CHEMICAL ENGINEERING | Heat Transfer

With increase in temperature, the total emissivity of conductors

Byadmin August 25, 2022

Question: With increase in temperature, the total emissivity of conductors
[A].

increases

[B].

decreases

[C].

remains same

[D].

decreases linearly

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Reaction Engineering

A reactor is generally termed as an autoclave, when it is a

Question: A reactor is generally termed as an autoclave, when it is a
[A].

high pressure batch reactor.
[B].
atmospheric pressure tank reactor.
[C].
high pressure tubular reactor.
[D].
atmospheric pressure CSTR.

Answer: Option A

Explanation:

No answer description available for this question.

Read More A reactor is generally termed as an autoclave, when it is a
CHEMICAL ENGINEERING | Mass Transfer

Deairation (removal of O2) of water is done by

Question: Deairation (removal of O2) of water is done by
[A].

rectification
[B].
absorption
[C].
ion-exchange
[D].
adsorption

Answer: Option C

Explanation:

No answer description available for this question.

Read More Deairation (removal of O2) of water is done by
CHEMICAL ENGINEERING | Fuels and Combustion

Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if

Question: Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if
[A].

it contains large amount of volatile matter.
[B].
it is stored in tall heaps.
[C].
smaller fines are stored in large quantity.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if
CHEMICAL ENGINEERING | Heat Transfer

Convective heat transfer, in which heat is transferred by movement of warmed matter is described by

Question: Convective heat transfer, in which heat is transferred by movement of warmed matter is described by
[A].

Fourier’s law
[B].
Newton’s law of cooling
[C].
Fick’s law
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Convective heat transfer, in which heat is transferred by movement of warmed matter is described by
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.

Question: Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.
[A].

reaction mechanism
[B].
calculation of rates
[C].
energy transformation from one form to the another
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.
CHEMICAL ENGINEERING | Heat Transfer

Nucleate boiling is promoted

Question: Nucleate boiling is promoted
[A].

on polished surfaces
[B].
on rough surfaces
[C].
in the absence of agitation
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Nucleate boiling is promoted

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