0.1
0.5
0.94
1
✅ The correct answer is option B.
Chemical Engineering MCQs
Foot valve provided in the pump is a __________ valve.
Direction control
Back pressure
Relief
Pressure reduction
✅ The correct answer is option B.
An equipotential line is __________ to the velocity vector at every point.
Normal
Normal
Tangential
None of these
✅ The correct answer is option A.
If more than two branches of pipes are to be connected at the same point, then use a/an
Elbow
Union
Tee
None of these
✅ The correct answer is option C.
Fanning equation is given by ∆p/ρ = 4f. L/D . v²/2g<.sub>c . It is applicable to __________ region flow.
Transition
Laminar
Turbulent
Both B and C
✅ The correct answer is option D.
Higher specific speed (200-500) of a centrifugal pump indicates that the pump is of __________ flow type.
Axial
Radial
Mixed
None of these
✅ The correct answer is option A.
Capacity of a rotary gear pump can be varied by
Changing the speed of rotation
Bleeding air into suction
Bypassing liquid from the suction or discharge line
All of the above
✅ The correct answer is option D.
Purpose of hydraulic accumulator is to
Ensure intermittant supply of hydraulic pressure
Increase the pressure and store/ accumulate it
Accumulate pressure to increase force
Generate high pressure to operate hydraulic machines like cranes, lifts, presses etc
✅ The correct answer is option D.
The valve used for very remote and accurate control of fluid is a __________ valve.
Needle
Globe
Gate
Butterfly
✅ The correct answer is option A.