A. Corrosion resistance
B. Machinability
C. Castability
D. None of these
✅ 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.
342. Fatigue strength of a metal is improved by
A. Overstressing
B. Scratching the surface
C. Raising the temperature
D. Understressing
✅ The correct answer is option D.
343. Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank)
A. H
B. H/2
C. H/4
D. H/6
✅ The correct answer is option D.
344. Cast iron contains __________ percent carbon.
A. 2.5
B. 3.75
C. 4.75
D. 5.25
✅ The correct answer is option A.
345. Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
A. Joule
B. Carnot
C. Rankine
D. Brayton
✅ The correct answer is option C.
346. Eutectoid composition of carbon steel at room temperature is
A. Cementite
B. Pearlite
C. Martensite
D. Ferrite
✅ The correct answer is option B.
347. The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.
A. Tension
B. Shear
C. Compression
D. Bending & tension
✅ The correct answer is option A.
348. Normalising of a casting does not
A. Induce stresses in it
B. Refine its grain structure
C. Reduce seggregation
D. Improve its mechanical properties
✅ The correct answer is option A.
349. All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.
A. Deuterium
B. Hydrogen
C. Neon
D. Helium
✅ The correct answer is option B.
350. For separating small pieces of metal from engine oil of a car, the best separating technique is the
A. Chromatography
B. Evaporation
C. Filtration
D. Fractional distillation
✅ The correct answer is option C.