CHEMICAL ENGINEERING | Heat Transfer

Maximum heat transfer rate is obtained in __________ flow.

Byadmin August 23, 2022

Question: Maximum heat transfer rate is obtained in __________ flow.
[A].

laminar

[B].

turbulent

[C].

creeping

[D].

transition region

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Process

A bio-catalyst produced by living cells which acts independent of the cell is called a/an

Question: A bio-catalyst produced by living cells which acts independent of the cell is called a/an
[A].

substrate
[B].
enzyme
[C].
nutrient
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More A bio-catalyst produced by living cells which acts independent of the cell is called a/an
CHEMICAL ENGINEERING | Fuels and Combustion

Abrasion index of blast furnace coke should be around __________ percent.

Question: Abrasion index of blast furnace coke should be around __________ percent.
[A].

20
[B].
35
[C].
55
[D].
80

Answer: Option D

Explanation:

No answer description available for this question.

Read More Abrasion index of blast furnace coke should be around __________ percent.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In case of solids, the heat transfer takes place according to radiation.

Question: In case of solids, the heat transfer takes place according to radiation.
[A].

Correct
[B].
Incorrect

Answer: Option B

Explanation:

No answer description available for this question.

Read More In case of solids, the heat transfer takes place according to radiation.
CHEMICAL ENGINEERING | Mass Transfer

If a1 and a2 are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement.

Question: If a1 and a2 are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement.
[A].

a1 = a2
[B].
a1 = 2a2
[C].
a1 = 0.5 a2
[D].
none of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More If a1 and a2 are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement.
CHEMICAL ENGINEERING

With increase in temperature, the electrical conductivity of semiconductors_____________________?

With increase in temperature, the electrical conductivity of semiconductors_____________________?

A. Increases
B. Decreases
C. Remain constant
D. Either A. or B. depends on the type of semi-conductor

Read More With increase in temperature, the electrical conductivity of semiconductors_____________________?
CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ circuit is most commonly used to measure strain with the help of a strain gauge.

Question: __________ circuit is most commonly used to measure strain with the help of a strain gauge.
[A].

Ballast
[B].
Voltage balancing potentiometric
[C].
Simple current sensitive
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ circuit is most commonly used to measure strain with the help of a strain gauge.

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