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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

Air/gas ratio for complete combustion will be the highest for__________________?
A LPG
B Gobar gas
C Coke oven gas
D Carburetted water gas
Correct Answer: LPG
Which of the following is not a by-product recovered in a high temperature coal carbonisation plant ?
A Benzol
B Pitch-creosote mixture (PCM)
C Naphthalene
D Ethylene
Correct Answer: Ethylene
The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always___________________?
A 1
B < 1
C > 1
D Unpredictable
Correct Answer: 1
A good coking coal should have high ______________ content?
A Ash
B Sulphur & phosphorus
C Moisture
D None of these
Correct Answer: None of these
Gross & net calorific value is the same for___________________?
A Blast furnace gas
B Coke oven gas
C L.D. converter gas
D None of these
Correct Answer: L.D. converter gas
Removal of hydrogen from coke oven gas ___________________?
A Increases its calorific value
B Decreases its calorific value
C Does not alter its calorific value
D Is not possible on commercial scale
Correct Answer: Increases its calorific value
Fossil fuels mean___________________?
A Solid fuels
B Liquid fuels
C Those fuels which are found in the crust of earth
D Premature fuels with low calorific value
Correct Answer: Those fuels which are found in the crust of earth
Deficiency of combustion air during combustion of a gaseous fuel_____________________?
A Lengthens the flame
B Causes heat loss of fuel by its partial combustion
C Both A. & B.
D Shortens the flame
Correct Answer: Both A. & B.
Junker’s calorimeter is used to determine the calorific value of______________________?
A Pulverised coal
B Gaseous fuels
C Fuel oil
D None of these
Correct Answer: Gaseous fuels
Which of the following can be made into briquettes without the use of a binder ?
A Lignite
B Bituminous coal
C Anthracite coal
D None of these
Correct Answer: Lignite
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