Boundary layer separation is caused by the_________________?

Byadmin March 10, 2019August 27, 2021

Boundary layer separation is caused by the_________________?

A. Reduction of pressure to vapour pressure
B. Boundary layer thickness reducing to zero
C. Adverse pressure gradient
D. Reduction of pressure gradient to zero

Fluid Mechanics for Chemical

Two dimensional stream function________________?

Two dimensional stream function________________?

A. Relates velocity and pressure
B. Is constant along a stream line
C. Is constant along an equipotential surface
D. None of these

Read More Two dimensional stream function________________?
Fluid Mechanics for Chemical

Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m3, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is________________?

Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m3, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is________________?

A. 90
B. 60
C. 45
D. 30

Read More Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m3, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is________________?
Fluid Mechanics for Chemical

Specific speed of a centrifugal pump relates it with another pump having the___________________?

Specific speed of a centrifugal pump relates it with another pump having the___________________?

A. Dynamic similarity
B. Same efficiency
C. Same speed
D. Geometrical similarity

Read More Specific speed of a centrifugal pump relates it with another pump having the___________________?
Fluid Mechanics for Chemical

At low Reynolds number______________?

At low Reynolds number______________?

A. Viscous forces are unimportant
B. Viscous forces control
C. Viscous forces control and inertial forces are unimportant
D. Gravity forces control

Read More At low Reynolds number______________?
Fluid Mechanics for Chemical

The terminal velocity of a particle moving through a fluid varies as dp n. The value of n is equal to _______________ in Stoke’s law regime?

The terminal velocity of a particle moving through a fluid varies as dp n. The value of n is equal to _______________ in Stoke’s law regime?

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

Read More The terminal velocity of a particle moving through a fluid varies as dp n. The value of n is equal to _______________ in Stoke’s law regime?
Fluid Mechanics for Chemical

A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double___________________?

A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double___________________?

A. Head
B. Discharge
C. Efficiency
D. None of these

Read More A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double___________________?

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