CHEMICAL ENGINEERING | Fuels and Combustion

Low temperature oxidation of coal during storage does not decrease its

Byadmin August 19, 2022

Question: Low temperature oxidation of coal during storage does not decrease its
[A].

oxygen content

[B].

caking power

[C].

calorific value

[D].

none of these

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

Brazing filler metal used for joining steel plates

Question: Brazing filler metal used for joining steel plates
[A].

melts below the melting points of base metals.
[B].
melts below 300°C.
[C].
is copper phosphorous alloy.
[D].
is copper.

Answer: Option A

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Fluid Mechanics

A centrifugal pump designed for handling water (μ = 1 cp) will deliver __________ when pumping a thicker oil (μ = 30 cp).

Question: A centrifugal pump designed for handling water (μ = 1 cp) will deliver __________ when pumping a thicker oil (μ = 30 cp).
[A].

less head & capacity
[B].
more head
[C].
more capacity
[D].
less head & more capacity

Answer: Option A

Explanation:

No answer description available for this question.

Read More A centrifugal pump designed for handling water (μ = 1 cp) will deliver __________ when pumping a thicker oil (μ = 30 cp).
CHEMICAL ENGINEERING | Chemical Reaction Engineering

For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption.

Question: For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption.
[A].

physical
[B].
chemical
[C].
both (a) and (b)
[D].
neither (a) nor (b)

Answer: Option B

Explanation:

No answer description available for this question.

Read More For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption.
CHEMICAL ENGINEERING | Fluid Mechanics

__________ flow means the flow of incompressible fluid with no shear.

Question: __________ flow means the flow of incompressible fluid with no shear.
[A].

Potential
[B].
Streamline
[C].
Creep
[D].
Boundary layer

Answer: Option A

Explanation:

No answer description available for this question.

Read More __________ flow means the flow of incompressible fluid with no shear.
CHEMICAL ENGINEERING | Fluid Mechanics

Check valve is used for __________ flow.

Question: Check valve is used for __________ flow.
[A].

very precise control of
[B].
unidirectional
[C].
multidirectional
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Check valve is used for __________ flow.
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in

Question: Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in
[A].

increased COP.
[B].
same COP.
[C].
decreased COP.
[D].
increased or decreased COP ; depending upon the type of refrigerant.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in

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