A. 768
B. 908
C. 1400
D. 1539
✅ The correct answer is option A.
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.
172. Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines?
A. Air filter
B. Fuel injector
C. Exhaust silencer
D. Battery
✅ The correct answer is option B.
173. Which of the following mainly decides the current to be employed is arc welding?
A. Electrode size
B. Plate thickness
C. Voltage across the arc
D. Welded portion length
✅ The correct answer is option A.
174. Which of the following is not a natural abrasive?
A. Silicon carbide
B. Quartz
C. Corundum
D. Emery
✅ The correct answer is option A.
175. Expansion device used in a window air-conditioner is a/an
A. Automatic expansion valve
B. Thermostatic expansion valve
C. Float valve
D. Capillary tube
✅ The correct answer is option D.
176. Freezing of 35% oleum during its shipment in winter is avoided by the addition of small amount of
A. Hydrochloric acid
B. Methyl alcohol
C. Formic acid
D. Nitric acid
✅ The correct answer is option D.
177. The normal stress is the same in all directions at a point in a fluid, only when the fluid
A. Is at rest & has zero viscosity
B. Is frictionless
C. Fluid layer has no motion relative to an adjacent layer of fluid
D. Is incompressible & frictionless
✅ The correct answer is option D.
178. The function of a nozzle provided in steam turbine is to
A. Throttle down (i.e., reduce) the pressure of steam
B. Convert internal energy into kinetic energy
C. Increase the velocity of steam
D. All of the above
✅ The correct answer is option D.
179. The swift cup test evaluates the following property of a sheet metal.
A. Stretchability
B. Drawability
C. Bendability
D. None of these
✅ The correct answer is option B.
180. Usual value of the resistance suitable for a wire resistance strain gauge is __________ ohms.
A. 20
B. 80
C. 120
D. 500
✅ The correct answer is option C.