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Mechanical Engineering

Conduction is the process of heat transfer from one particle of the body to another by the actual motion of the heated particles.

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: Conduction is the process of heat transfer from one particle of the body to another by the actual motion of the heated particles.
[A].

True

[B].

False

Answer: Option B

Explanation:

No answer description available for this question.

Conduction is the process of heat transfer from one particle of the body to another by the actual motion of the heated particles. Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning

Conduction is a process of heat transfer

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: Conduction is a process of heat transfer
[A].

from one particle of the body to another without the actual motion of the particles

[B].

from one particle of the body to another by the actual motion of the heated particles.

[C].

from a hot body to a cold body, in a straight line, without affecting the intervening medium

[D].

none of the above

Answer: Option A

Explanation:

No answer description available for this question.

Conduction is a process of heat transfer Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning

According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through centre of gravity (i.e. IP) is given by(where, A = Area of the section, IG = Moment of inertia of the section about an axis passing through its C.G., and h = Distance between C.G. and the parallel axis.)

Engineering Mechanics, Mechanical Engineering /
Question: According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through centre of gravity (i.e. IP) is given by(where, A = Area of the section, IG = Moment of inertia of the section about an axis passing through its C.G., and h = Distance between C.G. and the parallel axis.)
[A].

IP = IG + Ah2

[B].

IP = IG – Ah2

[C].

IP = IG / Ah2

[D].

IP = Ah2 / IG

Answer: Option A

Explanation:

No answer description available for this question.

According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through centre of gravity (i.e. IP) is given by(where, A = Area of the section, IG = Moment of inertia of the section about an axis passing through its C.G., and h = Distance between C.G. and the parallel axis.) Read More »

Engineering Mechanics, Mechanical Engineering

Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.

Engineering Mechanics, Mechanical Engineering /
Question: Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.
[A].

nine times

[B].

six times

[C].

four times

[D].

two times

Answer: Option A

Explanation:

No answer description available for this question.

Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base. Read More »

Engineering Mechanics, Mechanical Engineering

Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is

Engineering Mechanics, Mechanical Engineering /
Question: Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is
[A].

bh3/4

[B].

bh3/8

[C].

bh3/ 12

[D].

bh3/ 36

Answer: Option C

Explanation:

No answer description available for this question.

Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is Read More »

Engineering Mechanics, Mechanical Engineering

Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is

Engineering Mechanics, Mechanical Engineering /
Question: Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is
[A].

bh3/4

[B].

bh3/8

[C].

bh3/12

[D].

bh3/36

Answer: Option D

Explanation:

No answer description available for this question.

Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is Read More »

Engineering Mechanics, Mechanical Engineering

Moment of inertia of a hollow circular section, as shown in the below figure about an axis perpendicular to the section, is __________ than that about X-X axis.

Engineering Mechanics, Mechanical Engineering /
Question: Moment of inertia of a hollow circular section, as shown in the below figure about an axis perpendicular to the section, is __________ than that about X-X axis.
[A].

two times

[B].

same

[C].

half

Answer: Option A

Explanation:

No answer description available for this question.

Moment of inertia of a hollow circular section, as shown in the below figure about an axis perpendicular to the section, is __________ than that about X-X axis. Read More »

Engineering Mechanics, Mechanical Engineering

Moment of inertia of a hollow circular section, as shown in the below figure about X-axis, is

Engineering Mechanics, Mechanical Engineering /
Question: Moment of inertia of a hollow circular section, as shown in the below figure about X-axis, is
[A].

[B].

[C].

[D].

Answer: Option D

Explanation:

No answer description available for this question.

Moment of inertia of a hollow circular section, as shown in the below figure about X-axis, is Read More »

Engineering Mechanics, Mechanical Engineering

Moment of inertia of a circular section about an axis perpendicular to the section is

Engineering Mechanics, Mechanical Engineering /
Question: Moment of inertia of a circular section about an axis perpendicular to the section is
[A].

πd3/16

[B].

πd3/32

[C].

πd4/32

[D].

πd4/64

Answer: Option C

Explanation:

No answer description available for this question.

Moment of inertia of a circular section about an axis perpendicular to the section is Read More »

Engineering Mechanics, Mechanical Engineering