Introduction To Industry 4.0 And Industrial Internet Of Things Week 2 NPTEL Assignment Answers 2025

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✅ Subject: Introduction To Industry 4.0 And Industrial Internet Of Things (iot 4.0)
📅 Week: 2
🎯 Session: NPTEL 2025 July-October
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NPTEL Introduction To Industry 4.0 And Industrial Internet Of Things Week 2 Assignment Answers 2025

1. Which technological innovation drove the First Industrial Revolution?

a. Electricity and the assembly line
b. Invention of steam engine and construction of railways
c. Semiconductor fabrication techniques
d. Artificial Intelligence and Cyber-Physical Systems

Answer : See Answers

2. Which of the following sectors is considered as the conventional application area for robots?

a. Automotive industry
b. Precision agriculture
c. Nursing
d. Space exploration

Answer :

3. Fill in the blanks. A depression, compared to a recession, is characterized by ____________.

a. Increased investment in manufacturing
b. Shorter duration of economic hardship
c. Lower unemployment rates
d. Higher levels of economic damage and longer duration

Answer :

4. In a manufacturing industry, which system is described as the “main nervous system”?

a. Supply-Chain Management (SCM)
b. Information and Communication Technology (ICT)
c. Energy-price monitoring
d. Human-resources planning

Answer :

5. Fill in the blanks. Emerging markets are expected to be found primarily in .

a. Developed countries
b. Developing countries
c. Polar regions
d. Nations with zero population growth

Answer :

6. Which of the following is a key feature of Lean production approach?

a. It emphasizes automation over manual labor
b. It focuses solely on financial outcomes
c. It considers the customer’s perspective
d. It aims to increase inventory levels

Answer : See Answers

7. Alongside Jidoka, Lean production is founded on which second pillar?

a. Kaizen
b. Just-in-Time
c. Kanban
d. Total Productive Maintenance

Answer :

8. What is the first step in the “5 steps of walking a value stream”?

a. Build a leadership team
b. Walk it – discuss value and list ideas
c. Focus on a single value stream
d. Schedule follow-up

Answer :

9. What is included among the fundamental building blocks of a smart business model?

a. Marketing campaigns
b. Customer values and key processes
c. Warehouse locations
d. Stock exchange metrics

Answer :

10. Which of the following represents the key attributes of a smart business model?

a. Value proposition
b. Revenue streams
c. Technologies
d. All of these

Answer :

11. Fill in the blanks. Big Data analytics in smart factories can help with_________________.

a. Generating knowledge
b. Reducing data storage
c. Eliminating sensors
d. Increasing manual paperwork

Answer :

12. Why are smart factories increasingly necessary in today’s industry?

a. They reduce the number of products needed
b. They support rigid, static manufacturing systems
c. They help achieve high production in less time with reduced risks of failure
d. They operate only in low-demand markets

Answer :

13. State True or False. Smart Grid is considered as a supporting technology for Smart Factories.

a. True
b. False

Answer :

14. Timely delivery and reliability are highlighted within sustainability under which supply-related concept?

a. Supply-Chain Management loop
b. Single-sourcing
c. Random demand generation
d. Personal mail delivery

Answer :

15. State True or False. Industry 4.0 is commonly referred to as the fourth industrial revolution pertaining to digitization in the manufacturing industry.

a. True
b. False

Answer : See Answers

NPTEL Introduction To Industry 4.0 And Industrial Internet Of Things Week 2 Assignment Answers 2024

Q1. Which of the following is a key characteristic of the Fourth Industrial Revolution?
a. Extensive use of steam engines
b. Evasion of corporate taxes
c. Widespread use of artificial intelligence
d. Introduction of assembly lines
Answer: c
Explanation: The Fourth Industrial Revolution is defined by the fusion of technologies and widespread use of AI, blurring lines between physical, digital, and biological systems.

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Q2. Which of the following is not a physical megatrend?
a. Cloud Computing
b. 3D Printer
c. Autonomous Vehicle
d. Advanced Robotics
Answer: a
Explanation: Cloud computing is a digital trend, not a physical one. Physical megatrends involve tangible advancements like 3D printing and robotics.

