Weber
Mach
Euler
Froude
✅ The correct answer is option C.
Chemical Engineering MCQs
Fluid flow at increasing rate through a diverging pipe is an example of __________ flow.
Steady uniform
Non-steady uniform
Steady non-uniform
Non-steady non-uniform
✅ The correct answer is option D.
Velocity head on sudden enlargement in a horizontal pipe is converted into __________ head.
Elevation
Pressure
Both A and B
Neither A nor B
✅ The correct answer is option B.
The losses in open channel flow generally vary as the
Inverse of the roughness
First power of the roughness
Square of the velocity
Inverse square of hydraulic radius
✅ The correct answer is option B.
For a reciprocating pump, the indicator diagram is the graph between the
Discharge and overall efficiency
Volume swept by piston for one complete revolution and the pressure in the cylinder
Angle swept by the crank pin at any instant and the discharge
None of these
✅ The correct answer is option B.
Vane anemometer
Is an area meter
Is a variable head meter
Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed
None of these
✅ The correct answer is option C.
Medium viscosity lubricating oil can be most ideally pumped by a __________ pump.
Vane
Piston
Centrifugal
Plunger
✅ The correct answer is option A.
Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.)
√d
d2/3
d4/5
d1/3
✅ The correct answer is option C.
With increase in the temperature, viscosity of a liquid
Increases
Decreases
Remains constant
May increase or decrease; depends on the liquid
✅ The correct answer is option B.
__________ is removed from water by lime-soda process.
Foul smell and taste
Iron and manganese
Temporary hardness
Permanent hardness
✅ The correct answer is option C.