railway RRB JE (CBT I + CBT II) Mock Test 2024 Power Engineering Air and Gas Compressors Reciprocating Compressors
Consider the following statements:
1) Stalling is the separation of flow from the blade surface.
2) Surging leads to physical damage due to impact loads and high-frequency vibration.
3) Mass flow rate is minimum if choking occurs.
Which of the above statements are correct?1
1, 2 and 3
2
1 and 3 only
3
1 and 2 only
4
2 and 3 only