A. Electrical energy directly
B. Mechanical energy
C. Electrical energy and stored therein
D. None of these
✅ The correct answer is option A.
Basic Chemical Engineering MCQs
Practice Basic Chemical Engineering MCQs with answers and explanations to prepare for exams, interviews, and job tests. Our question bank covers fundamental topics such as units and dimensions, material and energy balances, fluid mechanics, thermodynamics, heat transfer, mass transfer, and chemical process basics. These multiple-choice questions are designed for students, fresh graduates, and competitive exam aspirants preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and recruitment assessments. Strengthen your core concepts and problem-solving skills with our updated Basic Chemical Engineering MCQs.
212. Which of the following metals can not be hot worked at room temperature?
A. Zinc
B. Nickel
C. Lead
D. Tin
✅ The correct answer is option B.
213. Unbreakable crockeries are made from __________ polymers.
A. Polystyrene
B. Melamine
C. Polystyrene
D. Polyurathane
✅ The correct answer is option D.
214. Reduction in the grain size reduces the __________ of the material.
A. Fatigue resistance
B. Tensile strength
C. Creep resistance
D. All of the above
✅ The correct answer is option D.
215. Internal cracks in drawn bars are due to
A. Secondary tensile stresses
B. Temperature gradient in the work piece
C. Heated dies and grips
D. Internal compressive residual stress
✅ The correct answer is option A.
216. Old cycle handles are coated with nickel using
A. Cementation
B. Spray coating
C. Galvanising process
D. Tinning process
✅ The correct answer is option B.
217. Cupola produces __________ iron.
A. Pig
B. Cast
C. Wrought
D. Carbon free
✅ The correct answer is option B.
218. In sheet metal forming, stretcher strains occur in
A. Duralumin sheets
B. Low carbon steel sheets
C. Austenitic stainless steel sheets
D. Ni-base alloy sheets
✅ The correct answer is option A.
219. The standard instrument used for calibrating the load applied by universal testing machine is called
A. Extensometer
B. Spring balace
C. Dynamometer
D. None of these
✅ The correct answer is option D.
220. Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding
A. Glycerol
B. Nitro cellulose
C. Camphor
D. None of these
✅ The correct answer is option D.