Top 150+ Solved Pumps MCQ Questions Answer
Q. What is the full form of PD?
a. Positive displacement
b. Pump displacement
c. Plunger displacement
d. Plunger direct View Answer
Q. Why can’t rotary pumps non-lubricate water?
a. Because it has lesser viscosity
b. Because it contains abrasive particles
c. Multistage pumps are difficult to operate
d. Draft tube is thin View Answer
Q. The maximum speed of reciprocating pump is
a. 20m/min
b. 30m/min
c. 40m/min
d. 50m/min View Answer
Q. The pump that uses a relatively smaller amount of liquid is called
a. Froth pump
b. Reciprocating pump
c. Double acting
d. Bicycle pump View Answer
Q. In which pump is the liquid in contact with both the sides of the plunger
a. Froth pump
b. Single acting
c. Double acting
d. Bicycle pump View Answer
Q. When a cylinder has inlet and outlet ports at each end, then it is called as
a. Double acting
b. Air lift pumps
c. Reciprocating pumps
d. Centrifugal pumps View Answer
Q. Turbomachines work under
a. Newtons first law
b. Newtons second law
c. Newtons third law
d. Kepler’s law View Answer
Q. The main function of nozzle is to
a. Varying temperatures
b. Pressure variations
c. Load variations
d. Heat variations View Answer
Q. When the piston moves forward, liquid is drawn
a. Into the cylinder
b. Away from the cylinder
c. Into the draft tube
d. Away from the draft tube View Answer
Q. In a reciprocating pump, with the change in discharge pressure,
a. The Volume delivered increases
b. The volume delivered decreases
c. Volume delivered remains the same
d. Volume delivered is independent View Answer
Q. The amount of fluid that leaks internally is called
a. Head race
b. Slip
c. Tail race
d. Internal friction View Answer
Q. For a good condition, slip should be_
a. Below 1 percent
b. 1 to 2 percent
c. 3 to 4 percent
d. Above 5 percent View Answer
Q. If the slip is above 5 percent, the pumps needs to be
a. Dragged
b. Overhauled
c. Retracted
d. Intermittent View Answer