A. Acetic acid
B. Hydrochloric acid
C. Nitric acid
D. Sulphuric acid
✅ 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.
912. Heat required to raise the temperature of a body by 1 °C is called its
A. Heat capacity
B. Specific heat capacity
C. Thermal conductivity
D. Water equivalent
✅ The correct answer is option A.
913. Silicon crystal can be converted to p-type semi-conductor by doping with
A. Phosphorous
B. Nitrogen
C. Carbon
D. Boron
✅ The correct answer is option D.
914. Which of the following is not a charge material for cupola ?
A. Limestone
B. Iron scrap
C. Iron ore
D. Pig iron
✅ The correct answer is option C.
915. Which one is neutral in character ?
A. N₂O₄
B. N₂O
C. N₂O₅
D. N₂O₃
✅ The correct answer is option B.
916. Increasing the temperature of a material makes it
A. Harder
B. Softer
C. Tougher
D. Stronger
✅ The correct answer is option B.
917. Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.
A. 300
B. 800
C. 1400
D. 2000
✅ The correct answer is option C.
918. Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.
A. Forging
B. Cold rolling
C. Hot rolling
D. Casting
✅ The correct answer is option B.
919. __________ joint is mostly used for joining pipes carrying water at low pressure.
A. Nipple
B. Socket
C. Union
D. Bell and spigot
✅ The correct answer is option B.
920. To improve the machinability of steel by its softening, it is subjected to
A. Cold working
B. Annealing
C. Shot blasting
D. Heating
✅ The correct answer is option C.