Priming of a centrifugal pump is done to___________________?

Byadmin March 10, 2019August 27, 2021

Priming of a centrifugal pump is done to___________________?

A. Increase the mass flow rate of fluid
B. Develop effective pressure rise by the pump
C. Avoid chances of separation inside the impeller
D. None of these

Fluid Mechanics for Chemical

Turbine impeller____________________?

Turbine impeller____________________?

A. Produces only radial current
B. Produces only tangential current
C. Is effective over wide range of viscosities
D. Does not produce tangential current

Read More Turbine impeller____________________?
Fluid Mechanics for Chemical

In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where M = molecular weight of the gas) ?

In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where M = molecular weight of the gas) ?

A. 1/√M
B. √M
C. 1/M
D. M

Read More In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where M = molecular weight of the gas) ?
Fluid Mechanics for Chemical

The co-efficient of drag and lift for an incompressible fluid depends on the_________________?

The co-efficient of drag and lift for an incompressible fluid depends on the_________________?

A. Reynolds number
B. Froude number
C. Mach number
D. All A., B. and C.

Read More The co-efficient of drag and lift for an incompressible fluid depends on the_________________?
Fluid Mechanics for Chemical

Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) ?

Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) ?

A. √d
B. d1/3
C. d2
D. d2/3

Read More Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) ?
Fluid Mechanics for Chemical

Flow rate of high velocity flue gas discharged through a stack to the atmosphere can be most conveniently measured by a _________________?

Flow rate of high velocity flue gas discharged through a stack to the atmosphere can be most conveniently measured by a _________________?

A. Pitot tube
B. Manometer
C. Rotameter
D. None of these

Read More Flow rate of high velocity flue gas discharged through a stack to the atmosphere can be most conveniently measured by a _________________?
Fluid Mechanics for Chemical

What is the ratio of fluid carrying capacity of two pipes having diameters d1 and d2 respectively ?

What is the ratio of fluid carrying capacity of two pipes having diameters d1 and d2 respectively ?

A. (d1/d2)0.8
B. (d1/d2)0.5
C. d1/d2
D. (d1/d2)2

Read More What is the ratio of fluid carrying capacity of two pipes having diameters d1 and d2 respectively ?

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