Screw
Reciprocating
Gear
Centrifugal
✅ The correct answer is option D.
Chemical Engineering MCQs
In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where M = molecular weight of the gas)
1/√M
√M
1/M
M
✅ The correct answer is option A.
The excess of the sum of pressure & velocity heads over the vapor pressure of the liquid at the suction is called the
Static submergence
Net positive suction head (NPSH)
Cavitation sensitivity
Priming
✅ The correct answer is option B.
The dimension of kinematic viscosity is
ML⁻²T⁻¹
L²T⁻¹
ML⁻²T⁻²
None of these
✅ The correct answer is option B.
Potential flow is the flow of
Compressible fluids with shear
Compressible fluids with no shear
Incompressible fluids with shear
Incompressible fluids with no shear
✅ The correct answer is option D.
Which of the following is a Newtonian fluid?
Rubber latex
Sewage sludge
Quicksand
Non-colloidal solution
✅ The correct answer is option D.
The ratio of actual discharge to theoretical discharge through an orifice is equal to
Cc . Cv
Cc . Cd
Cv . Cd
Cd/Cv
✅ The correct answer is option A.
The lift of a ballon is
Increased, as it rises to a higher altitude
Due to the weight of the atmospheric air, that it displaces
Not dependent on the temperature of the atmosphere
None of these
✅ The correct answer is option B.
Priming of a centrifugal pump is done to
Increase the mass flow rate of fluid
Develop effective pressure rise by the pump
Avoid chances of separation inside the impeller
None of these
✅ The correct answer is option C.
A streamline is
The line connecting the mid-points of flow cross-sections
Defined for uniform flow only
Drawn normal to the velocity vector at every point
Always the path of a particle
✅ The correct answer is option C.