Single stage centrifugal pump
Gear pump
Screw pump
Duplex/triplex reciprocating pump
✅ The correct answer is option D.
Fluid Mechanics MCQs
Which of the following two quantities when same, makes one pipe system equivalent to another pipe system?
Head & discharge
Length & discharge
Length & diameter
Friction factor & diameter
✅ The correct answer is option A.
For motion of spherical particles in a stationary fluid, the drag co-efficient in hindered settling compared to that in free settling is
More
Less
Equal
More or less, depending on the type of particle
✅ The correct answer is option A.
What is the value of Fanning friction factor f ‘ for smooth pipe at NRe = 10⁶ approximately?
0.003
0.01
0.1
0.3
✅ The correct answer is option A.
In fluid flow, cavitation is caused, if the
Fluid velocity decreases to zero
Total energy decreases
Both A and B
Flow pressure approaches its vapor pressure at the prevailing temperature
✅ The correct answer is option D.
One dimensional flow implies
Flow in a straight line
Steady uniform flow
Unsteady uniform flow
A flow which does not account for changes in transverse direction
✅ The correct answer is option D.
Venturimeters, orificemeters and nozzles are used to measure the fluid discharge from a pipeline. The average fluid velocity in a pipeline can be measured by a/an
Weir
Hot wire anemometer
Cup and vane aneometer
None of these
✅ The correct answer is option B.
Open channel liquid flow is most conveniently measured by a
Hot wire anemometer
Notch
Rotameter
Segmental orifice
✅ The correct answer is option B.
Paper pulp is an example of __________ fluid.
Dilatant
Bingham plastic
Newtonion
Pseudoplastic
✅ The correct answer is option B.
A venturimeter can not be used for the direct measurement of
Datum difference in the stretch of pipeflow
Pressure difference in the flow throughpipeline
Friction loss in pipe flow
All of the above
✅ The correct answer is option D.