CHEMICAL ENGINEERING | Fuels and Combustion

During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass.

Byadmin August 19, 2022

Question: During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass.
[A].

density

[B].

porosity

[C].

electrical resistivity

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING

Broaching tools are usually made of____________________?

Broaching tools are usually made of____________________?

A. Cermets
B. High speed steel
C. Tungsten carbide
D. Stellite

Read More Broaching tools are usually made of____________________?
CHEMICAL ENGINEERING | Heat Transfer

Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the

Question: Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the
[A].

existence of thermal boundary layer.
[B].
temperature gradient produced due to density difference
[C].
buoyancy of the bubbles produced at active nucleation site.
[D].
none of these.

Answer: Option D

Explanation:

No answer description available for this question.

Read More Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the
Fuels and Combustion

For every 10% increase in the excess air; the fuel consumption increases by _______________ percent?

For every 10% increase in the excess air; the fuel consumption increases by _______________ percent?

A. 0.1
B. 0.2
C. 0.5
D. 1.0

Read More For every 10% increase in the excess air; the fuel consumption increases by _______________ percent?
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 | Chemical Engineering Thermodynamics

A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount”. This is

Question: A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount”. This is
[A].

the distribution law.
[B].
followed from Margule’s equation.
[C].
a corollary of Henry’s law.
[D].
none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Read More A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount”. This is
CHEMICAL ENGINEERING | Mass Transfer

In the layout plan for a vacuum distillation unit, operating at 60 mm Hg, supported by a barometric condenser, the appropriate place for the location of vacuum drum for collecting the distillate will be

Question: In the layout plan for a vacuum distillation unit, operating at 60 mm Hg, supported by a barometric condenser, the appropriate place for the location of vacuum drum for collecting the distillate will be
[A].

at ground level.
[B].
2 metres above the ground.
[C].
5 metres above ground.
[D].
10 metres above ground.

Answer: Option A

Explanation:

No answer description available for this question.

Read More In the layout plan for a vacuum distillation unit, operating at 60 mm Hg, supported by a barometric condenser, the appropriate place for the location of vacuum drum for collecting the distillate will be

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