Which of following are the beneficial effects of air vessel fitted to delivery side of a reciprocating pump? 1. Constant rate of discharge can be ensured 2. Power consumption can be reduced 3. Discharge can he increased 4. Constant velocity of the piston can he ensured. Select the correct answer using the codes given below:

Which of following are the beneficial effects of air vessel fitted to

1.	Which of following are the beneficial effects of air vessel fitted to delivery side of a reciprocating pump? 1. Constant rate of discharge can be ensured 2. Power consumption can be reduced 3. Discharge can he increased 4. Constant velocity of the piston can he ensured. Select the correct answer using the codes given below:
A.	1 and 4
B.	1 and 2
C.	2 and 4
D.	1 and 3
Answer» C. 2 and 4

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