Fluid Mechanics for Chemical

The head loss due to sudden contraction is proportional to___________________?

Byadmin March 9, 2019August 27, 2021

The head loss due to sudden contraction is proportional to___________________?

A. Velocity
B. Velocity head
C. Turbulence
D. None of these

Fluid Mechanics for Chemical

A Newtonian liquid (ρ = density, μ = viscosity) is flowing with velocity „v‟ in a tube of diameter ‘D’. Let Δp be the pressure drop across the length ‘L’. For a laminar flow, Δp is proportional to_________________?

A Newtonian liquid (ρ = density, μ = viscosity) is flowing with velocity „v‟ in a tube of diameter ‘D’. Let Δp be the pressure drop across the length ‘L’. For a laminar flow, Δp is proportional to_________________?

A. Lρv2/D
B. LμV/D2
C. Dρv2/L
D. μV/L

Read More A Newtonian liquid (ρ = density, μ = viscosity) is flowing with velocity „v‟ in a tube of diameter ‘D’. Let Δp be the pressure drop across the length ‘L’. For a laminar flow, Δp is proportional to_________________?
Fluid Mechanics for Chemical

The ratio of the wall drag to the form drag in the Stoke’s law range (for motion of spherical particles in a stationary fluid) is__________________?

The ratio of the wall drag to the form drag in the Stoke’s law range (for motion of spherical particles in a stationary fluid) is__________________?

A. 0.5
B. 1
C. 2
D. 0.33

Read More The ratio of the wall drag to the form drag in the Stoke’s law range (for motion of spherical particles in a stationary fluid) is__________________?
Fluid Mechanics for Chemical

Lower BWG means _____________ of the tube?

Lower BWG means _____________ of the tube?

A. Lower thickness
B. Lower cross-section
C. Outer diameter
D. Inner diameter

Read More Lower BWG means _____________ of the tube?
Fluid Mechanics for Chemical

Pressure co-efficient is the ratio of pressure forces to __________________________ forces?

Pressure co-efficient is the ratio of pressure forces to __________________________ forces?

A. Gravity
B. Inertial
C. Viscous
D. None of these

Read More Pressure co-efficient is the ratio of pressure forces to __________________________ forces?
Fluid Mechanics for Chemical

The effect of solid boundary on the fluid flow is confined to the boundary layer, except for fluids ?

The effect of solid boundary on the fluid flow is confined to the boundary layer, except for fluids ?

A. Having high viscosities
B. Moving at low velocities
C. Both A. & B.
D. Neither A. nor B.

Read More The effect of solid boundary on the fluid flow is confined to the boundary layer, except for fluids ?
Fluid Mechanics for Chemical

Cd for the orifice plate varies from ___________________?

Cd for the orifice plate varies from ___________________?

A. 0.58 to 0.8
B. 0.93 to 0.98
C. 0.2 to 0.3
D. 0.02 to 0.03

Read More Cd for the orifice plate varies from ___________________?

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