651. For the transfer of solution of thick slurry, the pump used is a __________ pump.
Reciprocating
Gear
Diaphragm
Centrifugal
✅ The correct answer is option C.
Fluid Mechanics MCQs
652. Acceleration head in a reciprocating pump
Increases the work done during delivery stroke
Decreases the work done during suction stroke
Does not change the work requirement of the pump
Increases the work done during suction stroke
✅ The correct answer is option C.
653. Steady uniform flow is represented by flow through a/an
Long pipe at constant rate
Long pipe at decreasing rate
Expanding tube at constant rate
None of these
✅ The correct answer is option A.
654. Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of __________ pressure.
Small differential
Atmospheric
Absolute
Gage
✅ The correct answer is option A.
655. The exit cone angle in case of a standard venturimeter is __________ the entrance cone angle.
Smaller than
Greater than
Equal to
Either A or B
✅ The correct answer is option A.
656. Which of the following assumptions enables the Euler’s equation of motion to be integrated?
The fluid is incompressible
The fluid is non-viscous
The continuity equation is satisfied
The flow is rotational and incompressible
✅ The correct answer is option A.
657. Which of the following equations as suggested by Colebrook and White gives the increase in roughness of a new surface (ε0) with age/time (t) (where, ε = roughness of the surface after time’t’. α = a co-efficient to be experimentally determined)?
ε = ε0 + α.t
ε = ε0 + α.t²
ε = ε0 + α.t³
ε = ε0 + α.t⁴
✅ The correct answer is option A.
658. Diaphragm valves are used for handling __________ fluids.
Corrosive
Viscous
Non-Newtonion
Solid suspended
✅ The correct answer is option A.
659. Steady non-uniform flow is exemplified by flow through a/an
Long pipe at constant rate
Long pipe at decreasing rate
Expanding tube at increasing rate
Expanding tube at constant rate
✅ The correct answer is option D.
660. The uniformity of a gas fluidised bed depends upon the __________ of the solid particles.
Size
Surface properties
Both A and B
Neither A nor B
✅ The correct answer is option C.