Characteristics of piston pumps - Hydraulics & Pneumatics

Q.  Which of the following statements are true?

1. piston pumps are self priming
2. piston pumps require high maintenance
3. piston pumps have low cost of production
4. piston pumps have low volumetric efficiency
- Published on 17 Aug 15

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

ANSWER: 1 and 2

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