Surface tension
Gravity
Viscous
Elastic
✅ The correct answer is option A.
Chemical Engineering MCQs
For water, when the pressure increases, the viscosity
Also increases
Decreases
Remains constant
First decreases, and then increases
✅ The correct answer is option D.
For pipes that must be broken at intervals for maintenance, the connector used should be a/an
Union
Tee
Reducer
Elbow
✅ The correct answer is option A.
The ratio of inertial forces to gravity forces is called the __________ number.
Mach
Froude
Euler
Weber
✅ The correct answer is option B.
Boundary layer exists in flow
Of real fluids
Over flat surfaces only
In pipes only
Of ideal fluids only
✅ The correct answer is option A.
Specific speed of a centrifugal pump relates it with another pump having the
Dynamic similarity
Same efficiency
Same speed
Geometrical similarity
✅ The correct answer is option A.
The component of acceleration resulting due to unsteady nature of flow is called __________ acceleration.
Normal
Local
Convective
Tangential
✅ The correct answer is option B.
For Laminar flow through a packed bed, the pressure drop is proportional to (Vs is the superficial liquid velocity and Dp is the particle diameter)
Vs/Dp²
Vs²/Dp²
Vs²/Dp³
Vs/Dp³
✅ The correct answer is option A.
The head developed by a centrifugal pump is largely determined by the
Power of the pump
Nature of the liquid being pumped
Angle of the vanes and the speed of the tip of the impeller
Vapour pressure of the liquid
✅ The correct answer is option C.
In case of end to end connection of two or more pipes in series, the __________ each pipe.
Same rate of flow passes through
Head loss is same through
Rate of flow in each pipe is proportional to the length of
Total flow rate is the sum of flow rate in
✅ The correct answer is option A.