Sump
Volute
Vacuum
Submerged
✅ The correct answer is option C.
Fluid Mechanics MCQs
The schedule number of a pipe is an indication of its
Size
Roughness
Material density
Wall thickness
✅ The correct answer is option D.
Buoyant force
For non-symmetrical bodies is not vertical
Depends on the depth of the submergence of the floating body
Depends on the weight of the floating body
None of these
✅ The correct answer is option C.
The kinetic energy correction factor for velocity distribution of laminar flow is
0.5
1.66
1
2
✅ The correct answer is option B.
Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases.
NPSH required
BHP required by the pump
Head of the liquid pumped
All of the above
✅ The correct answer is option D.
The capillary rise of mercury is maximum in glass tube of dia __________ mm.
0.5
1
2
5
✅ The correct answer is option A.
Potential function is applicable only for __________ flow.
Irrotational
Turbulent
Steady
None of these
✅ The correct answer is option A.
__________ isused for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline.
Venturimeter
Pressure gauge
Pitot tube
Orificemeter
✅ The correct answer is option C.
A globe valve is the most suitable for applications, in which
Fluid flow control is required
Fluid contains dispersed solid particles
Valve is required to be either fully open or fully closed
One way flow is required
✅ The correct answer is option A.
Multistage compressors are used in industry, because they
Reduce the cost of compressor
Reduce the size requirement
Resemble closely to isothermal compression
Are easy to control
✅ The correct answer is option C.