General Knowledge
Sleep debt.
The cumulative effect of not getting enough sleep.
During normal driving spring brakes are usually held back by
Air pressure
Bulkheads
Some liquid tanks are divided into several smaller tanks.
What percentage do you need to pass General knowledge and Air Brakes?
80%
How far ahead are low beams/high beams good for?
Low beams 250 ft High beams 500 ft
GVW
The total weight of a single vehicle including its load.
Safety Valve
Set to automatically reduce pressure at 150 psi.
Converter Dollies
Yellow malfunction lamp on the left side of the dolly.
Convex curved mirrors
Show a wider area than flat mirrors.
Caging a brake chamber
Disabling the spring brake for emergency or repair.
Triangles for parking on a two lane road.
100 ft in front. 10 ft behind and 100 ft behind.
Brake drums should not have cracks greater than
1/2 the width of the friction area
If you go twice as fast, your stopping distance will increase by
Four time.
Correcting a drive wheel acceleration skid
Stop accelerating.
Checking your slack adjusters
Park on level ground, chock the wheels, release the parking brake, with gloves pull on the slack adjuster and it should not have more than 1 inch of play.
Stab Braking
Involves releasing the brakes only after the wheels lock up.
Air brake lag distance at 55 mph on dry pavement.
32 ft
Dangers of crossing a railroad track on dirt roads
You could get hung up halfway while crossing the tracks.
Two main things to look for ahead while driving
Traffic and road conditions.
Bridge formulas permit
Less maximum axle weight for axles that are close together
When should you downshift an automatic transmission?
When going down grades.
Maximum air loss rate for a combination vehicle with the engine off, and the brake released.
3 psi
Why are placards used?
To communicate the risk.
Counter steering
Turning the wheel back in the other direction after steering to avoid a traffic emergency
Smith 5 Keys
Aim high in steering
Get the big picture
Keep your eyes moving
Leave yourself an out
Make sure they see you