You discover that your feed water pump is not delivering sufficient water. A possible cause is

You discover that your feed water pump is not delivering sufficient water. A possible cause is

a) the impeller is plugged
b) the suction lift is too low
c) the discharge head is not high enough
d) there is too much water in the pump
e) the foot valve is fully open







Answer: A

If a pump is running and has no discharge pressure, what will you do?

If a pump is running and has no discharge pressure, what will you do?

a) close the suction valve a little
b) open the lubrication valve
c) check the lubricant level
d) check to see if the suction valve is open
e) close the discharge valve




Answer: D

If pump speed is too high

If pump speed is too high

a) the driver may be overloaded
b) discharge pressure will be below normal
c) no liquid will be delivered
d) the pump will lose its prime after starting
e) there will be air or gas in the liquid





Answer: A

A plugged impeller symptom or result will be

A plugged impeller symptom or result will be

a) air leaks in suction line and stuffing boxes
b) wrong direction of rotation
c) loss of prime
d) an overheated stuffing box
e) no liquid being delivered




Answer: E