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Fluid Mechanics for Chemical

In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the _____________ efficiency?

Fluid Mechanics for Chemical /
In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the _____________ efficiency?

A. Manometric
B. Mechanical
C. Volumetric
D. Overall

In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the _____________ efficiency? Read More »

Fluid Mechanics for Chemical

Very small pressure difference (< 5 mm water column) can be most conveniently measured by a/an _____________ manometer?

Fluid Mechanics for Chemical /
Very small pressure difference (< 5 mm water column) can be most conveniently measured by a/an _____________ manometer?

A. U-tube water
B. U-tube mercury
C. Inclined tube mercury
D. Inclined tube water

Very small pressure difference (< 5 mm water column) can be most conveniently measured by a/an _____________ manometer? Read More »

Fluid Mechanics for Chemical

As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re

Fluid Mechanics for Chemical /
As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 ?

A. Increases linearly with V
B. Decreases linearly with V
C. Decreases as V2
D. None of these

As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re Read More »

Fluid Mechanics for Chemical

The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke’s law range is proportional to the_____________________?

Fluid Mechanics for Chemical /
The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke’s law range is proportional to the_____________________?

A. Inverse of fluid viscosity
B. Square of particle size
C. Difference in the densities of the particle & fluid
D. All A., B. and C.

The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke’s law range is proportional to the_____________________? Read More »

Fluid Mechanics for Chemical

The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a____________________?

Fluid Mechanics for Chemical /
The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a____________________?

A. Weir
B. Pitot tube
C. Kennison nozzle
D. V-notch

The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a____________________? Read More »

Fluid Mechanics for Chemical