1. A brake commonly used in railway trains is (a) shoe brake (c) band and block brake 2. A brake commonly used in motor cars is (a) shoe brake (c) band and block brake 3. The material used for brake lining should have. (a) low (b) band brake (d) internal expanding brake (b) band brake (d) internal expanding brake coefficient of friction (b) high 4. When the frictional force helps to apply the brake, then the brake is said to be (a) self-energizing brake (b) self-locking brake 5. For a band brake, the width of the band for a drum diameter greater than 1 m, should not exceed (a) 150 mm (c) 250 mm (b) 200 mm (d) 300 mm