Fluid Mechanics for Chemical

A special type of liquid transporting device is the diffuser pump, in which _____________ are minimised?

Byadmin March 10, 2019August 27, 2021

A special type of liquid transporting device is the diffuser pump, in which _____________ are minimised?

A. Bearing losses
B. Disk friction
C. Shock losses
D. Cavitation

Fluid Mechanics for Chemical

The net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the_________________?

The net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the_________________?

A. Discharge
B. Suction
C. Suction minus vapor pressure of the liquid at suction temperature
D. Discharge minus vapor pressure of the liquid at the discharge temperature

Read More The net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the_________________?
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 energy loss in flow through Venturimeter is less than that through flow nozzle, because in case of a flow nozzle, the ?

The energy loss in flow through Venturimeter is less than that through flow nozzle, because in case of a flow nozzle, the ?

A. Length is shorter
B. Throat diameter is more
C. Sudden expansion of flow in the downstream occurs
D. Distance between the throat and the inlet is more

Read More The energy loss in flow through Venturimeter is less than that through flow nozzle, because in case of a flow nozzle, the ?
Fluid Mechanics for Chemical

Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water column in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm)?

Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water column in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm)?

A. H
B. 12.6 H
C. 13.6 H
D. 14.6 H

Read More Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water column in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm)?
Fluid Mechanics for Chemical

An ideal fluid is___________________?

An ideal fluid is___________________?

A. Frictionless & incompressible
B. One, which obeys Newton’s law of viscosity
C. Highly viscous
D. None of these

Read More An ideal fluid is___________________?
Fluid Mechanics for Chemical

Velocity of liquid hydrocarbon fuels in a pipeline cannot be measured by magnetic flowmeters, because their ______________ is very low/small?

Velocity of liquid hydrocarbon fuels in a pipeline cannot be measured by magnetic flowmeters, because their ______________ is very low/small?

A. Thermal conductivity
B. Electrical conductivity
C. Specific gravity
D. Electrical resistivity

Read More Velocity of liquid hydrocarbon fuels in a pipeline cannot be measured by magnetic flowmeters, because their ______________ is very low/small?

Similar Posts