ELDT ELDT - Entry Level Driver Training Shifting and Vehicle Control Questions and Answers

Question 1

When should a driver downshift a manual transmission CMV?

Accepted Answer

Before entering a curve or hill

Answer

After entering a curve

Answer

Only when coming to a complete stop

Answer

At any time during normal driving

Question 2

What is double clutching and why is it used in heavy trucks?

Accepted Answer

Releasing and re-engaging the clutch while moving through neutral to synchronize gear speeds

Answer

Pressing the clutch twice to engage the starter

Answer

Using the clutch to slow the vehicle without brakes

Answer

A technique to engage the PTO

Question 3

What happens if a driver tries to downshift at too high a speed in a manual transmission truck?

Accepted Answer

The engine will over-rev and transmission damage can occur

Answer

The transmission will automatically skip to a lower gear

Answer

The air brakes will engage

Answer

Nothing — the transmission prevents it

Question 4

What does the term 'stall speed' mean in the context of automatic transmissions in CMVs?

Accepted Answer

The speed at which the torque converter stops transferring power efficiently

Answer

The RPM at which the engine shuts off

Answer

The minimum speed needed before shifting out of first

Answer

The RPM limit for park engagement

Question 5

Why is it important to use the proper gear when starting on an uphill grade?

Accepted Answer

To avoid rolling back and maintain enough power to move forward

Answer

To prevent radiator overheating

Answer

To engage the PTO at the correct RPM

Answer

To allow the air compressor to build pressure

Question 6

What is the recommended technique for shifting a 10-speed manual transmission truck from 5th to 6th gear (the split)?

Accepted Answer

Use the splitter switch to go from low to high split while near the shift point

Answer

Use the clutch and shift lever simultaneously with extra force

Answer

Toggle the range selector to high range while in neutral

Answer

Apply the brakes briefly to slow engine RPM