CHEMICAL ENGINEERING | Chemical Reaction Engineering

The catalytic activity of enzymes is due to their capacity to lower the __________ energy.

Byadmin August 11, 2022

Question: The catalytic activity of enzymes is due to their capacity to lower the __________ energy.
[A].

activation

[B].

potential

[C].

kinetic

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

Maximum production start up cost for making a chemical plant operational is about __________ percent of the fixed capital cost.

Question: Maximum production start up cost for making a chemical plant operational is about __________ percent of the fixed capital cost.
[A].

1
[B].
5
[C].
10
[D].
30

Answer: Option C

Explanation:

No answer description available for this question.

Read More Maximum production start up cost for making a chemical plant operational is about __________ percent of the fixed capital cost.
CHEMICAL ENGINEERING | Fuels and Combustion

__________ of the coal is the basis for Seylor’s coal classification.

Question: __________ of the coal is the basis for Seylor’s coal classification.
[A].

Proximate analysis
[B].
Ultimate analysis
[C].
Caking index
[D].
Calorific value

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ of the coal is the basis for Seylor’s coal classification.
CHEMICAL ENGINEERING | Heat Transfer

Heat flux is the time rate of heat transfer per unit

Question: Heat flux is the time rate of heat transfer per unit
[A].

length
[B].
area
[C].
volume
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Heat flux is the time rate of heat transfer per unit
CHEMICAL ENGINEERING | Chemical Reaction Engineering

A chemical reaction, A 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is

Question: A chemical reaction, A 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is
[A].

0.33
[B].
0.5
[C].
1
[D].
data insufficient, can’t be predicted

Answer: Option C

Explanation:

No answer description available for this question.

Read More A chemical reaction, A 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is
CHEMICAL ENGINEERING | Chemical Engineering Basics

Paint spray gun works on the principle of

Question: Paint spray gun works on the principle of
[A].

Bernoulli’s theorem.
[B].
Boyle’s law.
[C].
Newton’s law of viscosity.
[D].
none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Paint spray gun works on the principle of
CHEMICAL ENGINEERING | Heat Transfer

Absorptivity and refletivity of a perfect black body are respectively

Question: Absorptivity and refletivity of a perfect black body are respectively
[A].

1 and 0
[B].
0 and 1
[C].
1 and ∞
[D].
0 and 0.5

Answer: Option A

Explanation:

No answer description available for this question.

Read More Absorptivity and refletivity of a perfect black body are respectively

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