A. Solid solution strengthening
B. Precipitation hardening
C. Dispersion strengthening
D. Order hardening
✅ 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.
872. Which is the most lethal weapon ?
A. Atom (fusion) bomb
B. Hydrogen bomb
C. Cobalt bomb
D. Neutron bomb
✅ The correct answer is option C.
873. Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.
A. Preloaded spring
B. Piezoelectric
C. Bonded strain gauge
D. None of these
✅ The correct answer is option B.
874. Lead percentage in pure galena is about
A. 8.6
B. 86.6
C. 35.8
D. 61.4
✅ The correct answer is option A.
875. In the acid Bessemer process, the hot metal should have the following com-positon.
A. S < 0.05% and P < 0.05%
B. S < 0.05% and P < 1.5%
C. S < 0.05% and P > 1.5%
D. S > 1.5% and P < 0.05%
✅ The correct answer is option A.
876. First empirical temperature scale conceived is the __________ temperature scale.
A. Absolute
B. Reaumer
C. Farenhite
D. Celcius
✅ The correct answer is option C.
877. Carburettor in a spark ignition engine is used to
A. Mix air-fuel in the desired ratio
B. Maintain a constant speed at varying loads
C. Adjust the stroke length
D. Increase the compression ratio
✅ The correct answer is option A.
878. Which of the following phenomenon/ phenomena is/are diffusion controlled ?
A. Dislocation climb
B. Cross-slip
C. Twinning
D. Recrystallisation
✅ The correct answer is option D.
879. Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)
A. 1/k
B. k
C. k²
D. 1/k²
✅ The correct answer is option B.
880. In case of simple harmonic motion, displacement is proportional to the
A. Velocity
B. Acceleration
C. Both A & B
D. Neither A nor B
✅ The correct answer is option B.