A. Diffusion
B. Centrifugal
C. Jet ejector
D. Piston
For the production of very high vacuum, a _____________ pump is normally used? Read More »
Fluid Mechanics for Chemical A. Direction control
B. Back pressure
C. Relief
D. Pressure reduction
Foot valve provided in the pump is a ______________ valve? Read More »
Fluid Mechanics for Chemical A. Also increases
B. Decreases
C. Remain constant
D. First decreases, and then increases
For water, when the pressure increases, the viscosity_________________? Read More »
Fluid Mechanics for Chemical A. Increasing the acceleration head
B. Making the friction in pipe uniform
C. Decreasing the acceleration head
D. None of these
Air vessel provided in a reciprocating pump is for__________________? Read More »
Fluid Mechanics for Chemical A. Manometric
B. Total
C. Static
D. Friction
A. High head
B. Low head but high discharge
C. Highly viscous liquid
D. Slurries of high solid concentration
Multistage centrifugal pumps are generally used for________________? Read More »
Fluid Mechanics for Chemical A. Suction
B. Delivery
C. Manometric
D. None of these
Specific speed of a centrifugal pump depends upon the ______________ head? Read More »
Fluid Mechanics for Chemical A. Static pressure
B. Dynamic pressure
C. Velocity at the stagnation point
D. All A., B. and C.
The simple Pitot tube does not measure the________________? Read More »
Fluid Mechanics for Chemical A. A, C, D
B. B, D, E
C. A, B, E
D. A, D, E
A. Surface roughness and curvature (i.e. sharp corners)
B. Vibration
C. Pressure gradient and the compressibility of the flowing medium
D. All A., B. & C.
Transition from laminar flow to turbulent flow is aided by the__________________? Read More »
Fluid Mechanics for Chemical