In case of solids, the heat transfer takes place according to radiation.

Byadmin September 14, 2022

Question: In case of solids, the heat transfer takes place according to radiation.
[A].

Correct

[B].

Incorrect

Answer: Option B

Explanation:

No answer description available for this question.

Engineering Materials | Mechanical Engineering

Closed packed hexagonal space lattice is found in

Question: Closed packed hexagonal space lattice is found in
[A].

zinc, magnesium, cobalt, cadmium, antimony and bismuth
[B].
gamma-iron, aluminium, copper, lead, silver and nickel
[C].
alpha-iron, tungsten, chromium and molybdenum
[D].
none of the above

Answer: Option A

Explanation:

No answer description available for this question.

Read More Closed packed hexagonal space lattice is found in
Engineering Materials | Mechanical Engineering

The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is

Question: The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is
[A].

chromium
[B].
nickel
[C].
vanadium
[D].
cobalt

Answer: Option D

Explanation:

No answer description available for this question.

Read More The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

During sub-cooling, sensible heat from a liquid refrigerant is removed.

Question: During sub-cooling, sensible heat from a liquid refrigerant is removed.
[A].

Yes
[B].
No

Answer: Option A

Explanation:

No answer description available for this question.

Read More During sub-cooling, sensible heat from a liquid refrigerant is removed.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is

Question: In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
[A].

reversed Carnot cycle
[B].
reversed Joule cycle
[C].
reversed Brayton cycle
[D].
reversed Otto cycle

Answer: Option C

Explanation:

No answer description available for this question.

Read More In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
Heat Transfer

Temperature of steam at around 540°C can be measured by ____________________?

Temperature of steam at around 540°C can be measured by ____________________?

A. thermometer
B. radiatiouv pyrometer
C. thermistor
D. thermocouple
E. thermopile

Read More Temperature of steam at around 540°C can be measured by ____________________?
Hydraulics and Fluid Mechanics | Mechanical Engineering

If a body floating in a liquid does not return back to its original position, and heels farther “away when given a small angular displacement, the body is said to be in neutral equilibrium.

Question: If a body floating in a liquid does not return back to its original position, and heels farther “away when given a small angular displacement, the body is said to be in neutral equilibrium.
[A].

Yes
[B].
No

Answer: Option B

Explanation:

No answer description available for this question.

Read More If a body floating in a liquid does not return back to its original position, and heels farther “away when given a small angular displacement, the body is said to be in neutral equilibrium.

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