Shifting and Operating Transmissions Flashcards
Downshifting early is a common error that may:
a. make it impossible to get into the next lower gear.
b. cause the clutch to burn out.
c. allow the engine to rev at a low level, possibly causing the vehicle to stall.
d. make the clutch to pop out forcefully.
A. Make it impossible to get into the next lower gear
In a manual transmission, the _________ controls what gear the transmission is in.
a. clutch
b. accelerator
c. shift lever
d. brake pedal
C. Shift lever
Proper, smooth shifting is important because if you shift before your vehicle is ready,:
a. your entire tractor-trailer may jerk forward.
b. your drive wheels may lock up momentarily.
c. you could lose control of your vehicle.
d. all of the above
D. All of the above
The purpose of upshifting is to:
a. match road speed with engine power.
b. allow the vehicle to increase speed.
c. slow down the vehicle.
d. transfer power from the transmission to the engine.
B. Allow the vehicle to increase speed
What actions negatively impact your vehicle’s fuel economy?
a. Sitting in too low of a gear (causes the motor to bog down)
b. Using double clutching (causes the RPMs to drop too low)
c. Downshift too early (causes the RPMs to jump up)
d. Using heel-toe acceleration technique (causes the gears to slip)
C. Downshift too early (causes the RPMs to jump up)
What does an automatic transmission use to change gears?
A. Torque converter
B. Range control lever
C. Lever or button
D. Both A and C
C. Lever or button
What is the primary difference between a manual and semiautomatic transmission?
a. The top gears automatically change in a manual transmission
b. A semiautomatic transmission does not use a clutch and gearshift lever
c. The top gears automatically change in a semiautomatic transmission
d. A manual transmission uses electronic controls to help you shift
C. The top gears automatically change in a semiautomatic transmission
When double clutching is done correctly, and the RPMs are matched during the shift,:
a. it gives you time to determine what gear comes next.
b. it enables you to get in a rhythm with the engine.
c. it helps you wait for the 500 RPM change before changing gears.
d. the gears do not grind.
D. The gears do not grind
When your vehicle reaches the maximum speed for a gear, you must:
A. Upshift
B. Downshift
C. Pump the brakes
D. Push the accelerator
A. Upshift
With an autoshift transmission, if the transmission is in the drive position:
a. you will use a button control to shift through all gears.
b. it will shift gears as needed based on speed and load.
c. only the top gears will automatically change.
d. none of the above.
B. It will shift gears as needed based on speed and load
