Directly proportional to
Directly proportional to square of
Inversely proportional to
Inversely proportional to square of
✅ The correct answer is option B.
Chemical Engineering MCQs
A gas
Signifies absence of density
Can resist shearing action
Is incompressible
Is a supercritical vapor
✅ The correct answer is option D.
If the discharge of a centrifugal pump is throttled, then its suction lift
Increases
Decreases
Remains unchanged
Data insufficient to predict
✅ The correct answer is option A.
The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the
Length is shorter
Throat diameter is more
Sudden expansion of flow in the downstream occurs
Distance between the throat and the inlet is more
✅ The correct answer is option C.
In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is
Constant along a streamline
Not constant along a streamline
Increased in the direction of flow
None of these
✅ The correct answer is option B.
Out of the following flow measuring devices, which one incurs the maximum installation cost as well as pressure loss?
Flow nozzle
Venturimeter
Rotameter
Orificemeter
✅ The correct answer is option B.
Power requirement of fans having constant wheel diameter varies __________ fan speed.
As square of
Directly as
As cube of
None of these
✅ The correct answer is option C.
The discharge through a rectangular weir varies as
H1/2
H5/2
H2/5
H3/2
✅ The correct answer is option D.
Friction produced by the formation of wakes is called the __________ friction.
Disk
Skin
Form
None of these
✅ The correct answer is option C.
The unit of dynamic viscosity in SI unit is
kg/m . sec
N/m²
m² /sec
m/N. sec
✅ The correct answer is option A.