Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is__________________?

Byadmin January 17, 2019August 12, 2021

Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is__________________?

A. slightly less
B. slightly more
C. nearly half
D. equal

Fluid Mechanics

The tendency of a liquid surface to contract is due to the following property_____________?

The tendency of a liquid surface to contract is due to the following property_____________?

A. cohesion
B. adhesion
C. viscosity
D. surface tension
E. elasticity

Read More The tendency of a liquid surface to contract is due to the following property_____________?
Fluid Mechanics

In a free vortex motion, the radial component of velocity everywhere is________________?

In a free vortex motion, the radial component of velocity everywhere is________________?

A. maximum
B. minimum
C. zero
D. non-zero and finite
E. unpredictable

Read More In a free vortex motion, the radial component of velocity everywhere is________________?
CHEMICAL ENGINEERING | Fluid Mechanics

Laminar flow of a Newtonion fluid ceases to exist, when the Reynolds number exceeds

Question: Laminar flow of a Newtonion fluid ceases to exist, when the Reynolds number exceeds
[A].

4000
[B].
2100
[C].
1500
[D].
3000

Answer: Option B

Explanation:

No answer description available for this question.

Read More Laminar flow of a Newtonion fluid ceases to exist, when the Reynolds number exceeds
Fluid Mechanics

The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be ________________?

The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be ________________?

A. 500 kg
B. 1000 kg
C. 1500 kg
D. 2000 kg
E. 4000 kg

Read More The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be ________________?
CHEMICAL ENGINEERING | Fluid Mechanics

N. second/m2 is

Question: N. second/m2 is
[A].

the S.I. unit of dynamic viscosity.
[B].
the S.I. unit of kinematic viscosity.
[C].
equivalent to one poise.
[D].
equivalent to one stoke.

Answer: Option A

Explanation:

No answer description available for this question.

Read More N. second/m2 is
Fluid Mechanics

For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal____________________?

For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal____________________?

A. ratio of inertial force to force due to viscosity
B. ratio of inertial force to force due to gravitation
C. ratio of inertial force to force due to surface tension
D. all the four ratios of inertial force to force due to viscosity, gravitation, sur-face tension, and elasticity

Read More For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal____________________?

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