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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

The Killer gas which caused Bhopal gas tragedy in 1984 was________________?
A Phosgene
B Methyl isocyanate (MIC)
C Carbon monoxide
D Sulphur dioxide
Correct Answer: Methyl isocyanate (MIC)
Which of the following industries discharge mercury as a pollutant ?
A Chloro-alkali industry
B Tanneries
C Beverage plant
D Phosphoric acid plant
Correct Answer: Chloro-alkali industry
The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of _____________ of water?
A Dissolved oxygen content
B Biological oxygen demand
C Vapor pressure
D All A., B. and C.
Correct Answer: Dissolved oxygen content
Peroxyacetyl nitrate (PAN), a pollutant is found in the_________________?
A Automobile exhaust
B Flue gas of coal based power plant
C Exhaust of nitric acid plant
D Exhaust of sulphuric acid plant
Correct Answer: Automobile exhaust
. Operating principle of cyclone separator is based on the action of _______________ dust particles?
A Diffusion of
B Centrifugal force on
C Gravitational force on
D Electrostatic force on
Correct Answer: Centrifugal force on
Green house effect is accentuated by________________?
A Deforestation
B Rapid industrialisation
C Increased transportation activity
D All A., B. and C.
Correct Answer: All A., B. and C.
Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause___________________?
A Explosion
B Non biodegradable foam
C Undesirable plant growth
D Corrosion
Correct Answer: Explosion
The widest explosive limit is of _____________, thereby making it the most explosive gas?
A Acetylene
B Petrol vapor
C Hydrogen
D Carbon monoxide
Correct Answer: Acetylene
Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for___________________?
A Conversion of CO into CO2 in the second compartment
B Conversion of NOx into N2 and NH3 in the first compartment
C Oxidation of unburnt hydrocarbon fuel in the second compartment
D All A., B. and C.
Correct Answer: All A., B. and C.
Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about ______________ decibels?
A 20
B 60
C 90
D 120
Correct Answer: 90
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