CHEMICAL ENGINEERING | Chemical Process

Iron ore hametite is concentrated using

Byadmin August 10, 2022

Question: Iron ore hametite is concentrated using
[A].

electro magnetic separation mainly.

[B].

gravity separation.

[C].

froth floatation.

[D].

roasting.

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.)

Question: At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.)
[A].

μ° + RT ln f
[B].
μ°+ R lnf
[C].
μ° + T lnf
[D].
μ° + R/T lnf

Answer: Option A

Explanation:

No answer description available for this question.

Read More At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.)
CHEMICAL ENGINEERING | Chemical Engineering Basics

Filler metal is used in __________ welding.

Question: Filler metal is used in __________ welding.
[A].

braze
[B].
electric spot
[C].
projection
[D].
seam

Answer: Option A

Explanation:

No answer description available for this question.

Read More Filler metal is used in __________ welding.
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is

Question: While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is
[A].

infinity
[B].
unity
[C].
constant
[D].
negative

Answer: Option C

Explanation:

No answer description available for this question.

Read More While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is
CHEMICAL ENGINEERING | Chemical Engineering Basics

Maraging steels derive their strength from the following mechanism:

Question: Maraging steels derive their strength from the following mechanism:
[A].

A fine, highly dislocated and strong martensite.
[B].
Fine dispersions of intermetallics of Fe, Ni, Ti etc.
[C].
Fine dispersions of alloy carbides in a ferrite matrix.
[D].
Fine dispersions of Fe3 C nucleated on dislocations in austenite.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Maraging steels derive their strength from the following mechanism:
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

In a homogeneous solution, the activity co-efficient of a component depends upon the

Question: In a homogeneous solution, the activity co-efficient of a component depends upon the
[A].

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

Answer: Option D

Explanation:

No answer description available for this question.

Read More In a homogeneous solution, the activity co-efficient of a component depends upon the
CHEMICAL ENGINEERING | Heat Transfer

Correction is applied to LMTD for __________ flow.

Question: Correction is applied to LMTD for __________ flow.
[A].

parallel
[B].
counter
[C].
cross
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More Correction is applied to LMTD for __________ flow.

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