A constant velocity with no acceleration
A fluctuating velocity
Attained after moving one-half of total distance
None of these
✅ The correct answer is option A.
Chemical Engineering MCQs
Kinetic energy of fluid per unit weight represented by the velocity head is given by
2v²/gc
v²/2gc
ρv²/gc
ρ.v²/2gc
✅ The correct answer is option B.
The ratio of the depth of flow to the diameter of the channel for maximum discharge in a circular channel in open channel flow is
0.1
0.55
0.95
1.85
✅ The correct answer is option C.
Dean number is concerned with the
Fluid-particle interaction
Fluid flow through helical pipes
Power consumption in agitated vessels
Psychrometry
✅ The correct answer is option B.
Fluid resistance to shear depends upon its
Rate of transfer of molecular momentum
Cohesion
Both A and B
Neither A nor B
✅ The correct answer is option C.
The maximum delivery pressure of compressors can be upto __________ atmospheres.
10
100
250
1000
✅ The correct answer is option D.
Glass pipes can be joined by
Flanges
Welding
Soldering
Bell and spigot joint
✅ The correct answer is option D.
Which of the fluid forces are not considered in the Reynold’s equation of flow?
Viscous forces
Turbulent forces
Pressure forces
Compressibility forces
✅ The correct answer is option D.
Two dimensional stream function
Relates velocity and pressure
Is constant along a stream line
Is constant along an equipotential surface
None of these
✅ The correct answer is option B.
The equation relating friction factor to Reynold number, f-0.5 = 4 loge (NRe/√f)-0.4, is called the __________ equation.
Nikuradse
Von-Karman
Blausius
Colebrook
✅ The correct answer is option A.