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AUT 201 Week 3 Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Harsh-shifting transmission could be caused:

a)

if the line pressure is too low during normal cruising speeds

b)

when the line pressure is too high during normal cruising speeds.

c)

when the line pressure is too low during low cruising speeds

d)

when the line pressure is too high during high cruising speeds

2.

Technician A says that the throttle valve is controlled by a cable or linkage hooked to the engine throttle linkage. Technician B says that a misadjusted throttle valve cable can prevent wide-open throttle (WOT) on an engine. Who is correct?

a)

Tech A

b)

Tech B

c)

Both Tech A and B

d)

Neither Tech A or B

3.

When checking the effect of throttle pressure on line pressure, which of the following might you read on a properly operating transmission with the throttle valve closed?

a)

15 PSI

b)

50 PSI

c)

75 PSI

d)

200 PSI

4.

If the vacuum modulator's diaphragm becomes ripped, the customer may report that the vehicle shift is extremely delayed and harsh, often shifting only at the engine red line, regardless of the driving condition or throttle position.

a)

True

b)

False

5.

After leaving the automatic transmission's cooler, the transmission fluid is ready to enter the transmission lubrication circuit. Which parts are typically lubricated by this circuit?

a)

Clutches and front pump assembly

b)

Bushings and planetary gears

c)

Transmission pan and filters

d)

The torque converter and flexplate

6.

Technician A says to check the effect of throttle pressure on the boost valve, you do not need to disconnect the throttle cable or linkage. Technician B says to check the effect of throttle pressure on the boost valve, you need to connect a pressure gauge to the transmission line pressure test port.

a)

Tech A

b)

Tech B

c)

Both Tech A and B

d)

Neither Tech A or B

7.

Engine vacuum, atmospheric pressure and spring tension all work on the vacuum modulator diaphragm. Which of the following statements describes the action of these forces on the diaphragm?

a)

As manifold vacuum increases, it works with atmospheric pressure to stretch the spring, increasing modulator pressure

b)

As manifold vacuum decreases, the spring extends, increasing modulator pressure

c)

As atmospheric pressure changes, there is an inversely proportional change in modulator pressure

d)

As manifold pressure changes there is a directly proportional change in modulator

8.

Technician A says that when governor pressure on one side of a shift valve overcomes spring pressure and throttle pressure on the other side, an upshift occurs. Technician B says when reverse boost pressure on one side of the reverse valve overcomes governor pressure on the other side, shift into reverse occurs. Who is correct?

a)

Tech A

b)

Tech B

c)

Both Tech A and B

d)

Neither Tech A or B

9.

Which of these is least likely to cause harsh shifting during normal cruising speeds?

a)

High line pressure

b)

Low line pressure

c)

Broken or missing accumulator spring

d)

None of the above

10.

When does the kickdown valve force downshifts?

a)

Wide open throttle

b)

Three-quarters open throttle

c)

Half open throttle

d)

One-quarter open throttle

11.

Technician A states that the pump sends fluid out under pressure. This release of fluid creates line pressure. Technician B states that line pressure sent to the throttle valve is mostly exhausted to the transmission pan when the throttle is open and the vehicle is under load. Who is correct?

a)

Tech A

b)

Tech B

c)

Both Tech A and B

d)

Neither Tech A or B

12.

When the governor pressure becomes great enough to overcome the spring pressure and the modulator/throttle valve pressure in the 2-3 shift valve, line pressure is allowed to flow to:

a)

the 3rd gear clutch or band

b)

the 2nd gear clutch or band

c)

the 1st gear clutch or band

d)

the reverse gear clutch or band

13.

The pressure regulator valve keeps the pressure at a regulated level by exhausting excess pressure back to the ________.

a)

Pump

b)

Pipe

c)

Transmission pan

d)

Valve

14.

The automatic transmission's pressure regulator valve keeps the pressure at a regulated level by exhausting excess pressure back to the transmission pan.

a)

True

b)

False

15.

If a vehicle is coasting in third gear, governor pressure ________ as the vehicle speed drops, causing the 2-3 shift valve to move back to the downshift position.

a)

Equalizes

b)

Spikes

c)

Reduces

d)

Increases

16.

If vehicle speed decreases, governor pressure is reduced, resulting in the shift valve moving back to the downshift position.

a)

True

b)

False

17.

Automatic transmission line pressure that is sent to the governor is allowed to be exhausted back to the transmission pan when the vehicle is not moving and the governor is not creating any pressure.

a)

True

b)

False

18.

When the driver _______ the vehicle, the front pump draws fluid up from the transmission pan, through the filter, and into the pump.

a)

Starts

b)

Stops

c)

Speeds up

d)

Slows Down

19.

Technician A says when the vehicle is in the park position, line pressure is able to flow past the manual valve to any components in the transmission. Technician B says when the vehicle is in the park position, line pressure is not able to flow past the manual valve to any components in the transmission. Which technician is correct?

a)

Tech A

b)

Tech B

c)

Both Tech A and B

d)

Neither Tech A or B

20.

Which of the following pressures is not used in reverse, because there is only one speed available?

a)

Governor pressure

b)

Modulator pressure

c)

Throttle valve pressure

d)

All of the above