Potential
Streamline
Creep
Boundary layer
✅ The correct answer is option A.
Fluid Mechanics MCQs
What is the ratio of fluid carrying capacity of two pipes having diameters d₁ and d₂ respectively?
(d₁/d₂)0.8
(d₁/d₂)0.5
(d₁/d₂)
(d₁/d₂)2
✅ The correct answer is option B.
The pump used for irrigation purposes is generally designed for
Large capacity & high head
Large capacity & low head
Small capacity & high head
Small capacity & low head
✅ The correct answer is option B.
The Prandtl pitot tube measures the
Velocity at a point in the flow
Pressure at a point
Average flow velocity
Pressure difference in pipe flow
✅ The correct answer is option A.
The pressure head of a flow meter remains constant for
Venturimeter
Orificemeter
Rotameter
Pitot tube
✅ The correct answer is option C.
In case of supersonic flow of a fluid through pipeline, the ‘Mach number’ is
0
1
< 1
> 1
✅ The correct answer is option D.
Cavitation in a centrifugal pump results from
High discharge pressure
Low barometric pressure
High discharge velocity
High discharge rate
✅ The correct answer is option B.
For a given fluid flow rate, which of the following incurs maximum head loss?
Orifice meter
Venturimeter
Flow nozzle
All of the above
✅ The correct answer is option A.
Check valve is used for __________ flow.
Very precise control of
Unidirectional
Multidirectional
None of these
✅ The correct answer is option B.
One stoke (unit of kinematic viscosity) is equivalent to
1 cm²/second
1 m²/second
1 gm/cm. second
1 kg . m/second
✅ The correct answer is option A.