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Q3. How does Industry 4.0 enhance sustainability in manufacturing industries?
a. By increasing manual labor
b. Through globalization and emerging technologies
c. By reducing the use of digital technologies
d. Focusing on traditional manufacturing methods
Answer: b
Explanation: Industry 4.0 leverages global connectivity and emerging tech like IoT and AI to optimize processes, reduce waste, and improve sustainability.

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Q4. What is a crucial aspect of Supply Chain Management (SCM) in sustainable manufacturing?
a. Prioritizing high-cost production
b. Ignoring environmental concerns
c. Outsourcing without strategic planning
d. Considering environmental concerns such as climate change, contamination, and resource consumption
Answer: d
Explanation: Sustainable SCM must address environmental impacts to ensure long-term viability and regulatory compliance.

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Q5. What role does ICT play in the manufacturing industry?
a. Reducing communication within the enterprise
b. Serving as the main nervous system of any manufacturing industry
c. Discouraging the sharing of information between customer, producer, and supplier
d. Eliminating the need for enterprise resource planning
Answer: b
Explanation: ICT connects systems and enables real-time decision-making, making it essential to modern manufacturing operations.

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Q6. What characterizes an emerging market in the context of Industry 4.0?
a. Markets that are fully developed and static
b. Markets that meet the standards of newly developed innovative products
c. Markets that exclusively focus on traditional products
d. Markets that resist globalization
Answer: b
Explanation: Emerging markets adopt innovations quickly and adapt to new products and technologies, aligning with Industry 4.0 goals.

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Q7. What is the primary focus of the Lean Production System?
a. Overworking the employees to boost production
b. Prioritizing customer needs
c. Increasing the price of products
d. Reducing technology use
Answer: b
Explanation: Lean Production aims to create value for customers by reducing waste and focusing on what truly matters to them.

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Q8. Which among the following are aspects of socio-economic issues of sustainability in Industry 4.0?
a. Social
b. Economic
c. Environmental
d. All of the above
Answer: d
Explanation: Sustainability in Industry 4.0 covers environmental, economic, and social factors, ensuring balanced growth and well-being.

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Q9. The Lean Production System mainly focuses on the customer’s need. Which company is credited for the development of Lean Production System?
a. Siemens
b. Toyota Motors
c. Hitachi
d. Microsoft
Answer: b
Explanation: Toyota developed the Lean Production System (TPS), focusing on efficiency, waste reduction, and customer value.

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Q10. What is a major concern in implementing Lean Production in the context of Industry 4.0?
a. Reducing digital technology use
b. Integrating humans in plants
c. Ignoring customer feedback
d. Avoiding environmental considerations
Answer: b
Explanation: Integrating human roles with automated systems is a key challenge, ensuring humans are effectively part of the smart plant ecosystem.

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Q11. Which of the following is not a benefit of smart and connected products?
a. Decreased environmental impact
b. Better usage of product
c. Rapid increment in the sale price of a product
d. Smart Supply Chain
Answer: c
Explanation: Smart products may enhance functionality and sustainability but do not inherently increase prices.

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Q12. Which of the following is not a fundamental building block of a smart and connected business in the context of Industry 4.0?
a. Blueprint of profits
b. Customer values
c. Key resources and processes
d. None of the above
Answer: d
Explanation: All the options are part of the foundational elements of a smart, connected business.

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Q13. What is a major advantage of smart factories?
a. Increased production costs
b. Reduced efficiency
c. Improvement in quality and safety
d. Limited product variety
Answer: c
Explanation: Smart factories enhance automation and monitoring, leading to better quality control and safer environments.

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Q14. How is information technology utilized in smart factories?
a. For manual data processing
b. To avoid data analysis
c. For smart software applications and to control processes
d. To limit connectivity and communication
Answer: c
Explanation: IT supports automation, predictive maintenance, real-time monitoring, and decision-making in smart factories.

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Q15. Communication, trust and capital with respect to the created values play an important role in IIoT business model.
a. False
b. True
Answer: b
Explanation: These elements are fundamental for a successful IIoT (Industrial Internet of Things) ecosystem and value-driven collaboration.