Engineering Materials | Mechanical Engineering

Crystal structure of a material is, generally, examined by

Byadmin September 14, 2022

Question: Crystal structure of a material is, generally, examined by
[A].

naked eye

[B].

optical microscope

[C].

metallurgical microscope

[D].

X-ray techniques

Answer: Option D

Explanation:

No answer description available for this question.

Ic Engines And Nuclear Power Plants | Mechanical Engineering

In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure.

Question: In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure.
[A].

equal to
[B].
below
[C].
above

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure.
Engineering Materials

Eutectoid steel contains following percentage of carbon_______________?

Eutectoid steel contains following percentage of carbon_______________?

A. 0.02%
B. 0.3%
C. 0.63%
D. 0.8%
E. 1.2%.

Read More Eutectoid steel contains following percentage of carbon_______________?
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

Hydrogen is used in electrolux refrigeration system so as to __________ the rate of evaporation of the liquid ammonia passing through the evaporator.

Question: Hydrogen is used in electrolux refrigeration system so as to __________ the rate of evaporation of the liquid ammonia passing through the evaporator.
[A].

equalise
[B].
reduce
[C].
increase

Answer: Option C

Explanation:

No answer description available for this question.

Read More Hydrogen is used in electrolux refrigeration system so as to __________ the rate of evaporation of the liquid ammonia passing through the evaporator.
Engineering Mechanics | Mechanical Engineering

A science teacher claimed that Newton’s third law of motion is involved while studying the motion of rockets. His statement is

Question: A science teacher claimed that Newton’s third law of motion is involved while studying the motion of rockets. His statement is
[A].

justified
[B].
not justified

Answer: Option A

Explanation:

No answer description available for this question.

Read More A science teacher claimed that Newton’s third law of motion is involved while studying the motion of rockets. His statement is
Engineering Mechanics | Mechanical Engineering

One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by(where δ = Deflection of the spring.)

Question: One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by(where δ = Deflection of the spring.)
[A].

[B].

[C].

[D].

Answer: Option B

Explanation:

No answer description available for this question.

Read More One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by(where δ = Deflection of the spring.)
Engineering Mechanics | Mechanical Engineering

A body will begin to move down an inclined plane if the angle of inclination of the plane is __________ the angle of friction.

Question: A body will begin to move down an inclined plane if the angle of inclination of the plane is __________ the angle of friction.
[A].

equal to
[B].
less than
[C].
greater than

Answer: Option C

Explanation:

No answer description available for this question.

Read More A body will begin to move down an inclined plane if the angle of inclination of the plane is __________ the angle of friction.