CHEMICAL ENGINEERING | Chemical Engineering Basics

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

Byadmin August 3, 2022

Question: All of the following alloying elements of steel increases hardness but sacrifice ductility, except
[A].

nickel

[B].

vanadium

[C].

molybdenum

[D].

chromium

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Claussius-Clayperon equation gives accurate result, when the

Question: Claussius-Clayperon equation gives accurate result, when the
[A].

vapour pressure is relatively low and the temperature does not vary over wide limits.
[B].
vapour obeys the ideal gas law and the latent heat of vaporisation is constant.
[C].
volume in the liquid state is negligible compared with that in the vapour state.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Claussius-Clayperon equation gives accurate result, when the
CHEMICAL ENGINEERING | Chemical Engineering Basics

With increase in carbon percentage in steel, its

Question: With increase in carbon percentage in steel, its
[A].

yield stress decreases.
[B].
elongation percent increases.
[C].
tensile strength increases.
[D].
impact strength increases.

Answer: Option C

Explanation:

No answer description available for this question.

Read More With increase in carbon percentage in steel, its
CHEMICAL ENGINEERING | Heat Transfer

In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of

Question: In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of
[A].

concentrations
[B].
chemical potentials
[C].
activity co-efficients
[D].
mass transfer co-efficients

Answer: Option A

Explanation:

No answer description available for this question.

Read More In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of
CHEMICAL ENGINEERING | Chemical Reaction Engineering

A batch reactor suffers from following disadvantage.

Question: A batch reactor suffers from following disadvantage.
[A].

Poor product quality control.
[B].
High labour and handling cost.
[C].
High shutdown time requirement for emptying, cleaning and refilling.
[D].
All (a), (b)and(c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More A batch reactor suffers from following disadvantage.
CHEMICAL ENGINEERING | Fluid Mechanics

In power law, , then the fluid is

Question: In power law, , then the fluid is
[A].

Newtonian
[B].
dilatant
[C].
thixotropic
[D].
rheopectic

Answer: Option A

Explanation:

No answer description available for this question.

Read More In power law, , then the fluid is
CHEMICAL ENGINEERING | Mass Transfer

An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is

Question: An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is
[A].

0.048
[B].
0.079
[C].
0.122
[D].
0.152

Answer: Option D

Explanation:

No answer description available for this question.

Read More An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is

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