CDL MCQ: May 2020

Answer: Approach the corner about 4 ft from the curb or right edge of the roadway, then if necessary complete the turn in the center of the street entered

Every trailer must have how many reflectors on the rear

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Every trailer must have how many reflectors on the rear

Answer: Two

When backing a large truck you should

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When backing a large truck you should

Answer: Have some one guide you

Color of the clearance lamps on the front of a vehicle must be

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Color of the clearance lamps on the front of a vehicle must be

Answer: Amber

You are driving a new truck with a manual transmission, what gear will you have to use to take a long steep downgrade hill?

Which of these is a danger when crossing railroad tracks on a dirt road?

You will know the vehicle you are driving has antilock brakes by?

The engines braking is in greatest affect when the engine is _____ governed rpms and the transmission is in _____ gears.

When starting to move up a hill from a stop you should?

To stay alert while driving yo should?

How does weight affect stopping?

To avoid a crash you swerved to the right, you are now driving on the shoulder and traveling 40mph how should you get back on the pavement?

When braking your vehicle for an emergency stop with a vehicle that has antilock brakes on all axles you should?

Which of these statements about backing up a heavy vehicle is not true?

What happens to tar on road pavement in hot weather?

When is it necessary to learn how a fire extinguisher works?

Which of these is not an issue when a automatic transmission is forced into a lower gear at a high speed?

If you have a heavy load that is slowing you down on an upgrade hill you should?

Most skids are caused by?

You must park on the side of a four lane highway, where should you place your triangle reflectors?

A round black on yellow warning sign means?

When driving through highway work zones, you should?

When should you wear a seatbelt in a vehicle?

When confronted by an aggressive driver the first thing you should do is?

Your vehicle has hydraulic brakes. While traveling on a level road, you press the brake pedal and find that it goes to the floor. Which of these statements is true?

How do you correct a rear wheel axle skid?

You are checking your tires for a pre trip inspection. Which of these statements is true?

What do not provide extra gears in a semi?

If you don't know what to use to put out a hazardous fire you should?

You are driving on a two lane road and oncoming traffic drifts into your lane and is headed straight for you, what's your best option?

If you do not have a hazmat certification on your license you can haul hazardous material if?

Hydroplaning is more likely if?

What is the first thing you should do when your brakes fail going down a hill?

The height from the ground for mounted reflectors must be at least:

A vehicle in which explosives are hauled meets a requirement of State Law if:

On vehicles requiring reflectors, these reflectors must be mounted not less than 24 inches or more than:

Generally if the trailer and the combination is 3,000 pounds or less, the combination must be able to stop with in __ feet when traveling 20 MPH.

Surge or intra brake systems may be used on trailers and semitrailers with a gross weight of:

Every motor vehicle, trailer, semitrailer, pole trailer and combination of such vehicles equipped with brakes shall have the braking system so arranged that brakes are opressed by:

Trucks manufactured or assembled prior to made year 1960 are required to have at least:

You may be required to unload to the limit required by the law if the gross weight of your vehicle if found to exceed the maximum gross weight allowed by law and a tolerance of:

In addition to vehicular hazard warning lights, every farm tractor and self-propelled unit of farm equipment or implement manufactured or assembled after 1/1/1972 shall be equipped with:

This emblem is now a requirement for those slow-moving vehicles designed to operate at a maximum speed of:

When operated in a truck tractor and semitrailer combination may not exceed:

When transporting loose materials, the top of the load must by covered securely to prevent escape of materials by:

Vehicles and trailers with metal tire must obtain a special permit if the weight:

Unless by special permission no vehicle may carry a load extending more than:

Unless by special permission no vehicle may carry a load extending more than:

The top speed for heavy trucks on the open highway in the daytime is:

When mud flaps are required on trucks or trailers, they must reach how close to the surface:

Drivers of heavy trucks must have in their possesion or on the truck

The greatest length allowed by State Law for a single vehicle is:

Which vehicle is not required to have mud-flaps

Hazard warning signal lights must be immediatley activated by any truck, bus, truck tractor, trailer, semitrailer, or pole trailer (outside city limits) if it is parked upon a roadway or adjacent shoulder is such vehicle is___ inches more in width or ___ feet or more in overall length.

Clearnce lights are required by State Law for trucks or buses, the width is:

The top speed limit for motor buses on U.S. or State highways at night is:

Commercial operators have:

To legally drive a taxicab for the purpose of hauling passengers for hire or fare, the driver must hold a valid Tx Chauffers license and be at least:

The greatest weight allowed by State Law for any vehicle carrying a load is:

When one truck is following another truck or vehicle it must keep far enough back for

Before going down a steep grade with a heavy vehicle you should:

The greatest height allowed by State Law for a vehicle including its load is:

The top speed limit for heavy trucks on the open highway at night is:

Clearance lamps mounted on the rear or on the side near the rear a vehicle must be what color:

It is unlawful for the operator of which of the following motor vehicles to change gears while actually crossing the tracks of an uncontrolled railroad grade crossing:

It is unlawful to operate any motor vehicle on a highway with:

Vehicle that is required by State Law to carry a chemical type fire extinguisher:

The purpose of requiring registration papers on trucks at all times is to show:

Trailers and semitrailers must have brakes that can be applied by the driver when the gross weight reaches

The first thing the driver of a disabled truck or bus should do is:

When going downhill with a heavy vehicle, it is unlawful to:

The top speed limit for pick-up truck on the U.S or state highway in the daytime is:

Unless exempt by law, all rented or leased commercial vehicles must:

When towing another vehicle with a chain or cable what color flag must be attached to the chain:

When is it necessary to put flares around the truck, one must be placed beside the truck, the other two must be placed:

School bus drivers must be at least

The lease agreement, when a commercial vehicle has been leased to another for operation must be filed with:

When a load extends 4 ft or more over the rear of a vehicle, what color flag must be attached to the extreme end of the extension if driving in the daytime

The engines braking is in greatest affect when the engine is _ governed rpms and the transmission is in _ gears.

Hazard warning signal lights must be immediatley activated by any truck, bus, truck tractor, trailer, semitrailer, or pole trailer (outside city limits) if it is parked upon a roadway or adjacent shoulder is such vehicle is_ inches more in width or _ feet or more in overall length.