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

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

Preheating of ______________ the flame temperature?
A The gaseous fuel before combustion decreases
B Combustion air decreases
C Either the fuel or the air or both, increases
D Either the fuel or the air does not affect
Correct Answer: Either the fuel or the air or both, increases
With increase in the time of carbonisation at a particular temperature (say 1000°C), the ______________ percentage in coke oven gas increases?
A Hydrogen
B Methane
C Unsaturated hydrocarbons
D All A., B. and C.
Correct Answer: Hydrogen
If CO2 is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as___________________?
A O2
B CO
C N2
D SO2
Correct Answer: O2
Presence of force moisture in coal is most disadvantageous during its __________________?
A Transportation and handling
B Washing
C Pulverisation
D Storage
Correct Answer: Pulverisation
High ash coals ____________________?
A Are soft & friable (poor strength and size stability)
B Require longer time of carbonisation as ash offers resistance to heat transfer
C Produce larger quantity of coke oven gas
D None of these
Correct Answer: Require longer time of carbonisation as ash offers resistance to heat transfer
Moisture loss is determined by the _______________________?
A Humidity of combustion air
B Moisture content of fuel
C Both A. and B.
D The water formed by combustion reaction
Correct Answer: Both A. and B.
Coal is heated in absence of air for 7 minutes at a temperature of about ______________ °C, during its volatile matter determination for proximate analysis?
A 550
B 750
C 950
D 1150
Correct Answer: 950
Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces __________________?
A Higher amount of methane
B Lower amount of hydrogen
C Both A. and B.
D Higher amount of both methane and hydrogen
Correct Answer: Both A. and B.
Yield of blast furnace gas is about _______________ Nm3 /ton of pig iron?
A 300
B 2000
C 5000
D 10000
Correct Answer: 2000
Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of__________________?
A Less air for combustion
B Correct amount of air for combustion
C Too much air for combustion
D Pulverised coal in boilers
Correct Answer: Too much air for combustion
03079682698
mcqsdrive@gmail.com

Copyright @ 2026 MCQsDrive . All Rights Reserved.