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Fluid Mechanics for Chemical

With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss_______________?

August 27, 2021March 9, 2019 by admin
With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss_______________?

A. Decreases
B. Increases
C. Remain constant
D. Increases linearly

Categories Fluid Mechanics for Chemical

Fanning friction factor is equal to (where, fB = Blasius friction factor) ?

August 27, 2021March 9, 2019 by admin
Fanning friction factor is equal to (where, fB = Blasius friction factor) ?

A. fB/4
B. fB/2
C. 4fB
D. 2fB

Categories Fluid Mechanics for Chemical

What is the speed of sound (m/sec) in ordinary water ?

August 27, 2021March 9, 2019 by admin
What is the speed of sound (m/sec) in ordinary water ?

A. 1500
B. 330
C. 1000
D. 3000

Categories Fluid Mechanics for Chemical

Which of the following is not an advantage of fluidisation from transfer operation point of view ?

August 27, 2021March 9, 2019 by admin
Which of the following is not an advantage of fluidisation from transfer operation point of view ?

A. Intimate contact of the fluid with all parts of the solid particles
B. Lower fluid pumg power requirement
C. Minimisation of temperature variation
D. Prevention of particle segregation

Categories Fluid Mechanics for Chemical

While starting an axial flow pump, its delivery valve should be kept _______________?

August 27, 2021March 9, 2019 by admin
While starting an axial flow pump, its delivery valve should be kept _______________?

A. Open
B. Closed
C. Either open or closed
D. None of these

Categories Fluid Mechanics for Chemical

The line traced by a single fluid particle as it moves over a period of time is called ______________ line?

August 27, 2021March 9, 2019 by admin
The line traced by a single fluid particle as it moves over a period of time is called ______________ line?

A. Stream
B. Path
C. Equipotential
D. None of these

Categories Fluid Mechanics for Chemical

Pumping of a corrosive liquid is generally preferred to be done by a ______________ pump, as it can be made of a variety of materials including plastics?

August 27, 2021March 9, 2019 by admin
Pumg of a corrosive liquid is generally preferred to be done by a ______________ pump, as it can be made of a variety of materials including plastics?

A. Piston
B. Gear
C. Positive displacement
D. Sump

Categories Fluid Mechanics for Chemical

For laminar flow of Newtonian fluids through a circular pipe, for a given pressure drop and length & diameter of pipe, the velocity of fluid is proportional to (where, μ = fluid viscosity ) ?

August 27, 2021March 9, 2019 by admin
For laminar flow of Newtonian fluids through a circular pipe, for a given pressure drop and length & diameter of pipe, the velocity of fluid is proportional to (where, μ = fluid viscosity ) ?

A. μ
B. 1/μ
C. √μ
D. 1/√μ

Categories Fluid Mechanics for Chemical

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

August 27, 2021March 9, 2019 by admin
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

Categories Fluid Mechanics for Chemical

Discharge from a 24 inch pipe of water at 10 ft/sec will be _____________ ft3/sec?

August 27, 2021March 9, 2019 by admin
Discharge from a 24 inch pipe of water at 10 ft/sec will be _____________ ft3/sec?

A. 7.65
B. 32.36
C. 48.22
D. 125.6

Categories Fluid Mechanics for Chemical
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