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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

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
Light oil whose major component is Benzol, is obtained by the distillation of crude tar in the temperature range of _____________ °C?
A 80-170
B 200-300
C 250-270
D 280-300
Correct Answer: 80-170
‘Mixed gas’ used in steel plants is a mixture of___________________?
A B.F. gas and coke oven gas
B Coke oven gas and converter gas
C Coke oven gas and L.P.G
D Blast furnace gas and naphtha vapor
Correct Answer: B.F. gas and coke oven gas
Preheating of combustion air is done to ___________________?
A Increase the adiabatic flame temperature
B Increase the calorific value of the fuel
C Complete the combustion of fuel
D Reduce its requirement for effecting the complete combustion
Correct Answer: Increase the adiabatic flame temperature
The temperature at which plastic layer formation takes place during carbonisation of coal varies from ______________ °C ?
A 100 to 150
B 350 to 450
C 550 to 650
D 700 to 850
Correct Answer: 350 to 450
Coal containing large quantity of _______________ are difficult to wash?
A Ash
B Inherent mineral matter
C Free impurities
D Volatile matter
Correct Answer: Inherent mineral matter
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