CHEMICAL ENGINEERING | Heat Transfer

With the increase of temperature, the Col-burn jH factor

Byadmin August 25, 2022

Question: With the increase of temperature, the Col-burn jH factor
[A].

increases.

[B].

decreases.

[C].

remains unchanged.

[D].

may increase or decrease ; depending on temperature.

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Reaction Engineering

__________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction.

Question: __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction.
[A].

Gas film diffusion
[B].
Ash diffusion
[C].
Chemical reaction
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction.
CHEMICAL ENGINEERING

Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water) ?

Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water) ?

A. Aluminium
B. Copper
C. Titanium
D. Stainless steel

Read More Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water) ?
CHEMICAL ENGINEERING | Chemical Reaction Engineering

The reactions with low activation energy are

Question: The reactions with low activation energy are
[A].

always spantaneous
[B].
slow
[C].
fast
[D].
non-spontaneous

Answer: Option C

Explanation:

No answer description available for this question.

Read More The reactions with low activation energy are
CHEMICAL ENGINEERING | Mass Transfer

Most important factor to be considered in the selection of packings for absorbers is the __________ of packing.

Question: Most important factor to be considered in the selection of packings for absorbers is the __________ of packing.
[A].

size
[B].
durability
[C].
porosity
[D].
cost

Answer: Option C

Explanation:

No answer description available for this question.

Read More Most important factor to be considered in the selection of packings for absorbers is the __________ of packing.
CHEMICAL ENGINEERING | Heat Transfer

In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid.

Question: In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid.
[A].

nucleate
[B].
pool
[C].
low pressure
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid.
CHEMICAL ENGINEERING | Chemical Reaction Engineering

Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the

Question: Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the
[A].

activation energy
[B].
equilibrium constant
[C].
heat of reaction
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the

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