M C Q s D r i v e
03079682698
mcqsdrive@gmail.com
About
Contact

Contact Info

03079682698

mcqsdrive@gmail.com

Ad Banner

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

thumb

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

Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to_________________?
A Reynold stresses
B Shear forces
C Both A. & B.
D Neither A. nor B.
Correct Answer: Both A. & B.
Which of the following is a green house gas other than CO2 ?
A Methane
B Nitrous oxide
C Chlorofluoro carbons (CFC)
D All A., B. and C.
Correct Answer: All A., B. and C.
Foaming and priming in boiler operation can be reduced by reduction in ______________ in feed water?
A Turbidity
B Color (Hazen)
C Total solids
D All A., B. & C.
Correct Answer: All A., B. & C.
The amount of chemical coagulant added for treatment of polluted water ______________ with increase in temperature of the polluted water to be treated?
A Decreases
B Increases
C Remain constant
D May increase or decrease; depends on the chemical characteristics of polluted water
Correct Answer: Decreases
A ‘body’ which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the________________?
A Global warming
B Green house
C Atmospheric effect
D Ionosphere
Correct Answer: Green house
High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes____________________?
A Cancer
B Silicosis
C Respiratory disease (e.g., asthma)
D Reduced crop yield
Correct Answer: Cancer
Exposure to chemicals having carcinogenic properties cause___________________?
A Dermatitis (skin disorder)
B Cancer
C Asphyxiation
D Asthma
Correct Answer: Cancer
Which of the following air pollutants is not toxic to vegetation i.e., doesn’t cause vegetation damage ?
A Smog & ozone
B Hydrogen fluoride & nitrogen oxides
C Sulphur dioxide & spray of weed killers
D Carbon monoxide
Correct Answer: Carbon monoxide
Presence of high concentration of ozone and smog in atmospheric air causes the __________________?
A Embrittlement & decrease of folding resistance of paper
B Cracking of rubber products
C Fading of dye on textiles
D Damage of electrical insulator on high tension power line
Correct Answer: Cracking of rubber products
Main pollutants released from petroleum refineries is__________________?
A CO, SO2 & H2S
B CO2, NO & SO3
C CO2, H2S & NO2
D SO3, NO2 & CO2
Correct Answer: CO, SO2 & H2S
03079682698
mcqsdrive@gmail.com

Copyright @ 2026 MCQsDrive . All Rights Reserved.