Consider the following statements about reciprocating pumps:
1. In this discharge is fluctuating and pulsating.
2. It is meant for high discharge and small heads.
3. Cost of reciprocating pumps is higher than that of centrifugal pumps.
4. Efficiency of reciprocating pumps is lower than centnfugal pumps.
Which of the above statements are correct?

Q. Consider the following statements in context with centrifugual pumps :
1. Head developed is proportional to square of the speed of rotor.
2. Backward curved blade impellers are generally used in centrifugal pumps.
3. These pumps generally do require priming.
4. Multistage pumps would give higher discharge proportional to the number of stages.
Which of these statements are correct ?

Q. Consider the following statements about reciprocating pumps.
1. A reciprocating pump is a positive displacement pump.
2. One way valve is provided only in suction side
3. Multi cylinder pumping is employed to get more steady flow in the delivery pipe.
4. The area of indicator diagram of reciprocating pump, represents the work done by the pump.
Which of the above statements are correct?

Q. Discharge of centrifugal pump is

Q. The theoretical discharge from a reciprocating pump is $0.0125m^3/s$ and coefficient of discharge is 0.8. Then the value of percentage slip of the pump is: