CHEMICAL ENGINEERING | Heat Transfer

Corrosiveness of steam condensate is due to the presence of

Byadmin August 25, 2022

Question: Corrosiveness of steam condensate is due to the presence of
[A].

CO2

[B].

dissolved O2

[C].

both (a) & (b)

[D].

neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

Desert air coolers being rendered ineffective in rainy season is due to

Question: Desert air coolers being rendered ineffective in rainy season is due to
[A].

low humidity
[B].
low temperature
[C].
high humidity
[D].
sunny weather

Answer: Option C

Explanation:

No answer description available for this question.

Read More Desert air coolers being rendered ineffective in rainy season is due to
CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ can not be forged.

Question: __________ can not be forged.
[A].

High speed/carbon steel
[B].
Cast iron
[C].
Wrought iron
[D].
Mild steel

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ can not be forged.
CHEMICAL ENGINEERING | Mass Transfer

__________ is used as an ‘entrainer’ for the separation of acetic acid-water mixture by distillation.

Question: __________ is used as an ‘entrainer’ for the separation of acetic acid-water mixture by distillation.
[A].

Furfural
[B].
Benzol
[C].
Butyl acetate
[D].
Hexane

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ is used as an ‘entrainer’ for the separation of acetic acid-water mixture by distillation.
CHEMICAL ENGINEERING | Materials and Construction

__________ iron is produced, when molten pig iron is chilled suddenly.

Question: __________ iron is produced, when molten pig iron is chilled suddenly.
[A].

White cast
[B].
Grey cast
[C].
Wrought
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More __________ iron is produced, when molten pig iron is chilled suddenly.
CHEMICAL ENGINEERING | Fuels and Combustion

‘Fat coals’ are those coals which have very high

Question: ‘Fat coals’ are those coals which have very high
[A].

caking capacity.
[B].
volatile matter content.
[C].
fusion point of its ash.
[D].
inherent moisture content.

Answer: Option A

Explanation:

No answer description available for this question.

Read More ‘Fat coals’ are those coals which have very high
CHEMICAL ENGINEERING | Thermodynamics for Chemical

What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at temperature, TR (where, T1 and T2 are source & surrounding temperatures respectively.) ?

What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at temperature, TR (where, T1 and T2 are source & surrounding temperatures respectively.) ?

A. TR/(T2 – TR) × (T1 – T2)/T1
B. TR/(T2 – TR) × T1/(T1 – T2)
C. TR/(T1 – TR) × (T1 – T2)/T1
D. None of these

Read More What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at temperature, TR (where, T1 and T2 are source & surrounding temperatures respectively.) ?

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