MCQs are considered among the most effective methods for assessing a student’s understanding of a concept. The www.gurumcqs.com team of subject experts has meticulously crafted these Chemical Engineering Questions and Answers MCQs, aligning them with current trends and industry practices. These MCQs in Chemical Engineering, along with detailed answers, comprehensively cover all facets of the discipline. Moreover, it will be beneficial for competitive examinations and tests (PPSC Test, FPSC Test, SPSC Test, KPPSC Test, BPSC Test) as well. The Chemical Engineering Questions and Answers encompass a wide range of topics, including Chemical Engineering Basics, Heat Transfer, Mass Transfer, Fertiliser Technology, Stoichiometry, Chemical Engineering Thermodynamics, Fuels and Combustion, Process Equipment and Plant Design, Nuclear Power Engineering, Refractory Technology, Polymer Technology, Fluid Mechanics, Mechanical Operations, Petroleum Refinery Engineering, Chemical Process, Process Control and Instrumentation, Chemical Reaction Engineering, Materials and Construction, Chemical Engineering Plant Economics, Furnace Technology, and Environmental Engineering. Additionally, explore Electrical Engineering Questions and Answers on the platform.
**91. Which of the following is an example of a chemical reaction that releases energy?**
A. Photosynthesis
**B. Respiration**
C. Combustion
D. Fermentation
**Answer: B. Respiration**
**92. What type of energy is stored in the chemical bonds of glucose?**
**A. Potential energy**
B. Kinetic energy
C. Radiant energy
D. Mechanical energy
**Answer: A. Potential energy**
**93. When wood burns in a fireplace, which form of energy is released?**
A. Electrical energy
B. Chemical energy
**C. Thermal energy**
D. Nuclear energy
**Answer: C. Thermal energy**
**94. Which of the following is NOT a fossil fuel?**
A. Coal
B. Natural gas
**C. Hydrogen**
D. Petroleum
**Answer: C. Hydrogen**
**95. During cellular respiration, what molecule is broken down to release chemical energy?**
**A. Glucose**
B. Oxygen
C. Carbon dioxide
D. Water
**Answer: A. Glucose**
**96. Which of the following is an example of a chemical reaction that absorbs energy?**
**A. Rusting of iron**
B. Freezing of water
C. Burning of gasoline
D. Digestion of food
**Answer: A. Rusting of iron**
**97. Which of the following statements about chemical energy is correct?**
A. It is a form of renewable energy
B. It is only found in fossil fuels
**C. It is converted into light energy during photosynthesis**
D. It can be converted into mechanical energy
**Answer: C. It is converted into light energy during photosynthesis**
**98. What is the primary source of chemical energy for most living organisms?**
A. Sunlight
B. Fossil fuels
**C. Food molecules**
D. Electricity
**Answer: C. Food molecules**
**99. Which of the following is an example of a chemical reaction used to store energy?**
**A. Photosynthesis**
B. Respiration
C. Combustion
D. Fermentation
**Answer: A. Photosynthesis**
**100. What happens to the chemical energy stored in food when it is eaten by an organism?**
**A. It is stored in the organism’s cells and used for various metabolic processes**
B. It is completely converted into heat energy
C. It is partially converted into mechanical energy
D. It is released as light energy
**Answer: A. It is stored in the organism’s cells and used for various metabolic processes**