531. Existence of boundary layer in fluid flow is because of the
Surface tension
Fluid density
Fluid viscosity
Gravity forces
✅ The correct answer is option C.
Fluid Mechanics MCQs
532. Rubber latex is an example of __________ fluid.
Dilatent
Newtonion
Pseudoplastic
Bingham plastic
✅ The correct answer is option C.
533. Bernoulli’s equation describes the
Mechanical energy balance in potential flow
Kinetic energy balance in laminar flow
Mechanical energy balance in turbulent flow
Mechanical energy balance in boundary layer
✅ The correct answer is option A.
534. A mono pump is a __________ pump.
Centrifugal
Piston
Positive acting rotary
A group of vacuum
✅ The correct answer is option C.
535. Pressure drop in a packed bed for laminar flow is given by the __________ equation.
Kozney-Karman
Blake-Plummer
Leva’s
Fanning friction factor
✅ The correct answer is option A.
536. For an incompressible fluid, the bulk modulus of elasticity is
5 kg/m³
∞ N/m²
1 N
0 N/m
✅ The correct answer is option B.
537. A centrifugal pump is called a turbine pump, if it is having a
Turbine type impeller
Vaned diffusion casing
Rotating vaned volute
None of these
✅ The correct answer is option B.
538. The Navier-Stokes equation deals with the law of conservation of
Mass
Energy
Both A and B
Momentum
✅ The correct answer is option D.
539. Self-priming centrifugal pump can be used for
Booster service
Pumping liquid fertilisers (e.g. liquid NH₃)
Pumping industrial wastes
All of the above
✅ The correct answer is option D.
540. Toothpaste is a
Bingham plastic
Pseudoplastic
Newtonion liquid
Dilatent
✅ The correct answer is option D.