Top 1000+ Solved Fluid Mechanics (FM) MCQ Questions Answer
Q. Specific speeds are used in pumps to determine
a. Temperature
b. Reaction speed
c. Suction specific speed
d. Wheel speed
Q. The tube at the exit of the nozzle increases the
a. Temperature
b. Pressure
c. Volume of the flow
d. Density of flow
Q. Specific speed is used to characterize
a. Turbomachinery speed
b. Flow speed
c. Energy flow
d. Heat generated
Q. What helps in categorizing the impellers?
a. Quasi static number
b. Rotor
c. Height of draft tube
d. Pump
Q. Imperial units is defined as
a. Temperature by pressure
b. Tail race and head race
c. Revolutions per minute
d. Turbine performance
Q. Ratio of pump or turbine with reference pump or turbine is called as
a. Efficiency
b. Performance
c. Heat generated
d. Relative velocity
Q. Low specific speed in hydraulic head is developed due to
a. Mass flow rate
b. Increase in temperature
c. Centrifugal force
d. Increase in pressure
Q. Specific speed develop a hydraulic flow through the centrifugal pumps.
a. True
b. False
c. none
d. none
Q. Specific speed is the speed of the turbine which is similar to its
a. Temperature difference
b. Pressure difference
c. Aspect ratio
d. Speed of rotor
Q. Specific speed develops a unit power under a unit
a. Temperature
b. Pressure
c. Volume of the flow
d. Head