Numbers
Air Brakes
General Knowledge
Passenger
School Bus
100

This is the minimum pressure when you get the Low Pressure Warning.

What is 60 psi?

100

This is what controls your Service brakes.

What is the Brake Pedal?

100

You license will be suspended for this long for your first conviction of too much alcohol/drugs in your blood.

What is 1 year?

100

You can see a wider view with this type of mirror. 

What is a convex mirror?

100

This is how big the danger zone is all around the school bus.

What is 15 feet?

200

You will be out-of-service if your steering wheel has this many degrees (or more) of play. 

What is 10 degrees?

200

This device turns the air compressor on and off.

What is the Governor?

200

This causes brake fade. 

What is too much heat?

200

This is what you should do if someone wants to bring a car battery on your bus. 

What is not allow them to do it?

200

You must be at least this old to drive a school bus. 

What is 21 years old?

300

This many cracked or broken leaves in any leaf spring assembly will cause you to go out-of-service.

What is 25% or 1/4?

300

This helps reduce the chance of ice in an air brake system.

What is the Alcohol Evaporator?

300

You should look ahead this many seconds. 

What is 12-15 seconds?

300

This is the primary use for the overhead inside rearview mirror.

What is - see the passengers?

300

These are the mirrors that can see across the front of the bus. 

What are the cross view mirrors?

400

A passenger vehicle must stop this many feet before a railroad crossing.

What is 15-50 feet?

400

This is the most common type of foundation brake.

What is the S-cam?

400

This should be increased when you are being tailgated. 

What is following distance?

400

This is the maximum weight of 1 class of hazardous material a bus can carry.

What is - 100 pounds?

400

This is a type of railroad crossing that has no traffic control device. 

What is a Passive Crossing?

500

A school bus must put on the alternate flashing amber lights this many feet before the bus stop.

What is 300 feet?

500

Coming down a long mountain, this is a good technique to reduce the chance of Brake Fade.

What is the engine braking technique?

500

For your first violation at a railroad crossing you will lose your license for this long. 

What is 60 days?

500

A passenger vehicle must stop this many feet before a drawbridge.

What is 50 feet?

500

This is how much containment space you need to completely clear the railroad tracks.

What is - the length of the bus plus 15 feet?