M C Q s D r i v e

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.

_____________ has the widest inflammability limit (explosion limit) of all the gases?

A Hydrogen
B Carbon monoxide
C Acetylene
D Methane
Correct Answer: Acetylene

A good metallurgical coke___________________?

A Should have high porosity
B Should be brittle
C Must contain moderate quantities of ash, moisture, sulphur and volatile matters
D Should have low fusion point of its ash
Correct Answer: Should have high porosity

The cuprous chloride used in orsat apparatus can absorb___________________?

A Only CO
B Both CO and CO2
C Both CO and O2
D All CO, CO2, and O2
Correct Answer: All CO, CO2, and O2

A gaseous fuel in order to develop luminosity on burning, must contain __________________?

A Carbon monoxide
B Hydrocarbons
C Hydrogen
D Oxygen
Correct Answer: Hydrocarbons

L.D. converter gas (produced in steel plant) comprises mainly of ___________________?

A CO (upto 65%) & CO2
B CO2 & H2
C CO & O2
D CO2 & O2
Correct Answer: CO (upto 65%) & CO2

Highly caking coals_____________________?

A Produce weak coke
B Produce strong coke
C May damage the coke oven walls during carbonisation
D Both B. and C.
Correct Answer: Both B. and C.

The hottest part of the flame lies in its _______________ zone?

A Non-luminous
B Luminous
C Yellow
D Unburnt gases
Correct Answer: Non-luminous

The average molecular weight of a flue gas having the composition by volume as CO2 = 25%, O2 = 25%, N2 = 50% will be___________________?

A 27.6
B 23
C 47.3
D 42.9
Correct Answer: 23

Optimum preheating temperature for pitch creosote mixture (PCM) which is also termed as C.T.F-200, before atomisation through burners is_________________?

A 200 °F
B 200 °C
C 200 °K
D 200 °R
Correct Answer: 200 °F

Gross calorific value will be equal to the net calorific value for __________________?

A H2
B C2H2
C CO
D C2H6
Correct Answer: CO