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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

Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its ___________________?
A Emissivity factor is higher
B Sulphur content is lower
C Flue gas has lower dew point thereby facilitating more waste heat recovery
D All A., B. and C.
Correct Answer: All A., B. and C.
Incomplete combustion of a fuel is characterised by the high _______________ in the flue gas?
A Smoke
B Temperature
C Oxygen
D Carbon monoxide
Correct Answer: Carbon monoxide
Very ______________ coals are completely devoid of cokability i.e., it is non-coking ?
A Young
B Mature
C Both A & B
D Neither A nor B
Correct Answer: Both A & B
High excess air in combustion of fuels results in____________________?
A Increased fuel consumption
B Incomplete combustion
C Smoky flame
D None of these
Correct Answer: Increased fuel consumption
“Micum Index” of a coke is a measure of its___________________?
A Reactivity
B Porosity
C Bulk density
D Hardness & strength
Correct Answer: Hardness & strength
_____________ 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
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