CHEMICAL ENGINEERING | Chemical Reaction Engineering

Half life period of a chemical reaction is proportional to CA0-1 , if the reaction is of __________ order.

Byadmin August 11, 2022

Question: Half life period of a chemical reaction is proportional to CA0-1 , if the reaction is of __________ order.
[A].

first

[B].

zero

[C].

second

[D].

third

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Heat Transfer

A body is called grey if the monochromatic emissivity of the body is

Question: A body is called grey if the monochromatic emissivity of the body is
[A].

zero
[B].
unity
[C].
same for all wavelengths
[D].
different for all wavelengths

Answer: Option C

Explanation:

No answer description available for this question.

Read More A body is called grey if the monochromatic emissivity of the body is
CHEMICAL ENGINEERING | Chemical Reaction Engineering

In a/an __________ reactor, there is exchange of heat with the surroundings with sizeable temperature variation.

Question: In a/an __________ reactor, there is exchange of heat with the surroundings with sizeable temperature variation.
[A].

adiabatic
[B].
isothermal
[C].
non-adiabatic
[D].
none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Read More In a/an __________ reactor, there is exchange of heat with the surroundings with sizeable temperature variation.
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the

Question: If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the
[A].

process must be isobaric.
[B].
temperature must decrease.
[C].
process must be adiabatic.
[D].
both (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the
CHEMICAL ENGINEERING | Chemical Process

__________ is an ore of lead.

Question: __________ is an ore of lead.
[A].

Quartz
[B].
Galena
[C].
Siderite
[D].
Chalcopyrite

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ is an ore of lead.
CHEMICAL ENGINEERING | Chemical Process

Molecular weights of polymers are in the range of

Question: Molecular weights of polymers are in the range of
[A].

102 – 102
[B].
105 – 109
[C].
102 – 107
[D].
109 – 1011

Answer: Option C

Explanation:

No answer description available for this question.

Read More Molecular weights of polymers are in the range of
CHEMICAL ENGINEERING

Fatigue limit improvement by over stressing the metal by successively increasing the load is called coaxing. In fatigue failure, the material fails ?

Fatigue limit improvement by over stressing the metal by successively increasing the load is called coaxing. In fatigue failure, the material fails ?

A. Below the yield point
B. Above the yield point
C. Below the elastic limit
D. At the elastic limit

Read More Fatigue limit improvement by over stressing the metal by successively increasing the load is called coaxing. In fatigue failure, the material fails ?

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