In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where, T = absolute temperature) ?

Byadmin March 10, 2019August 27, 2021

In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where, T = absolute temperature) ?

A. 1/√T
B. 1/T
C. √T
D. T

Fluid Mechanics for Chemical

A particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke’s law. A particle B with diameter 20 microns settling in the same oil will have a settling velocity ?

A particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke’s law. A particle B with diameter 20 microns settling in the same oil will have a settling velocity ?

A. Same as that of A
B. One fourth as that of A
C. Twice as that of A
D. Four times as that of A

Read More A particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke’s law. A particle B with diameter 20 microns settling in the same oil will have a settling velocity ?
Fluid Mechanics for Chemical

Isotropic turbulence occurs __________________?

Isotropic turbulence occurs __________________?

A. Where there is no velocity gradient
B. At higher temperatures
C. Only in Newtonian fluids
D. None of these

Read More Isotropic turbulence occurs __________________?
Fluid Mechanics for Chemical

Which of the following is dimensionless ?

Which of the following is dimensionless ?

A. Angular velocity
B. Fanning friction factor
C. Specific volume
D. None of these

Read More Which of the following is dimensionless ?
Fluid Mechanics for Chemical

For the same flow rate of a fluid, the pressure drop is the least for ____________________?

For the same flow rate of a fluid, the pressure drop is the least for ____________________?

A. Venturimeter
B. Orificemeter
C. Flow-nozzle
D. Δp is same for all

Read More For the same flow rate of a fluid, the pressure drop is the least for ____________________?
Fluid Mechanics for Chemical

Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of_________________?

Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of_________________?

A. Powder & granular solids
B. Liquids
C. Low melting point semi-solids
D. All A, B & C

Read More Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of_________________?
Fluid Mechanics for Chemical

The fluid jet discharging from a 2″ diameter orifice has a diameter of 1.75″ at its venacontracta. The co-efficient of contraction is___________________?

The fluid jet discharging from a 2″ diameter orifice has a diameter of 1.75″ at its venacontracta. The co-efficient of contraction is___________________?

A. 1.3
B. 0.766
C. 0.87
D. None of these

Read More The fluid jet discharging from a 2″ diameter orifice has a diameter of 1.75″ at its venacontracta. The co-efficient of contraction is___________________?

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