Ic Engines And Nuclear Power Plants | Mechanical Engineering

In diesel engines, the ignition takes place due to the heat produced in the engine cylinder at the end of compression.

Byadmin September 14, 2022

Question: In diesel engines, the ignition takes place due to the heat produced in the engine cylinder at the end of compression.
[A].

Correct

[B].

Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

Engineering Materials | Mechanical Engineering

Beryllium bronze has

Question: Beryllium bronze has
[A].

high yield point
[B].
high fatigue limit
[C].
both (a) and (b)
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

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Engineering Mechanics | Mechanical Engineering

According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.

Question: According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.
[A].

True
[B].
False

Answer: Option B

Explanation:

No answer description available for this question.

Read More According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

During sensible heating of air, specific humidity remains constant.

Question: During sensible heating of air, specific humidity remains constant.
[A].

Agree
[B].
Disagree

Answer: Option A

Explanation:

No answer description available for this question.

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Hydraulics and Fluid Mechanics | Mechanical Engineering

Bulk modulus of a fluid is the ratio of

Question: Bulk modulus of a fluid is the ratio of
[A].

shear stress to shear strain
[B].
increase in volume to the viscosity of fluid
[C].
increase in pressure to the volumetric strain
[D].
critical velocity to the viscosity of fluid

Answer: Option C

Explanation:

No answer description available for this question.

Read More Bulk modulus of a fluid is the ratio of
Engineering Materials | Mechanical Engineering

Eutectoid reaction occurs at

Question: Eutectoid reaction occurs at
[A].

600°C
[B].
723°C
[C].
1147°C
[D].
1493°C

Answer: Option B

Explanation:

No answer description available for this question.

Read More Eutectoid reaction occurs at
Hydraulic Machines | Mechanical Engineering

The cavitation in reaction turbines is avoided, to a great extent by

Question: The cavitation in reaction turbines is avoided, to a great extent by
[A].

installing the turbine below the tail race level
[B].
using stainless steel runner of the turbine
[C].
providing highly polished blades to the runner
[D].
all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Read More The cavitation in reaction turbines is avoided, to a great extent by

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