Design of the casing of centrifugal pump should be such as to minimise the________________?
A. Back flow through impeller
B. Loss of kinetic head
C. Loss of static head
D. None of these
A. Back flow through impeller
B. Loss of kinetic head
C. Loss of static head
D. None of these
A. CD = 16/Re.p
B. CD = 24/Re.p
C. CD = 18.4/Re.p
D. CD = 0.079/Re
0.25.p
Drag co-efficient CD, in Stoke’s law range is given by________________? Read More »
Fluid Mechanics for Chemical A. Q = Q1 + Q2 + Q3
B. V1 = V2 = V3
C. Q1 = Q2 = Q3
D. f = f1 + f2 + f3
A. Needle
B. Globe
C. Gate
D. Butterfly
The valve used for very remote and accurate control of fluid is a _____________ valve? Read More »
Fluid Mechanics for Chemical A. 2
B. 2
D. 1/2
A. Changing the speed of rotation
B. Bleeding air into suction
C. Bypassing liquid from the suction or discharge line
D. All A., B. and C.
Capacity of a rotary gear pump can be varied by__________________? Read More »
Fluid Mechanics for Chemical A. Generally a needle valve
B. Used to release any gases that might be vapour locking the pump
C. Helpful in easy removal of samples
D. All A., B. and C.
The vent valve provided in a liquid handling centrifugal pump is___________________? Read More »
Fluid Mechanics for Chemical A. Dilatant
B. Bingham plastic
C. Newtonian
D. Pseudo-plastic
Paper pulp is an example of _____________ fluid? Read More »
Fluid Mechanics for Chemical A. Passing the centroid of the body at 60°to the direction of motion
B. The component being parallel to the flow direction
C. The component being normal to the flow direction
D. None of these
Drag is the force component exerted on an immersed object, ? Read More »
Fluid Mechanics for Chemical A. It is not very accurate
B. It is very costly
C. Most of the pressure drop is not recoverable
D. It is not suitable for measuring gas flow
The most serious disadvantage of an orificemeter is that________________? Read More »
Fluid Mechanics for Chemical