Question

Technician a says that in a self-energizing brake, the rotation of the drum decreases the braking force of the lining against the drum. technician b says that the force of the brake drum is added to the force supplied by the wheel cylinder. who is correct?

O A only
O B only
O Both A and B
O Neither A nor B

Answer 1

Step-by-step explanation:

Technician B is correct.

Adjusting the service brakes before adjusting the parking brake is a common practice because the service brakes are typically adjusted first to ensure proper functioning and safety. Technician A is correct in this regard.

Technician B is also correct in suggesting to clean the threads of the adjusting nut before adjusting the parking brake. Clean threads can ensure smooth and accurate adjustments without interference from dirt or debris. This step is essential to make sure the adjustment is precise and effective.

So, the correct answer is:

O Both A and B