CHEMICAL ENGINEERING | Environmental Engineering

Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels.

Byadmin August 13, 2022

Question: Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels.
[A].

120

[B].

140

[C].

170

[D].

200

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

Out of the following, __________ waves have the largest wavelength.

Question: Out of the following, __________ waves have the largest wavelength.
[A].

radio
[B].
light
[C].
X-ray
[D].
Gamma-ray

Answer: Option A

Explanation:

No answer description available for this question.

Read More Out of the following, __________ waves have the largest wavelength.
CHEMICAL ENGINEERING | Chemical Process

__________ is produced by the dehydrogenation of ethyl benzene.

Question: __________ is produced by the dehydrogenation of ethyl benzene.
[A].

Styrene
[B].
Ethyl alcohol
[C].
Cumene
[D].
Phenol

Answer: Option A

Explanation:

No answer description available for this question.

Read More __________ is produced by the dehydrogenation of ethyl benzene.
CHEMICAL ENGINEERING | Fluid Mechanics

For pipes that must be broken at intervals for maintenance, the connector used should be a/an

Question: For pipes that must be broken at intervals for maintenance, the connector used should be a/an
[A].

union
[B].
tee
[C].
reducer
[D].
elbow

Answer: Option A

Explanation:

No answer description available for this question.

Read More For pipes that must be broken at intervals for maintenance, the connector used should be a/an
CHEMICAL ENGINEERING | Chemical Reaction Engineering

In the hydrodealkylation of toluene to benzene, the following reactions occur:C7H8 + H2 C6H6 + CH42C6H6 C12H10 + H2Toluene and hydrogen are fed to a reactor in a molar ratio 1:5.80% of the toluene gets converted and the selectivity of benzene(defined as moles of benzene formed/moles of toluene converted) is 90%. The fractional conversion of hydrogen is

Question: In the hydrodealkylation of toluene to benzene, the following reactions occur:C7H8 + H2 C6H6 + CH42C6H6 C12H10 + H2Toluene and hydrogen are fed to a reactor in a molar ratio 1:5.80% of the toluene gets converted and the selectivity of benzene(defined as moles of benzene formed/moles of toluene converted) is 90%. The fractional conversion of hydrogen is
[A].

0.16
[B].
0.144
[C].
0.152
[D].
0.136

Answer: Option B

Explanation:

No answer description available for this question.

Read More In the hydrodealkylation of toluene to benzene, the following reactions occur:C7H8 + H2 C6H6 + CH42C6H6 C12H10 + H2Toluene and hydrogen are fed to a reactor in a molar ratio 1:5.80% of the toluene gets converted and the selectivity of benzene(defined as moles of benzene formed/moles of toluene converted) is 90%. The fractional conversion of hydrogen is
CHEMICAL ENGINEERING | Fuels and Combustion

Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent.

Question: Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent.
[A].

5
[B].
25
[C].
55
[D].
75

Answer: Option B

Explanation:

No answer description available for this question.

Read More Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent.
CHEMICAL ENGINEERING | Fuels and Combustion

A fuel with high heat release rate will

Question: A fuel with high heat release rate will
[A].

require smaller combustion chamber.
[B].
have high calorific value.
[C].
have high adiabatic flame temperature.
[D].
none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Read More A fuel with high heat release rate will

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