What is centrifugal pump? - Hydraulics & Pneumatics

Q.  Which of the following statements are true?

1. Bell housing connects motor and pump
2. Centrifugal pump is a non-positive displacement pump
3. Centrifugal pumps allow the back flow of fluid from delivery side to the suction side of the pump
4. The function of vent plug used in a reservoir is to flush out oil  
- Published on 14 Aug 15

a. 1, 2 and 4
b. 2, 3 and 4
c. 2 and 3
d. all of the above

ANSWER: 2, 3 and 4

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