Hydraulics and Fluid Mechanics | Mechanical Engineering

In one dimensional flow, the flow

Byadmin September 14, 2022

Question: In one dimensional flow, the flow
[A].

is steady and uniform

[B].

takes place in straight line

[C].

takes place in curve

[D].

takes place in one direction

Answer: Option B

Explanation:

No answer description available for this question.

Civil Engineering Mcqs | Hydraulics and Fluid Mechanics

The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if __________________?

The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if __________________?

A. the area is horizontal
B. the area is vertical
C. the area is inclined
D. all of the above
E. none of the above

Read More The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if __________________?
Engineering Materials | Mechanical Engineering

Chromium when added to steel __________ the tensile strength.

Question: Chromium when added to steel __________ the tensile strength.
[A].

does not effect
[B].
decreases
[C].
increases

Answer: Option C

Explanation:

No answer description available for this question.

Read More Chromium when added to steel __________ the tensile strength.
Ic Engines And Nuclear Power Plants | Mechanical Engineering

In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have

Question: In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have
[A].

low density
[B].
low temperature
[C].
long ignition delay
[D].
all of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have
Hydraulic Machines | Mechanical Engineering

In order to avoid cavitation in centrifugal pumps

Question: In order to avoid cavitation in centrifugal pumps
[A].

the suction pressure should be high
[B].
the delivery pressure should be high
[C].
the suction pressure should be low
[D].
the delivery pressure should be low

Answer: Option A

Explanation:

No answer description available for this question.

Read More In order to avoid cavitation in centrifugal pumps
Hydraulics and Fluid Mechanics | Mechanical Engineering

According to Bernoulli’s equation

Question: According to Bernoulli’s equation
[A].

[B].

[C].

[D].

Answer: Option A

Explanation:

No answer description available for this question.

Read More According to Bernoulli’s equation
Engineering Mechanics | Mechanical Engineering

If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton’s second law of motion,

Question: If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton’s second law of motion,
[A].

P + m.a = 0
[B].
P – m.a = 0
[C].
P x m.a = 0
[D].
P/m.a = 0

Answer: Option B

Explanation:

No answer description available for this question.

Read More If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton’s second law of motion,

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