Texas commercial vehicles
General knowledge
Air
Brakes
Passenger
School Bus
100

All motor vehicles, trailers, semitrailers, or pole trailers manufactured after year ___ must be equipped with electrical turn signal lights. 

A. 1969

B.1972

C.1948

D.1959

D. 1959

100

Whenever you stop for a break during your trip, you should

A. Call in and check with dispatch 

B. Check critical items such as the tires, brakes, and cargo tie-downs 

c. Check critical items such as the windshield wipers, heater, and defroster 

A. Check critical items such as the tires, brakes, and cargo tie-downs. 

100

Oil and water usually collect in compressed air tanks, if you do not have an automatic tank drain, when should you drain the air tanks? 

A. After every four hours of service 

B. After every working day

C. Once a week 

B. After every working day 

100

You must stop your bus between: 

A. 15 to 50 feet before a railroad crossing 

B. 5 to 10 feet before a railroad crossing 

C. 20 to 25 feet before a railroad crossing 

D. No answers are correct 

A. 15 to 50 feet before a railroad crossing 

100

What do the red flashing lights on an eight-light system bus signify to other drivers?

A. The school bus is stopped for a red light

B. The school bus is stopped for a train crossing 

C. The school bus is stopped because it is broken down 

D. The school bus stopped to pick up or discharge pupils  

D. The bus is stopped to pick-up or discharge pupils 

200

You just stopped your CMV on the shoulder of a road. You must immediately activate your hazard warning lights if your CMV is at least ___ inches WIDE or at least ___ feet LONG.

A. 80; 40

B. 30; 80

C. 80; 30

D. 40; 80

C. 80; 30 

200

High beams should be:

A. Used whenever it is safe and legal to do so 

B. Turned on when an oncoming driver does not dim his or her lights 

C. Dimmed when you are within 100 feet of another vehicle 

A. Used whenever it is safe and legal to do so. 

200

What is the S-cam used for? 

A. To release the brakes

B. To test the slack adjusters 

C. To apply the brakes 

C. To apply the brakes 

200

You need to evacuate your bus in an emergency, passengers should be directed to a safe place no less than _____ feet from the bus. 

A. 75

B. 100

C.150

B. 100

200

While looking through the interior flat mirror the driver should have a clear view of? 

A. Approaching traffic 

B. All the students on board 

C. Open windows 

B. All the students on board 

300

When one vehicle is towing another, the connection must not be longer than ___ feet, and there must be a ___ flag attached to it. 

A. 15; Red

B. 15; White

C. 12 1/2; White 

D. 15; Yellow 

B. 15; White 

300

The safety release valve is located on the Air tanks and is used by? 

A. Pulling a hand valve 

B. Self0operated when the air pressure is above 150 PSI

C. Must be pulled after every working day 

B. Self-operated when the air pressure is above 150 PSI

300

which of the following makes the total stopping distance for air brakes longer than that for hydraulic brakes?

A. Perception distance

B. Reaction distance 

C. Brake lag distance 

C. Brake lag distance 

300

Off tracking of the rear wheels is affected by: 

A. Faster speed on turns and curves 

B. Sharper turns and curves 

C. Greater distance between the front and rear wheels 

D. All answers are correct

D. All answers are correct 

300

How far prior to a bus pick up location must the amber warning lights be turned on? 

A. 400 Feet

B. 200 Feet 

C. 300 Feet 

D. 300 Yards

B. 200 feet 

400

On an open road, maintain a following distance of at least ___ seconds.

A. 4

B. 3

C. 8

D. 5 

A. 4

400

Which of these is a proper use of vehicle lights and flashers?

A. Turning on your headlights during the day when visibility is reduced due to rain or snow 

B. Flashing your brake lights to warn someone behind you of a hazard that will require slowing down

C. Flashing your brake lights to warn someone behind you that you are going to stop on the road

D. All answers are correct  

D. All answers are correct 

400

The brake system that applies and releases the brakes when the driver uses the brake pedal is the : 

A. Emergency brake system

B. Service brake system

C. Parking brake system 

B. Service brake system 

400

Your bus is disabled. The bus, with riders aboard, may be towed or pushed to a safe place only: 

A. By another bus with its 4- way flashers on

B. By a tow truck with a GVWR of at least 27,0000 pounds 

C. If the distance is less than 1 mile 

D. If getting off the bus would be riskier for the riders

D. If getting off the bus would be riskier for the riders 

400

If an unruly student is threatening the safety of others how should you handle the situation? 

A. Move students to set closer to you 

B. Remove student from the bus immediately 

C. Pull bus to the side of the road and firmly explain the rules and regulation's to the unruly student 

C. Pull bus to the side of the road and firmly explain the rules and regulations to the unruly student 

500
If your towing a house trailer at night outside the city limits or on a divided highway, your vehicle must be equipped with


A. Three flares or three portable red emergency reflectors 

B. Two red flags 

C. Two flares or two portable red emergency reflectors 

D. Three flares and three portable red emergency reflectors 

A. Three flares or three portable red emergency reflectors 

500

Which of the following is a key steering component? 

A. Gear Box

B. Bearing Plate

C. Torque Rod

D. Leaf Spring 

A. Gear Box 

500

To make an emergency stop with air brakes, using the stab braking method, you should:

A. Pump the brake pedal rapidly and lightly

B. Brake as hard as you can, get off the brakes when the wheels lock, get back on the brakes when the wheels start rolling again 

C. Brake hard until; the wheels lock, and then get off the brakes for as much time as the wheels were locked

B. Brake as hard as you can, get off the brakes when the wheels lock, get back on the brakes when the wheels start rolling again.

500

When driving at more than 40 mph, what is the safe minimum following distance for ideal daytime conditions? 

A. One second for every 10 feet of vehicle length rounded upward 

B. One second for every 10 feet of vehicle length rounded plus one second 

C. Four seconds 

B. One second for every 10 feet of vehicle length rounded upward plus one second 

500

The school buses stop arm is to only be operated with the: 

A. Yellow warning and red warning lights 

B. Yellow warning lights

C. Red warning lights

D. Whenever the driver wants to stop traffic 

C. Red warning lights