Top 150+ Solved Pumps MCQ Questions Answer
Q. The primary selection tool is called as
a. Pump curve
b. Speed curve
c. Power curve
d. Fluid curve View Answer
Q. Voids are created due to
a. Reaction ratio
b. Pressure ratio
c. Liquid free layers
d. Volumetric layers View Answer
Q. Cavitation usually occurs due to the changes in
a. Pressure
b. Temperature
c. Volume
d. Heat View Answer
Q. Degree of reactions are most commonly used in
a. Turbomachinery
b. Pressure drag
c. Aerodynamics
d. Automobiles View Answer
Q. At high pressure, the voids can generate
a. Drag force
b. Mass density
c. Shock waves
d. Flow speed View Answer
Q. Voids that implode near metal surface develops a
a. Drag force
b. Cyclic stress
c. Shock waves
d. Flow speed View Answer
Q. Internal cavitation occurs due to
a. Drag force
b. Cyclic stress
c. Shock waves
d. Flow speed View Answer
Q. The velocities of the blade angles can be found out using
a. Mach number
b. Froude’s number
c. Velocity triangles
d. Reynolds number View Answer
Q. Hydrodynamic cavitation is due to the process of
a. Vaporisation
b. Sedimentation
c. Filtration
d. Excavation View Answer
Q. The process of bubble generation leads to
a. High temperatures
b. High pressures
c. High energy densities
d. High volumetric ratio View Answer
Q. Reciprocating pump is a
a. Negative displacement pump
b. Positive displacement pump
c. Diaphragm pump
d. Emulsion pump
Q. What happens to the reciprocating pump when left untouched?
a. Efficiency decreases
b. Wear and tear
c. Surface expansion
d. Pressure change
Q. Reciprocating pumps operate by drawing into the chamber
a. Liquid
b. Pressure
c. Heat
d. Electricity
Q. The cylinder of reciprocating cylinder is made up of
a. Cast iron
b. Wrought iron
c. Aluminium
d. Copper View Answer
Q. The higher discharge valve line holds the discharge valve
a. Open
b. Closed
c. Stop functioning
d. Automatic View Answer