Question:

When moment due to friction force aids in applying the brake, it is called____.

A.

simple block brake

B.

pivoted block brake

C.

self-locking brake

D.

self-energized brake

Answer» d. self-energized brake

Question:

In a simple band brake, when direction of rotation of drum is changed from counter clockwise direction, the braking torque____.

A.

remains unchanged

B.

is increased

C.

is decreased

D.

is unpredictable

Answer» b. is increased