Top 1000+ Solved Fluid Mechanics (FM) MCQ Questions Answer
Q. Which among the following is not a centrifugal pump?
a. Sand pumps
b. Froth pumps
c. Slurry pumps
d. Energy pumps View Answer
Q. Centrifugal pumps work under the same principle, but differ in their
a. Working
b. Functions
c. Dimensions
d. Impeller View Answer
Q. If we raise the liquid level in the suction vessel, cavitation
a. Increases
b. Decreases
c. Same
d. Independent View Answer
Q. Magnetic coupled pumps are also called as
a. Series pumps
b. Parallel pumps
c. Froth pumps
d. Drive pumps View Answer
Q. When we change the pump, the cavitation
a. Increases
b. Decreases
c. Same
d. Independent View Answer
Q. If we reduce the motor rpm in an impeller, cavitation
a. Increases
b. Decreases
c. Same
d. Independent View Answer
Q. Decreasing the diameter of the eye of the impeller, cavitation
a. Increases
b. Decreases
c. Same
d. Independent View Answer
Q. There will be leakage only if there is
a. High pressure
b. High temperature
c. Froths are generated
d. Casing breakage View Answer
Q. When a pump casing is filled with liquid before it is started, it is called as
a. Adiabatic expansion
b. Priming
c. Adiabatic compression
d. Isentropic expansion View Answer
Q. The pump will become incapable of pumping in case of
a. Gas bounding
b. Throttle bush
c. Stuffing box
d. Casing breakage View Answer
Q. Priming is needed when impeller cannot impart enough
a. Draft speed
b. Energy
c. Pressure
d. Heat View Answer
Q. Centrifugal pumps are located the level of source
a. Below
b. Above
c. Parallel with
d. Series with View Answer
Q. A pump that can evacuate air is called as
a. Series pumps
b. Self priming pumps
c. Froth pumps
d. Drive pumps View Answer