A. 1:1
B. 1:2
C. 2:1
D. 1:4
✅ 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.
1122. A jet engine turbine blade is normally manufactured by
A. Forging
B. Shell moulding
C. Investment casting
D. Pressure die casting
✅ The correct answer is option C.
1123. With increase in pressure, the saturation temperature of steam
A. Increases rapidly first and then slowly
B. Increases slowly first and then rapidly
C. First increases and then decreases
D. None of these
✅ The correct answer is option A.
1124. Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about
A. 9:1
B. 17 : 1
C. 23 : 1
D. 29 : 1
✅ The correct answer is option B.
1125. Which of the following has the highest density and the lowest melting point ?
A. Stainless steel
B. Titanium
C. Lead
D. Aluminium
✅ The correct answer is option C.
1126. The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is
A. Conduction
B. Convection
C. Both A & B
D. Radiation
✅ The correct answer is option D.
1127. The rolling process can not be used to produce
A. Plates
B. Rods
C. Tubes
D. Wires
✅ The correct answer is option C.
1128. Powder metallurgy processing can be used for making
A. Dispersion strengthened copper rod
B. Self lubricating bearing and cemented carbide
C. Connecting rod
D. Piston
✅ The correct answer is option B.
1129. Cold chiesel & hammers are made of
A. High speed steel
B. High carbon steel
C. Forged steel
D. Mild steel
✅ The correct answer is option B.
1130. Limestone addition in the blast furnace is done to flux __________ present in the raw materials.
A. SiO₂
B. Al2O₃
C. MnO₂
D. P
✅ The correct answer is option A.