CHEMICAL ENGINEERING | Fuels and Combustion

Gross and net calorific value of a fuel will be the same

Byadmin August 17, 2022

Question: Gross and net calorific value of a fuel will be the same
[A].

if its ash content is zero.

[B].

ifits carbon content is very low.

[C].

if its hydrogen/hydrogen compound content is zero.

[D].

under no circumstances.

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

More than 1000 tons refrigeration capacity plants are usually of __________ type.

Question: More than 1000 tons refrigeration capacity plants are usually of __________ type.
[A].

vapour compression
[B].
vapour absorption
[C].
air refrigeration
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More More than 1000 tons refrigeration capacity plants are usually of __________ type.
CHEMICAL ENGINEERING | Fluid Mechanics

With increase in molecular weight of the gas, the head developed by a centrifugal compressor will

Question: With increase in molecular weight of the gas, the head developed by a centrifugal compressor will
[A].

decrease
[B].
increase
[C].
remain same
[D].
unpredictable

Answer: Option A

Explanation:

No answer description available for this question.

Read More With increase in molecular weight of the gas, the head developed by a centrifugal compressor will
Fuels and Combustion

Mott and Wheeler test is conducted on coke to find its _____________________?

Mott and Wheeler test is conducted on coke to find its _____________________?

A. Reactivity with O2
B. Abradability
C. Phosphorus content
D. Volatile matter content

Read More Mott and Wheeler test is conducted on coke to find its _____________________?
CHEMICAL ENGINEERING | Chemical Reaction Engineering

In an ideal mixed reactor (at steady state), the

Question: In an ideal mixed reactor (at steady state), the
[A].

space time is equivalent to holding time for constant density systems.
[B].
composition throughout the reactor remains same.
[C].
exit stream has the same composition as the fluid within the reactor.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More In an ideal mixed reactor (at steady state), the
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

‘The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture”. This is

Question: ‘The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture”. This is
[A].

the statement as per Gibbs-Helmholtz
[B].
called Lewis-Randall rule
[C].
Henry’s law
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More ‘The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture”. This is
CHEMICAL ENGINEERING | Chemical Reaction Engineering

In an exothermic reaction, the energy of the reacting substances as compared to that of products is

Question: In an exothermic reaction, the energy of the reacting substances as compared to that of products is
[A].

more
[B].
less
[C].
same
[D].
either (a) or (b), depends on order of reaction.

Answer: Option A

Explanation:

No answer description available for this question.

Read More In an exothermic reaction, the energy of the reacting substances as compared to that of products is

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