Chemical Engineering

Prepare with the best Chemical Engineering MCQs with answers and detailed explanations for exams and job tests. Our collection covers key topics such as chemical process calculations, thermodynamics, fluid mechanics, heat transfer, mass transfer, reaction engineering, instrumentation, and plant design. These Chemical Engineering multiple-choice questions are ideal for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and job interviews. Practice online with updated Chemical Engineering MCQs to strengthen your concepts and improve technical problem-solving skills.

5082. Solvent extracted oil

Has low free fatty acid content
Is odourless
Has more of unsaturates
None of these
✅ The correct answer is option D.

5085. Fluorescent dyes are added in detergents to

Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics
Attain distinctiveness from other brands
Act as tarnish inhibitor for metals like German silver
None of these
✅ The correct answer is option A.

5087. Enzymes are

Proteins with high molecular weight (around 10, 000)
Derived from living organisms
Catalyst for temperature sensitive reactions
All of the above
✅ The correct answer is option D.