891. Lead is poured into the joint between two- __________ pipes.
A. Mild steel
B. Concrete
C. Cast iron
D. Asbestos cement
✅ The correct answer is option C.
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.
892. Cast iron has the unique property of high
A. Ductility
B. Damping characteristics
C. Hardness
D. Malleability
✅ The correct answer is option B.
893. Alloys having more than 80% copper are generally more
A. Abrasion resistant
B. Corrosion resistant
C. Prone to season cracking
D. Machinable
✅ The correct answer is option B.
894. ‘Flare tower’ used in industry is meant for
A. Venting off (after burning) the excess inflammable/toxic gases at high pressure
B. Absorbing the pollutant gases from the furnace exhaust
C. Cooling of furnace exhaust gases
D. None of these
✅ The correct answer is option A.
895. Nickel is a __________ material.
A. Ferromagnetic
B. Semi-conductor
C. Paramagnetic
D. Ferroelectric
✅ The correct answer is option A.
896. Nitrogen is not an essential component of
A. Protein
B. Urea
C. Oils & fats
D. Any of these
✅ The correct answer is option C.
897. Quartz is a __________ material.
A. Diamagnetic
B. Ferromagnetic
C. Ferroelectric
D. Piezoelectric
✅ The correct answer is option D.
898. Scab is a defect developed during __________ of metals.
A. Forging
B. Sand casting
C. Machining
D. Welding
✅ The correct answer is option B.
899. Which of the following low melting alloy containing bismuth and lead is used for electric fuse ?
A. Wood’s metal
B. Babbit metal
C. Monel metal
D. Duralumin
✅ The correct answer is option A.
900. Free oxygen is removed from boiler feed water, because it
A. Reduces heat transfer co-efficient
B. Is corrosive
C. Causes explosion
D. None of these
✅ The correct answer is option B.