Tennessee CDL Double 2 - DMV Written Test Questions with Answers - MCQGeeks.com

Q.1

What is traction?

Friction between the tires and road
Tires' rates of rotation
The length of time needed to activate the brakes

Q.2

If you are being tailgated, you should:

Drive on the shoulder.
Pull off the roadway.
Drive faster.
Allow the vehicle to pass.

Q.3

How is the parking brake released?

By tapping on the brake pedal three times
By pushing in the brake control knob
By engaging the accelerator
By tapping the accelerator twice

Q.4

A lightly-loaded combination vehicle will stop more slowly than a fully-loaded vehicle because:

The stiff suspension springs and strong brakes will have high traction.
The stiff suspension springs and strong brakes will have low traction.
The brakes only operate when a trailer reaches a minimum weight.
The suspension springs only operate when a trailer reaches a minimum weight.

Q.5

In a vehicle equipped with an automatic tractor protection valve, the valve will pop out when air pressure drops to a level between:

20 and 45 psi.
75 and 105 psi.
50 and 65 psi.

Q.6

If feeling sleepy while driving, you should:

Press on and finish the trip.
Drive faster to arrive to your destination sooner.
Leave the road and take a nap.
Take an energy pill.

Q.7

On a leaf spring, the leaves:

May be broken.
Are not required.
Should not be broken.
Should shift.

Q.8

If a truck is equipped, a trailer brake hand valve can be used to:

Add fuel to the truck.
Prevent the truck from rolling back when being started from a stop.
Check the engine oil level.

Q.9

When testing ____, you should apply your vehicle's brakes with the hand control while moving the vehicle forward slowly.

The Anti-Lock Braking System
The emergency braking system
The trailer service brakes

Q.10

How much space should be between the upper and lower fifth wheel?

About five inches of space
A maximum of two inches of space
No space

Q.11

In a vehicle with dual air brakes, a leak in one system ____ the second system.

Will always affect
May not affect
Is caused by

Q.12

Once the air tanks are at an air pressure level of 125 psi, the air compressor governor will:

Stop the compressor from pumping air.
Release air from the tanks.
Begin pumping air into the tanks.

Q.13

If something is found to be unsafe during a pre-trip inspection, you should:

Continue with the trip and make an appointment with a mechanic after the trip is completed.
Let a more experienced driver use the truck.
Get the issue fixed immediately.
Not use the items found to be unsafe, but may continue driving normally.

Q.14

Accelerating roughly is:

Encouraged at slow speeds.
Encouraged at all speeds.
Discouraged, as it may cause damage to the vehicle.
Discouraged, as it may confuse other drivers.

Q.15

An Anti-Lock Braking System (ABS) will:

Shorten your stopping distance.
Not change the way you apply the brakes.
Allow you to drive faster.

Q.16

Emergency equipment in a vehicle is:

Only required for vehicles that are transporting hazardous materials.
Only required during interstate travel.
Required.

Q.17

How should you brake if your vehicle's ABS is not working?

Brake normally, as you will still have functioning brakes.
Pump the brake repeatedly.
Press the brake pedal down as hard as you can.

Q.18

If you don't pull a dolly out from beneath the rear trailer before unlocking the pintle hook:

The tow bar may fly up.
The kingpin may break.
The brakes may become unlocked.

Q.19

Alcohol is removed from the body:

By exercising.
At a fixed rate.
More quickly if the person stays awake.

Q.20

Wheel rims that have been welded should:

Be placed in the front of the vehicle.
Be placed in the rear of the vehicle.
Be placed on dual tires.
Not be used.

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