91. How can sustainable engineering principles be integrated into the design of transportation infrastructure for reducing greenhouse gas emissions? Ans: Sustainable engineering principles such as multimodal transportation, electrification, and smart mobility solutions can be integrated into the design of transportation infrastructure to promote carbon-neutral mobility and mitigate climate change impacts.
92. What are the key factors to consider in the design of sustainable packaging for food products? Ans: Key factors in the design of sustainable packaging for food products include food safety, shelf life extension, materials recyclability, and minimizing environmental footprint throughout the packaging lifecycle, from production to disposal.
93. Explain how material testing lab experiments support the development of lightweight materials for automotive applications. Ans: Material testing lab experiments provide data on mechanical properties such as strength-to-weight ratio, fatigue resistance, and crashworthiness of lightweight materials such as aluminum alloys and carbon fiber composites, enabling optimization for automotive applications to improve fuel efficiency and performance.
94. Discuss the advantages of using computer-aided machine drawing for simulating and optimizing additive manufacturing processes. Ans: Computer-aided machine drawing enables the simulation and optimization of additive manufacturing processes such as selective laser melting and fused deposition modeling, optimizing build orientation, support structures, and material usage for quality improvement and cost reduction.
95. How does knowledge of fluid mechanics influence the design of marine propulsion systems for ships and submarines? Ans: Knowledge of fluid mechanics principles such as resistance, propulsion efficiency, and cavitation is essential for designing marine propulsion systems that maximize thrust, minimize fuel consumption, and ensure maneuverability and stability in varying sea conditions.
96. Give examples of how mechanics of solids principles are applied in the design of biomedical implants for tissue engineering. Ans: Mechanics of solids principles are applied in the design of biomedical implants such as bone scaffolds and cartilage constructs to mimic mechanical properties of native tissues, promoting tissue regeneration and functional restoration in patients.
97. Discuss the role of metallurgy and material science in the development of corrosion-resistant coatings for offshore oil and gas platforms. Ans: Metallurgy and material science contribute to the development of corrosion-resistant coatings such as metallic alloys, polymer composites, and ceramic coatings for protecting offshore oil and gas platforms from corrosion, extending service life and ensuring operational integrity in harsh marine environments.
98. What ethical considerations should engineers take into account when designing smart grid technologies for energy distribution systems? Ans: Ethical considerations when designing smart grid technologies include data privacy, cybersecurity, energy equity, and the socio-economic impact on communities, ensuring equitable access, reliability, and sustainability in energy distribution systems.
99. How can sustainable engineering principles be applied in the design of urban infrastructure for climate resilience and adaptation? Ans: Sustainable engineering principles such as green infrastructure, stormwater management, and resilient design can be applied in the design of urban infrastructure to mitigate climate change impacts such as flooding, heat islands, and sea-level rise, ensuring resilience and adaptability to future environmental challenges.
100. What are the advantages of conducting material testing lab experiments for evaluating the mechanical properties of ceramics in aerospace engineering? Ans: Material testing lab experiments provide data on mechanical properties such as hardness, fracture toughness, and thermal shock resistance of ceramics, aiding in the selection and optimization of materials for aerospace applications such as engine components, thermal protection systems, and structural components
