Hydraulics and Fluid Mechanics | Mechanical Engineering

In a sharp-crested weir, the thickness of the weir is kept less than half of the height of water above the crest of the weir.

Byadmin September 14, 2022

Question: In a sharp-crested weir, the thickness of the weir is kept less than half of the height of water above the crest of the weir.
[A].

True

[B].

False

Answer: Option A

Explanation:

No answer description available for this question.

Hydraulics and Fluid Mechanics | Mechanical Engineering

The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)

Question: The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)
[A].

K.ρ
[B].
K/ρ
[C].
ρ/K
[D].
K.ρ

Answer: Option B

Explanation:

No answer description available for this question.

Read More The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)
Mechanical Engineering | Production Engineering

In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as

Question: In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as
[A].

side relief angle
[B].
end relief angle
[C].
back rake angle
[D].
side rake angle

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as
Hydraulics and Fluid Mechanics | Mechanical Engineering

A flow is called sub-sonic, if the Mach number is

Question: A flow is called sub-sonic, if the Mach number is
[A].

less than unity
[B].
unity
[C].
between 1 and 6
[D].
more than 6

Answer: Option A

Explanation:

No answer description available for this question.

Read More A flow is called sub-sonic, if the Mach number is
Industrial Engineering And Production Management | Mechanical Engineering

Job evaluation is the method of determining the

Question: Job evaluation is the method of determining the
[A].

relative values of a job
[B].
worker’s performance on a job
[C].
worth of the machine
[D].
value of overall production

Answer: Option A

Explanation:

No answer description available for this question.

Read More Job evaluation is the method of determining the
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

An open cycle gas turbine works on the same cycle as that of a closed cycle gas turbine.

Question: An open cycle gas turbine works on the same cycle as that of a closed cycle gas turbine.
[A].

Yes
[B].
No

Answer: Option A

Explanation:

No answer description available for this question.

Read More An open cycle gas turbine works on the same cycle as that of a closed cycle gas turbine.
Civil Engineering Mcqs | Hydraulics and Fluid Mechanics

A balloon lifting in air follows the following principle_________________?

A balloon lifting in air follows the following principle_________________?

A. law of gravitation
B. Archimedes principle
C. principle of buoyancy
D. all of the above
E. continuity equation

Read More A balloon lifting in air follows the following principle_________________?

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