question_answer

What does choked flow through a steam nozzle mean?

1. Discharge is maximum

2. Discharge is zero

3. Throat velocity is sonic

4. Exit pressure is less than or equal to critical pressure

Select the correct answer using the code given below:

A) 1 only              

B) 2 only

C) 1 and 3 only                 

D) 1, 3 and 4