Heat Transfer

Depending on the radiating properties, body will be transparent when________________?

Byadmin January 24, 2019August 16, 2021

Depending on the radiating properties, body will be transparent when________________?

A. p = 0, x = 0 and a = 1
B. p=l,x = 0,anda = 0
C. p = 0, T= l,anda = 0
D. X = 0, a + p = 1
E. a = 0,x + p= 1

Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

The air cooling system mostly used in transport type aircrafts is

Question: The air cooling system mostly used in transport type aircrafts is
[A].

simple air cooling system
[B].
simple evaporative air cooling system
[C].
boot-strap air cooling system
[D].
all of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More The air cooling system mostly used in transport type aircrafts is
CHEMICAL ENGINEERING | Heat Transfer

Fqra cold viscous feed, backward feed gives __________ than forward feed.

Question: Fqra cold viscous feed, backward feed gives __________ than forward feed.
[A].

a higher capacity
[B].
a lower capacity
[C].
lower economy
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Fqra cold viscous feed, backward feed gives __________ than forward feed.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In a refrigerating machine, heat rejected is __________ heat absorbed.

Question: In a refrigerating machine, heat rejected is __________ heat absorbed.
[A].

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

Answer: Option C

Explanation:

No answer description available for this question.

Read More In a refrigerating machine, heat rejected is __________ heat absorbed.
CHEMICAL ENGINEERING | Heat Transfer

Duhring rule is important in solving problems on

Question: Duhring rule is important in solving problems on
[A].

distillation
[B].
crystallisation
[C].
evaporation
[D].
humidification

Answer: Option C

Explanation:

No answer description available for this question.

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Heat Transfer

Total heat is the heat required to__________________?

Total heat is the heat required to__________________?

A. change vapour into liquid
B. change liquid into vapour
C. increase the temperature of a liquid or vapour
D. convert water into steam and superheat it
E. convert saturated steam into dry steam

Read More Total heat is the heat required to__________________?
CHEMICAL ENGINEERING | Heat Transfer

Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the

Question: Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the
[A].

existence of thermal boundary layer.
[B].
temperature gradient produced due to density difference
[C].
buoyancy of the bubbles produced at active nucleation site.
[D].
none of these.

Answer: Option D

Explanation:

No answer description available for this question.

Read More Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the

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