0
1
< 1
> 1
✅ The correct answer is option D.
Chemical Engineering MCQs
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.
For motion of spherical particles in a stationary fluid, the drag co-efficient in hindered settling compared to that in free settling is
More
Less
Equal
More or less, depending on the type of particle
✅ The correct answer is option A.
What is the value of Fanning friction factor f ‘ for smooth pipe at NRe = 10⁶ approximately?
0.003
0.01
0.1
0.3
✅ The correct answer is option A.
In fluid flow, cavitation is caused, if the
Fluid velocity decreases to zero
Total energy decreases
Both A and B
Flow pressure approaches its vapor pressure at the prevailing temperature
✅ The correct answer is option D.
One dimensional flow implies
Flow in a straight line
Steady uniform flow
Unsteady uniform flow
A flow which does not account for changes in transverse direction
✅ The correct answer is option D.
Bernoulli’s equation for fluid flow is derived following certain assumptions. Out of the assumptions listed below, which set of assumptions is used in derivation of Bernoulli’s equation ? 1. Fluid flow is frictionless & irrotational. 2. Fluid flow is steady. 3. Fluid flow is uniform & turbulent. 4. Fluid is compressible. 5. Fluid is incompressible.
1, 3, 3
2, 3, 4
1, 2, 4
1, 3, 4
✅ The correct answer is option C.
The flow of a liquid through tapering pipe at a constant rate is an example of __________ flow.
Steady uniform
Steady non uniform
Unsteady uniform
Unsteady non uniform
✅ The correct answer is option B.