question_answer

A nozzle is said to have choked flow when

1. Discharge is maximum.

2. Throat velocity is sonic.

3. Nozzle exit pressure is more than the critical pressure.

4. Discharge is zero

Select the correct answer using the codes given below:

A) 1 only              

B) 1 and 2

C) 4 only              

D) 1, 2 and 3