Engineering Mechanics | Mechanical Engineering

In ideal machines, mechanical advantage is __________ velocity ratio.

Byadmin September 14, 2022

Question: In ideal machines, mechanical advantage is __________ velocity ratio.
[A].

equal to

[B].

less than

[C].

greater than

Answer: Option A

Explanation:

No answer description available for this question.

Automobile Engineering | Mechanical Engineering

Damper is also known as

Question: Damper is also known as
[A].

shock absorber
[B].
torsion bar
[C].
spring
[D].
radius rod

Answer: Option A

Explanation:

No answer description available for this question.

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Hydraulics and Fluid Mechanics | Mechanical Engineering

A flow is called sonic, if the Mach number is unity.

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

Agree
[B].
Disagree

Answer: Option A

Explanation:

No answer description available for this question.

Read More A flow is called sonic, if the Mach number is unity.
Engineering Mechanics | Mechanical Engineering

A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:

Question: A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:
[A].

both the balls undergo an equal change in momentum
[B].
the change in momentum suffered by rubber ball is more than the lead ball
[C].
the change in momentum suffered by rubber ball is less than the lead ball
[D].
none of the above

Answer: Option B

Explanation:

No answer description available for this question.

Read More A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:
Hydraulic Machines | Mechanical Engineering

In a Francis turbine runner, the number of blades are generally between

Question: In a Francis turbine runner, the number of blades are generally between
[A].

2 to 4
[B].
4 to 8
[C].
8 to l6
[D].
16 to 24

Answer: Option D

Explanation:

No answer description available for this question.

Read More In a Francis turbine runner, the number of blades are generally between
Hydraulics and Fluid Mechanics | Mechanical Engineering

Froude’s number is the ratio of inertia force to

Question: Froude’s number is the ratio of inertia force to
[A].

pressure force
[B].
elastic force
[C].
gravity force
[D].
surface tension force

Answer: Option C

Explanation:

No answer description available for this question.

Read More Froude’s number is the ratio of inertia force to
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In case ofsensible cooling of air, the coil efficiency is given by

Question: In case ofsensible cooling of air, the coil efficiency is given by
[A].

B.P.F. – 1
[B].
1 – B.P.F.
[C].

[D].
1 + B.P.F.

Answer: Option B

Explanation:

No answer description available for this question.

Read More In case ofsensible cooling of air, the coil efficiency is given by

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