M C Q s D r i v e

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.

______________ is an ore of lead?
A Quartz
B Galena
C Siderite
D Chalcopyrite
Correct Answer: Galena
Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by _____________________?
A Iron-steam reaction
B Electrolysis of water
C Steam reforming of naphtha
D Its cryogenic separation from coke oven gas
Correct Answer: Iron-steam reaction
The most commonly used substance to speed up the sedimentation of sewage is___________________?
A Lime
B Sulphuric acid
C Chlorine
D Sodium bisulphite
Correct Answer: Lime
Which of the following is not produced commercially from sea water ?
A Magnesium & potassium compounds
B Common salt
C Bromine
D Iodine
Correct Answer: Iodine
Oleum produces fumes of_____________________?
A SO2
B H2SO4
C SO3
D SO2 + H2SO4
Correct Answer: SO3
Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in______________________?
A Pyrolysis of oil
B Sintering of porous catalyst
C Hydrogen embrittlement
D All A, B. and C.
Correct Answer: All A, B. and C.
Rancidity of the fatty oil can be reduced by its__________________?
A Decoloration
B Hydrogenation
C Oxidation
D Purification
Correct Answer: Hydrogenation
Thermosetting plastic materials____________________?
A Can be repeatedly melted
B Is useful for melt casting
C Cannot be melted after forming
D Is useful for spinning
Correct Answer: Cannot be melted after forming
Digestion of wood-base materials (for manufacture of pulp) is done to __________________?
A Remove lignin
B Produce long fibres
C Prevent deterioration on storage
D None of these
Correct Answer: Remove lignin
Antibiotic____________________?
A Inhibits/destroys the growth of microorganisms
B Is used as a pain reliever
C Is an antimalarial
D Is an anaesthetic
Correct Answer: Inhibits/destroys the growth of microorganisms