CHEMICAL ENGINEERING | Chemical Engineering Basics

For the running of power generating turbines, the steam used should be

Byadmin July 30, 2022

Question: For the running of power generating turbines, the steam used should be
[A].

wet

[B].

superheated

[C].

at ordinary pressure

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Reaction Engineering

An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time.

Question: An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time.
[A].

increase
[B].
increase exponentially
[C].
decrease
[D].
remain unchanged

Answer: Option C

Explanation:

No answer description available for this question.

Read More An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time.
CHEMICAL ENGINEERING | Chemical Reaction Engineering

Consider the ‘n’ th order irreversible liquid phase reaction A B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot ?

Question: Consider the ‘n’ th order irreversible liquid phase reaction A B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot ?
[A].

CA0 Vs t1/2
[B].
ln CA0 Vs t1/2
[C].
CA0 Vs ln t1/2
[D].
ln CA0 Vs ln t1/2

Answer: Option C

Explanation:

No answer description available for this question.

Read More Consider the ‘n’ th order irreversible liquid phase reaction A B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot ?
CHEMICAL ENGINEERING | Fuels and Combustion

A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon

Question: A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon
[A].

is less liable to spontaneous combustion on storage.
[B].
is more difficult to ignite and produces a shorter flame.
[C].
requires smaller combustion space and less secondary air.
[D].
none of these.

Answer: Option D

Explanation:

No answer description available for this question.

Read More A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon
CHEMICAL ENGINEERING | Chemical Engineering Basics

If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

Question: If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.
[A].

critical
[B].
breeder
[C].
fertile
[D].
heterogenous

Answer: Option B

Explanation:

No answer description available for this question.

Read More If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.
CHEMICAL ENGINEERING | Fluid Mechanics

During ageing of fluid carrying pipes, the

Question: During ageing of fluid carrying pipes, the
[A].

pipe becomes smoother with use.
[B].
friction factor increases linearly with time.
[C].
absolute roughness decreases with time.
[D].
absolute roughness increases linearly with time.

Answer: Option D

Explanation:

No answer description available for this question.

Read More During ageing of fluid carrying pipes, the
CHEMICAL ENGINEERING | Thermodynamics for Chemical

Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will_________________?

Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will_________________?

A. Increase
B. Decrease
C. Remain unchanged
D. First fall and then rise

Read More Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will_________________?

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