Missouri CDL Tank 1 - DMV Written Test Questions with Answers - MCQGeeks.com

Q.1

Emergency equipment, such as fire extinguishers, are:

Only needed in vehicles transporting hazardous materials.
Only needed for interstate travel.
Required in all commercial motor vehicles.

Q.2

When backing a trailer, you must turn the steering wheel:

In the direction you want the trailer to move.
In the direction opposite of where you want the trailer to move.
To the left until backing is complete.

Q.3

A broken exhaust system:

Can allow poisonous fumes to enter the cabin.
Does not cause problems.
Should not be a concern.

Q.4

An improperly placarded vehicle:

May never be moved.
May only be moved in an emergency.
May be driven if the cargo is not radioactive.

Q.5

In a double or triple combination, the ____ trailer should be directly behind the cab.

Lightest
Heaviest
Smallest

Q.6

When conducting a check of the engine compartment during a vehicle inspection, you should not:

Check the engine oil level.
Check the coolant level.
Drain the brake fluid.

Q.7

More than half of all accident-related truck driver deaths are caused by:

Rollovers.
Slippery roads.
Other drivers.

Q.8

Rough acceleration:

Is recommended.
Can cause mechanical damage.
Is required on slippery surfaces.

Q.9

In cool weather, as the temperature begins to rise and ice begins to melt:

It is usually safe to drive.
The road will become even more slippery.
Traction will increase.

Q.10

What is the Johnson bar?

A hand valve that works the trailer brakes
A valve that indicates the fuel level
A valve that limits the amount of cargo

Q.11

As part of the vehicle inspection test, a CDL applicant may be asked to:

Check the engine oil level.
Replace a tire.
Remove the alternator belt.

Q.12

Shaded areas of a road:

Usually don’t freeze.
Are usually blocked from all moisture, so they cannot freeze.
Will remain slick after ice has melted on other areas of the road.

Q.13

On any upgrade, gravity will:

Speed your vehicle up.
Slow your vehicle down.
Not impact your speed.

Q.14

How many daily hours of sleep does an adult need to maintain alertness?

Six to seven
Seven to eight
Eight to nine

Q.15

Lower the risk of jackknifing by:

Making sharp turns.
Braking abruptly.
Accelerating smoothly.

Q.16

You should not use your mirrors:

When changing lanes.
When making a turn.
To determine how fast you are traveling.

Q.17

If feeling tired while driving, it is best to:

Take a pep pill.
Get some rest.
Continue driving.

Q.18

If an aggressive driver is involved in a crash on the road ahead, you should:

Stop and confront the driver.
Stop a safe distance from the crash scene, wait for police to arrive, and tell them of the driver's behavior.
Block the driver in with your vehicle.

Q.19

Rearward amplification refers to:

The amount of noise projected to the rear of a vehicle.
The cause of the "crack-the-whip" effect.
The number of trailers that can be pulled by a tractor.

Q.20

Before operating a tank, a driver should:

Remove the rear shut-off valve.
Check vapor recovery kits, if applicable.
Remove a third of their fuel.

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