Air Brakes
If you do not have automatic tank drains, how often do you drain the air and water from the bottom of compressed air tanks?
At the end of each day of driving.
The line that all riders have to stand behind while the bus is moving.
What is a standee line?
The CDL Manual indicates the last step in picking up students at the bus stop is to:
Make a final check to confirm all traffic has stopped before opening the bus door and signaling students to approach.
Trailers and semi trailers must ordinarily have brakes that can be applied by the driver when the gross weight of the trailer exceeds:
What is 4,500 pounds
You are traveling down a long steep hill and your brakes get so hot that they fail. What should you do?
What is look for an escape ramp or an escape route
Modern air brake systems combine three different systems. What are they?
Service, parking and emergency braking system
Fire extinguisher, spare electrical fuses, reflectors
What is the three types of emergency equipment?
The blind spot behind the bus could extend up to ____ feet behind the bus.
What is 400 feet
All trailers or semi trailers must be equipped with clearance lamps, side marker lamps and side reflectors if their width is:
What is 80 inches or more
You are driving a 40-ft vehicle at 35 mph, the road is dry and visibility is good. What is the least amount of space you should keep in front of your vehicle to be safe?
What is 4 seconds
Reduces the risk of ice in air brake valves is cold weather.
What is an alcohol evaporator?
Anyone or anything that may cause an unsafe condition.
What is a hazard?
If your anti-lock braking stops working, you should:
Drive normally, and get the system serviced as soon as possible.
No combination of vehicles, other than a truck tractor-trailer combination, may exceed:
What is 65 feet
You do not remember driving the last few miles.
What is danger signal of drowsy driving?
Pressure you are applying to the brakes.
What is the application pressure gauge?
Charter bus drivers should NOT allow riders on the bus until
What is departure time?
The CDL manual indicates that hazard lights should be activated at least ____ feet before a railroad highway crossing.
200
The maximum number of trailers that may be towed by a commercial motor vehicle with an unloaded weight in excess of 2,500 pounds is:
What is 2 trailers?
Permit less maximum axle weight for axles that are close together.
What is bridge formula
Brake as hard as you can, release the brake when the wheels lock then put on brakes again when the wheels start rolling.
What is emergency stab braking?
You are driving on a slippery road during the day. How much space does the driver’s Manual say you should keep ahead of you?
What is allow “much more space” than needed for ideal driving conditions
When stopping at a highway-railroad crossing, drivers must stop no closer than ____ feet from the tracks.
15
All school buses, buses, taxis and other vehicles hauling passengers for hire or lease must carry a chemical type fire extinguisher of at least:
What is 1 quart capacity
Turning the wheel back in the other direction after steering to avoid a traffic emergency.
What is counter steering?