Question

The efficiency of a centrifugal pump is maximum when its blades are:

• A. Bent forward
• B. Bent backward
• C. Bent forward first and then backward
• D. Bent backward first and then forward

Answer 1

Answer:

B. Bent backward

The efficiency of a centrifugal pump is highest when its blades are bent backward. Backward-curved vanes are commonly used as they operate at higher efficiency than forward-curved vanes.