CHEMICAL ENGINEERING | Materials and Construction

Wrought iron is

Byadmin August 29, 2022

Question: Wrought iron is
[A].

high carbon iron.

[B].

highly resistance to acid corrosion.

[C].

malleable & ductile; and hence is used for chain links, hooks & couplings.

[D].

an alloy of iron, chromium & carbon.

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Polymer Technology

Properties of a polymer is affected by the

Question: Properties of a polymer is affected by the
[A].

chain length.
[B].
intermolecular forces.
[C].
branching & cross-linking.
[D].
all (a), (b).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Properties of a polymer is affected by the
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then(where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively)

Question: A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then(where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively)
[A].

Δ S1 is always < Δ SR
[B].
Δ S1 is sometimes > Δ SR
[C].
Δ S1 is always > Δ SR
[D].
Δ S1 is always = Δ SR

Answer: Option C

Explanation:

No answer description available for this question.

Read More A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then(where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively)
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Joule-Thomson co-efficient for a perfect gas is

Question: Joule-Thomson co-efficient for a perfect gas is
[A].

zero
[B].
positive
[C].
negative
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Joule-Thomson co-efficient for a perfect gas is
CHEMICAL ENGINEERING | Environmental Engineering

If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur.

Question: If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur.
[A].

50
[B].
500
[C].
1000
[D].
3000 (i.e. 0.3%)

Answer: Option D

Explanation:

No answer description available for this question.

Read More If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur.
CHEMICAL ENGINEERING | Heat Transfer

Latent heat absorbed by 1 lb of water at 212°F, when it is changed to steam at 212°F, may be around __________ BTU.

Question: Latent heat absorbed by 1 lb of water at 212°F, when it is changed to steam at 212°F, may be around __________ BTU.
[A].

180
[B].
970
[C].
3.97
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Latent heat absorbed by 1 lb of water at 212°F, when it is changed to steam at 212°F, may be around __________ BTU.
CHEMICAL ENGINEERING | Fuels and Combustion

Calorific value of coke oven gas is around __________ Kcal/Nm3.

Question: Calorific value of coke oven gas is around __________ Kcal/Nm3.
[A].

900
[B].
4200
[C].
7500
[D].
2000

Answer: Option B

Explanation:

No answer description available for this question.

Read More Calorific value of coke oven gas is around __________ Kcal/Nm3.

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