Explain about mechanical, hydraulic and pneumatic brakes

For a band brake, the width of the band for a drum diameter greater than 1m, should not exceed

What are various types of brakes? I am not satisfy give downvote..

Technician A says that a hard brake pedal on a vehicle with disc brakes can be caused by air in the hydraulic system. Technician B says that a pulsating pedal on a vehicle with disc brakes can be caused by a restricted brake line. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor B.

An aircraft hydraulic braking system is designed as a double redundant parallel system, with two components with reliability of 0.95, and 0.87 respectively. What is the total system reliability? a. 0.827 b. C. d. 0.994 1.820 0.910

Name the two methods of attaching brake lining materials to the brake shoes.

Which of the following statements about drum brake shoes is not true? a. Linings may be riveted or bonded to the shoes. b. Shoe indentions hold the shoe in place against the backing plate. c. The shoe rim supports the shoe lining. d. The primary/leading shoe is typically the one that is positioned toward the front of the vehicle.

Explain how a duo-servo brake assembly works to provide greater braking compared to leading and trailing shoes. (20-40 Words)

Name three reasons for considering the use of pneumatics instead of hydraulics

While discussing how to remove the piston from a brake caliper: Technician A says that the dust boot should be removed, then a large dull screw-driver should be inserted into the piston groove to pry the piston out. Technician B says that air pressure should be injected into the bleeder screw’s bore to force the piston out of the caliper. Who is correct?