Chemical Engineering MCQs
Chemical Engineering MCQs provide a strong foundation for those preparing for competitive exams and interviews in the chemical industry. The questions cover core topics including process calculations, heat transfer, mass transfer, chemical reaction engineering, plant design, safety, and environmental concerns. Whether you are a fresh graduate or preparing for job assessments through FPSC, PPSC, or NTS, this section helps reinforce key concepts and identify knowledge gaps. The MCQs reflect actual exam trends and are especially useful for test-based recruitment and academic success in the chemical engineering field.
Q: Boiling point elevation is used in
A) Crystallization
B) Evaporation
C) Filtration
D) Reverse osmosis
Q: Slurry transport in pipelines requires
A) Peristaltic pumps
B) Gear pumps
C) Positive displacement pumps
D) Centrifugal pumps
Q: The main reason for catalyst deactivation
A) Acid-base reaction
B) Coking
C) Oxidation
D) Overheating
Q: Degree of freedom in a two-component system with one phase
A) 1
B) 0
C) 2
D) 3
Q: Reynolds number is the ratio of
A) Inertial to viscous forces
B) Heat to mass transfer
C) Work to energy
D) Pressure to velocity
Q: Laminar flow is usually assumed when Reynolds number is below
A) 1000
B) 3000
C) 2300
D) 2000
Q: The catalyst used in the Haber process
A) Vanadium pentoxide
B) Platinum
C) Iron
D) Nickel
Q: The separation technique used for azeotropic mixtures
A) Flash distillation
B) Batch distillation
C) Extractive distillation
D) Simple distillation
Q: Chlor-alkali process primarily yields
A) NaCl and H₂O
B) NaOH and Cl₂
C) HCl and NaCl
D) H₂SO₄ and H₂