Top 1000+ Solved Fluid Mechanics (FM) MCQ Questions Answer
Q. What does CPO stand for?
a. Centrifugal pump operation
b. Centrifugal part operation
c. Centrifugal pump output
d. Centrifugal part output View Answer
Q. Self priming pumps overshadow the function of
a. Self auxiliary device
b. Wear rate
c. Corrosion device
d. Cavitation device View Answer
Q. What is necessary for self priming to take place?
a. Draft tube
b. Pump casing
c. Suspended solenoids
d. Turbine head View Answer
Q. Centrifugal pumps with an internal suction stage are called as
a. Series pumps
b. Self priming pumps
c. Froth pumps
d. Drive pumps View Answer
Q. During normal working operation, the pump works like
a. Centrifugal pumps
b. Self priming pumps
c. Froth pumps
d. Drive pumps View Answer
Q. What is purpose of vent valve in a pump?
a. High pressure control
b. High temperature control
c. Froths are generated can be minimized
d. To prevent siphon action View Answer
Q. In hydraulic head, NPSH is used for the analysis of
a. Adiabatic expansion
b. Priming
c. Wear
d. Cavitation View Answer
Q. NPSH is the difference between
a. Suction pressure and vapour pressure
b. Vapour pressure and suction pressure
c. Suction pressure and heat
d. Shaft and head View Answer
Q. What can NPSH be used to determine
a. Friction characteristics
b. Pipe diameter
c. Cavitation
d. Thermal expansion View Answer
Q. The measure of how close the fluid is to the given point is called
a. Flashing
b. Darcy’s factor
c. Transfer temperature
d. Heizenberg’s factor View Answer
Q. NPSH is relevant
a. Outside the pumps
b. Inside the pumps
c. Away from the pumps
d. Series and parallel with the pumps View Answer
Q. With the increase in cavitation, the drag coefficient of the impeller
a. Increases
b. Decreases
c. Same
d. Independent View Answer
Q. What is positive suction head?
a. Draft tube is above
b. Pump pressure is above
c. Liquid level is above
d. Turbine head is above View Answer
Q. NPSHr is determined by using
a. Pump pressure
b. PumpLinx
c. Heat transfer
d. Chemical energy View Answer
Q. If we use two lower capacity pumps in parallel, cavitation
a. Increases
b. Decreases
c. Same
d. Independent View Answer