the torque converter is located between the engine and the transmission. 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 18

What happens when the stator is unlocked?

Accepted Answer

A)  Vortex flow in the torque converter fluid is limited 
B)  Torque converter efficiency is reduced by preventing the stator from being in the way of the fluid flow 
C)  Torque multiplication in the torque converter is minimized or eliminated 
D)  Both A and C 
A)  Vortex flow in the torque converter fluid is limited 
B)  Torque converter efficiency is reduced by preventing the stator from being in the way of the fluid flow 
C)  Torque multiplication in the torque converter is minimized or eliminated 
D)  Both A and C

Question 19

Which of the following is the typical routing of an external transmission fluid cooler?

Accepted Answer

A)  The fluid cooler should be mounted before the radiator transmission heat exchanger 
B)  The fluid cooler should be mounted after the radiator transmission heat exchanger 
C)  The fluid cooler should be used to replace the radiator transmission heat exchanger 
D)  None of the above cooler routing is not important 
A)  The fluid cooler should be mounted before the radiator transmission heat exchanger 
B)  The fluid cooler should be mounted after the radiator transmission heat exchanger 
C)  The fluid cooler should be used to replace the radiator transmission heat exchanger 
D)  None of the above cooler routing is not important

Question 20

Technician A says that at stall speed, a lot of engine output is converted into heat that must be removed. Technician B says that excessive heat in transmission fluid can cause cavitation and fluid oxidation. 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

Exam 9: Torque Converter Principles

As the vehicle begins to move from a stop, torque multiplication is minimal because there is a large difference between the speed of the impeller and the turbine.

Which of the following is an element of a single stage torque converter?

What tool below is commonly used to check that the neutral safety switch/transmission range switch has continuity on the correct terminals?

A torque converter should be balanced once reassembled and pressure tested.

Which of the following is not an element of a single stage torque converter?

Which of the following describes conditions for torque converter lockup?

Disconnect the _______ from the transmission when adjusting the linkage and/or range sensors.

Which of the following is a typical condition for torque converter lockup?

Which of the following is the typical routing of an external transmission fluid cooler?

When using an external transmission fluid cooler, the best practice is to run the transmission fluid through the external cooler first and then through the heat exchanger in the radiator.

Which of the following is a type of flow in a torque converter?

An Allison transmission comes in to the shop with ratio error codes for all gears. Tech A states that the transmission output shaft speed sensor could be faulty. Tech B states that the output shaft speed sensor can be checked with a DC voltmeter. Who is correct?

When turbine speed reaches around 90% of impeller speed, what is the torque multiplication in the torque converter?

Technician A says that fluid flows from the cooler into the converter. Technician B says that fluid flows from the converter into the cooler. Who is correct?

Typically, when turbine speed reaches 90% of impeller speed, what is the torque multiplication in the torque converter?

Technician A says that the torque converter is mounted between the transmission and the drive shaft. Technician B says that the torque converter is located between the engine and the transmission. Who is correct?

What happens when the stator is unlocked?

Which of the following is the typical routing of an external transmission fluid cooler?

Technician A says that at stall speed, a lot of engine output is converted into heat that must be removed. Technician B says that excessive heat in transmission fluid can cause cavitation and fluid oxidation. Who is correct?

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