Fluid Mechanics for Chemical

When the pipe Reynold’s number is 6000, the flow is generally___________________?

Byadmin March 10, 2019August 27, 2021

When the pipe Reynold’s number is 6000, the flow is generally___________________?

A. Viscous
B. Laminar
C. Turbulent
D. Transition

Fluid Mechanics for Chemical

Dimension of absolute viscosity is_________________?

Dimension of absolute viscosity is_________________?

A. ML-1T-1
B. MLT-1
C. ML-1T
D. MLT

Read More Dimension of absolute viscosity is_________________?
Fluid Mechanics for Chemical

Vane anemometer __________________?

Vane anemometer __________________?

A. Is an area meter
B. Is a variable head meter
C. Rotates an element at a speed determined by the velocity of the fluid in which the meter is
immersed
D. None of these

Read More Vane anemometer __________________?
Fluid Mechanics for Chemical

Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, ζ = surface tension of mercury)____________________?

Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, ζ = surface tension of mercury)____________________?

A. d
B. 1/d
C. ζ
D. 1/ζ

Read More Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, ζ = surface tension of mercury)____________________?
Fluid Mechanics for Chemical

For turbulent flow of an incompressible fluid through a pipe, the flow rate „Q‟ is proportional to (Δ P)n, where ΔP is the pressure drop. The value of exponent ‘n’ is_________________?

For turbulent flow of an incompressible fluid through a pipe, the flow rate „Q‟ is proportional to (Δ P)n, where ΔP is the pressure drop. The value of exponent ‘n’ is_________________?

A. 1
B. 0
C. < 1
D. > 1

Read More For turbulent flow of an incompressible fluid through a pipe, the flow rate „Q‟ is proportional to (Δ P)n, where ΔP is the pressure drop. The value of exponent ‘n’ is_________________?
Fluid Mechanics for Chemical

In which of the following body shapes, the pressure drag is large compared to the friction drag ?

In which of the following body shapes, the pressure drag is large compared to the friction drag ?

A. Stream line body
B. Two dimensional body
C. Bluff body
D. None of these

Read More In which of the following body shapes, the pressure drag is large compared to the friction drag ?
Fluid Mechanics for Chemical

Which of the following relationship is valid for the equilibrium position of the float in a Rotameter? (Where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)?

Which of the following relationship is valid for the equilibrium position of the float in a Rotameter? (Where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)?

A. Df + Bf = Wf
B. Df = Bf + Wf
C. Df + Bf + Wf =0
D. None of these

Read More Which of the following relationship is valid for the equilibrium position of the float in a Rotameter? (Where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)?

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