General Knowledge
To prevent a load from shifting, there should be at least one tie-down for every how many feet of cargo?
What is 10 feet?
What does the air compressor governor control?
What is when the air is pumped into the air tanks?
Air line colors on a combination vehicle, emergency and service lines.
What is Red (Emergency) and Blue (Service)?
What is the purpose of a pre-trip inspection?
What is safety(and it the law)?
All commercial motor vehicles, and all parts of that vehicle, must carry
What is Registration papers?
At what Blood Alcohol Concentration (BAC) will you be placed out of service for 24 hours?
What is Any detectable amount ?
The vehicle must have a warning device which comes on when the air pressure in the service air tanks falls below:
What is at or above 60 PSI ?
The most common type of foundation brake found on heavy vehicles.
What is the S-Cam drum brakes?
What is the maximum allowable amount of play in a steering wheel?
What is No more than 2 inches or 10 degrees in a 20 inch steering wheel?
All school buses, buses, taxis, and other vehicles hauling passengers for hire or lease, must carry a chemical type fire extinguisher of at least ____________ capacity.
What is One Quart?
A first offense for driving a CMV under the influence of alcohol or drugs will cause you to lose your CDL for at least?
What is one year or 12 months ?
What are spring brakes held back by during normal driving?
What is Air pressure ?
Maximum space between the upper and lower fifth wheel after coupling.
What is None or Nothing?
The slack adjuster should have no more than ___ inch(es) of free play
What is 1 inch?
Turn signal indicators are required on all motor vehicles manufactured after the model year:
What is 1959?
According to the Commercial Driver’s License Manual, why should you limit the use of your vehicle’s horn?
What is, It may startle other drivers?
A straight truck air brake system should not leak at a rate of more than psi per minute with the engine off and the brakes released?
What is 2psi?
When should hand valve be used to park a combination vehicle?
What is Never?
Steer tires must have a minimum of ____ inch tread depth in all major grooves.
What is 4/32?
No combination of vehicles, other than a truck-tractor combination, may exceed:
What is 65FT?
If you break down on a level, straight, four-lane, divided highway, where should you place the reflective emergency triangles?
What is One 10 feet from the rear of the vehicle, one approximately 100 feet from the rear of the vehicle, and one about 200 feet from the rear of the vehicle?
How do you check the free-play in manual slack adjusters?
What is Park on level ground, chock the wheels, release the parking brakes and pull slack adjusters?
The air leakage rate for a combination vehicle engine off brakes off should be less how many psi per minute?
What is 3 PSI?
When performing your pre-trip inspection, brake linings must have a minimum of ___ inch of pad left.
What is 1/4?
The overall height ordinarily allowed by State law for a vehicle is:
What is 14ft?