question_answer

Consider the following statements regarding the fluid coupling:

1. Efficiency increases with increase in speed ratio.

2. Neglecting friction the output torque is equal to input torque.

3. At the same input speed, higher slip requires higher input torque.

Which of these statements are correct?

A) 1, 2 and 3                     

B) 1 and 2

C) 2 and 3            

D) 1 and 3