What is emergency stab braking?
a) Press hard on the brake pedal and apply full hand valve until you stop
b) Use light steady pressure on the brake pedal
c) Brake hard, release the brakes when the wheels lock, and reapply the brakes when the wheels start rolling
Answer: c) Brake hard, release the brakes when the wheels lock, and reapply the brakes when the wheels start rolling
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Air Brakes Endorsement
- If your truck's air compressor has its own oil supply, when should you first check the oil level?
- You are on a steep downgrade and have reached your "safe" speed of 40 MPH. You would apply the service brakes until your speed drops to ___ MPH.
- Truck and bus parking or emergency brakes must be held on by:
- What is emergency controlled braking?
- The air brake lag distance at 55 MPH on dry pavement adds about ___ feet to your stopping distance.
- During normal driving, spring brakes are usually held back by:
- The safety valve is usually set to reduce air pressure at ___ psi.
- Your truck has a properly functioning dual air brake system and minimum size air tanks. The air pressure should build from 85 to 100 psi within:
- The use of air brakes on a downgrade is only a supplement to the:
- When you apply the brakes, the brake shoes/linings are pressed against the:
- The application pressure gauge shows how much air pressure you:
- The important thing to do when a low air pressure warning comes on is:
- If your vehicle has an alcohol evaporator, it is there to:
- A truck with air brakes going 55 MPH would require a stopping distance of:
- Total stopping distance for vehicles with air brakes is longer than that for vehicles with hydraulic brakes due to ___ distance.
- Excessive use of the service breaks results in overheating, which can lead to:
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.