A. Chromel – alumel
B. Iron – constantan
C. Platinum – platinum + rhodium
D. Copper-constantan
✅ 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.
1212. Dryness fraction of dry steam is
A. 0
B. ?
C. 1
D. 0.5
✅ The correct answer is option C.
1213. Pick out the wrong statement:
A. Soft water is more corrosive than that carrying calcium salts
B. The corrosion of brass condenser tubes handling brine solution is also termed as ‘dezincification’
C. Non-annealed brass is highly susceptible to season cracking (i.e., inter-crystal corrosion due to internal stresses)
D. Pure copper is highly susceptible to stress corrosion
✅ The correct answer is option D.
1214. At room temperature, F.C.C. crystal structure is observed in
A. Lead
B. Cupro-nickel
C. Titanium
D. Tungsten
✅ The correct answer is option A.
1215. Photographic plates are coated with
A. Silver nitrate
B. Silver halide
C. Calcium silicate
D. Metallic silver
✅ The correct answer is option B.
1216. __________ property of a material is determined by the Herbert Pendulum device.
A. Hardness
B. Tensile
C. Toughness
D. Compressive
✅ The correct answer is option A.
1217. Galvanic corrosion
A. Occurs in a bimetal couple
B. Occurs in highly stressed metallic parts only
C. Is exemplified by caustic embrittlement of boiler tubes
D. Is also called dezincification
✅ The correct answer is option A.
1218. Enzymes belong to the category of
A. Proteins
B. Carbohydrates
C. Vitamins
D. Fats
✅ The correct answer is option A.
1219. The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the
A. Work hardening
B. Bauschinger effect
C. Creeping effect
D. Stress recovery effect
✅ The correct answer is option B.
1220. While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the
A. Low impact strength
B. High flexibility
C. Better finish and surface appearance
D. High plastic deformation
✅ The correct answer is option A.