Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is

Byadmin August 25, 2022

Question: Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is
[A].

finned tube heat exchanger with air inside and steam outside.

[B].

finned tube heat exchanger with air outside and steam inside.

[C].

shell and tube heat exchanger with air inside tubes and steam on shell side.

[D].

shell and tube heat exchanger with air on shell side and steam inside tubes.

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

In the reaction, represented by, 2SO2 + O2 2SO3; ΔH = – 42 kcal; the forward reaction will be favoured by

Question: In the reaction, represented by, 2SO2 + O2 2SO3; ΔH = – 42 kcal; the forward reaction will be favoured by
[A].

low temperature
[B].
high pressure
[C].
both (a) and (b)
[D].
neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

Read More In the reaction, represented by, 2SO2 + O2 2SO3; ΔH = – 42 kcal; the forward reaction will be favoured by
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

An isentropic process is carried out at constant

Question: An isentropic process is carried out at constant
[A].

volume
[B].
pressure
[C].
temperature
[D].
all (a), (b) and (c)

Answer: Option A

Explanation:

No answer description available for this question.

Read More An isentropic process is carried out at constant
CHEMICAL ENGINEERING | Heat Transfer

For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally

Question: For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally
[A].

decreases
[B].
increases
[C].
remains unchanged
[D].
increases exponentially

Answer: Option A

Explanation:

No answer description available for this question.

Read More For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally
CHEMICAL ENGINEERING | Mass Transfer

With increase in the liquid flow rate at a fixed gas velocity in a randomly packed counter current gas-liquid absorption column, the gas pressure drop

Question: With increase in the liquid flow rate at a fixed gas velocity in a randomly packed counter current gas-liquid absorption column, the gas pressure drop
[A].

decreases
[B].
remains unchanged
[C].
increases
[D].
decreases exponentially

Answer: Option C

Explanation:

No answer description available for this question.

Read More With increase in the liquid flow rate at a fixed gas velocity in a randomly packed counter current gas-liquid absorption column, the gas pressure drop
CHEMICAL ENGINEERING | Chemical Engineering Basics

Non-ferrous alloys used for making cutting tools need not have high

Question: Non-ferrous alloys used for making cutting tools need not have high
[A].

abrasion resistance
[B].
toughness
[C].
red hardness
[D].
cutting speed

Answer: Option B

Explanation:

No answer description available for this question.

Read More Non-ferrous alloys used for making cutting tools need not have high
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

In an adiabatic process, the

Question: In an adiabatic process, the
[A].

heat transfer is zero.
[B].
temperature change is zero.
[C].
work done is a path function.
[D].
enthalpy remains constant.

Answer: Option A

Explanation:

No answer description available for this question.

Read More In an adiabatic process, the

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