A. Cementite
B. Austenite
C. Martensite
D. Pearlite
✅ The correct answer is option B.
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.
712. Percentage of differential pressure lost in a venturimeter with a tapering of 15° may be about
A. 1
B. 10
C. 25
D. 50
✅ The correct answer is option B.
713. Slight displacement of a floating body in liquid makes it to oscillate about its
A. Centre of pressure
B. Centre of gravity
C. Metacentre
D. Centre of pressure
✅ The correct answer is option C.
714. Specific heat of an ideal gas depends upon its
A. Molecular weight
B. Pressure
C. Temperature
D. Volume
✅ The correct answer is option C.
715. __________ flux is used for the extraction of metal from its self fluxing ores.
A. No
B. Acid
C. Basic
D. Neutral
✅ The correct answer is option A.
716. Thermoplastics are never moulded using
A. Injection moulding
B. Blow moulding
C. Extrusion
D. Compression moulding
✅ The correct answer is option D.
717. While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ x Tm (where, Tm Melting temperature).
A. 0.25
B. 0.45
C. 0.70
D. 0.95
✅ The correct answer is option C.
718. Silicon percentage in silicon steel used for electrical equipments is about
A. 1
B. 4.0
C. 8
D. 14
✅ The correct answer is option B.
719. Reynolds number of a fluid flowing in a circular pipe is 10000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30% ?
A. 9100
B. 13000
C. 7000
D. 2550
✅ The correct answer is option A.
720. Lime contains about 90% CaO. Percentage CaO present in limestone is about
A. 25
B. 50
C. 70
D. 80
✅ The correct answer is option B.