Volute type of casing is provided in a centrifugal pump to___________________?

Byadmin March 10, 2019August 27, 2021

Volute type of casing is provided in a centrifugal pump to___________________?

A. Convert velocity head to pressure head
B. Convert pressure head to velocity head
C. Reduce the discharge fluctuation
D. Increase the discharge

Fluid Mechanics for Chemical

In case of a Rotameter, the density of the float material is _____________ that of the liquid it replaces?

In case of a Rotameter, the density of the float material is _____________ that of the liquid it replaces?

A. More than
B. Less than
C. Equal to
D. Either A. or B.

Read More In case of a Rotameter, the density of the float material is _____________ that of the liquid it replaces?
Fluid Mechanics for Chemical

Pitot tube measures the ______________ of a fluid?

Pitot tube measures the ______________ of a fluid?

A. Pressure
B. Average velocity
C. Average flow rate
D. Point velocity

Read More Pitot tube measures the ______________ of a fluid?
Fluid Mechanics for Chemical

Which of the following equations as suggested by Colebrook and White gives the increase in roughness of a new surface (ε0) with age/time (t) (where, ε = roughness of the surface after time’t’. α = a co-efficient to be experimentally determined) ?

Which of the following equations as suggested by Colebrook and White gives the increase in roughness of a new surface (ε0) with age/time (t) (where, ε = roughness of the surface after time’t’. α = a co-efficient to be experimentally determined) ?

A. ε = ε0 + α.t
B. ε = ε0 + α.t2
C. ε = ε0 + α.t3
D. ε = ε0 + α.t4

Read More Which of the following equations as suggested by Colebrook and White gives the increase in roughness of a new surface (ε0) with age/time (t) (where, ε = roughness of the surface after time’t’. α = a co-efficient to be experimentally determined) ?
Fluid Mechanics for Chemical

A fluid whose apparent viscosity increases with shear rate is termed as the _____________ fluid?

A fluid whose apparent viscosity increases with shear rate is termed as the _____________ fluid?

A. Newtonian
B. Viscous
C. Dilatant
D. Non-viscous

Read More A fluid whose apparent viscosity increases with shear rate is termed as the _____________ fluid?
Fluid Mechanics for Chemical

The dimension of kinematic viscosity is_________________?

The dimension of kinematic viscosity is_________________?

A. ML-2T-1
B. L2T-1
C. ML-2T-2
D. None of these

Read More The dimension of kinematic viscosity is_________________?
Fluid Mechanics for Chemical

What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate ?

What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate ?

A. 0.5
B. 1
C. 1.5
D. 2

Read More What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate ?

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