Fluid Mechanics

The pressure at the summit of a syphon is_______________?

Byadmin January 17, 2019August 12, 2021

The pressure at the summit of a syphon is_______________?

A. equal to atmospheric
B. less than atmospheric
C. more than atmospheric
D. none of the above

CHEMICAL ENGINEERING | Fluid Mechanics

Navier-Stokes equation is useful in the analysis of __________ fluid flow problems.

Question: Navier-Stokes equation is useful in the analysis of __________ fluid flow problems.
[A].

non-viscous
[B].
viscous
[C].
turbulent
[D].
rotational

Answer: Option B

Explanation:

No answer description available for this question.

Read More Navier-Stokes equation is useful in the analysis of __________ fluid flow problems.
Fluid Mechanics

The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is________________?

The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is________________?

A. 0.223 R
B. 0.423 R
C. 0.577 R
D. 0.707 R
where R is radius of pipe

Read More The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is________________?
Fluid Mechanics

For a body floating in a liquid the normal pressure exerted by the liquid acts at ____________________?

For a body floating in a liquid the normal pressure exerted by the liquid acts at ____________________?

A. bottom surface of the body
B. e.g. of the body
C. metacentre
D. all points on the surface of the body
E. all of the above

Read More For a body floating in a liquid the normal pressure exerted by the liquid acts at ____________________?
CHEMICAL ENGINEERING | Fluid Mechanics

Erosion and pits formation on the impeller of a centrifugal pump may be due to

Question: Erosion and pits formation on the impeller of a centrifugal pump may be due to
[A].

cavitation.
[B].
low speed of impeller.
[C].
its operation with delivery valve closed for considerable time after starting the pump.
[D].
off centering of pump with motor.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Erosion and pits formation on the impeller of a centrifugal pump may be due to
CHEMICAL ENGINEERING | Fluid Mechanics

Co-efficient of velocity is __________ the coefficient of discharge.

Question: Co-efficient of velocity is __________ the coefficient of discharge.
[A].

less than
[B].
more than
[C].
equal to
[D].
not related to

Answer: Option B

Explanation:

No answer description available for this question.

Read More Co-efficient of velocity is __________ the coefficient of discharge.
Fluid Mechanics

A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will_________________?

A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will_________________?

A. increase
B. decrease
C. remain same
D. increase/decrease depending on depth of immersion
E. unpredictable

Read More A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will_________________?

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