Engineering Materials | Mechanical Engineering

For the pipe fitting like elbow, tee, union etc., which of the following is preferred?

Byadmin September 14, 2022

Question: For the pipe fitting like elbow, tee, union etc., which of the following is preferred?
[A].

Pig iron

[B].

Malleable iron

[C].

Spheroidal graphite cast iron

[D].

High carbon steel

Answer: Option B

Explanation:

No answer description available for this question.

Engineering Materials | Mechanical Engineering

An eutectoid steel consists of

Question: An eutectoid steel consists of
[A].

wholly pearlite
[B].
wholly austenite
[C].
pearlite and ferrite
[D].
pearlite and cementite

Answer: Option A

Explanation:

No answer description available for this question.

Read More An eutectoid steel consists of
Industrial Engineering And Production Management | Mechanical Engineering

Fixed position layout is also known as

Question: Fixed position layout is also known as
[A].

analytical layout
[B].
synthetic layout
[C].
static product layout
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More Fixed position layout is also known as
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called

Question: A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called
[A].

dry air
[B].
moist air
[C].
saturated air
[D].
specific humidity

Answer: Option C

Explanation:

No answer description available for this question.

Read More A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called
Engineering Materials | Mechanical Engineering

Cementite consist of

Question: Cementite consist of
[A].

13% carbon and 87% ferrite
[B].
13% cementite and 87% ferrite
[C].
13% ferrite and 87% cementite
[D].
6.67% carbon and 93.33% iron

Answer: Option D

Explanation:

No answer description available for this question.

Read More Cementite consist of
Hydraulics and Fluid Mechanics | Mechanical Engineering

According to Newton’s law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain.

Question: According to Newton’s law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain.
[A].

equal to
[B].
directly proportional
[C].
inversely proportional

Answer: Option B

Explanation:

No answer description available for this question.

Read More According to Newton’s law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

According to Stefan’s law, the total radiation from a black body per second per unit area is directly proportional to the fourth power of the absolute temperature.

Question: According to Stefan’s law, the total radiation from a black body per second per unit area is directly proportional to the fourth power of the absolute temperature.
[A].

Correct
[B].
Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

Read More According to Stefan’s law, the total radiation from a black body per second per unit area is directly proportional to the fourth power of the absolute temperature.

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