Introduction To Industry 4.0 And Industrial Internet Of Things Week 5 NPTEL Assignment Answers 2025

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✅ Subject: Introduction To Industry 4.0 And Industrial Internet Of Things (iot 4.0)
📅 Week: 5
🎯 Session: NPTEL 2025 July-October
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NPTEL Introduction To Industry 4.0 And Industrial Internet Of Things Week 5 Assignment Answers 2025

1. According to the ICP DAS framework for Industry 4.0, under which category does “System health diagnosis” fall?

a. Energy
b. Safety
c. M2M
d. Manufacturing

Answer : See Answers

2. Kaeser Kompressoren coined a new term for their service-based business model, in which users pay per cubic meter of compressed air used. What is this model called?

a. Renting Model
b. Selling Model
c. Subscription Model
d. Air-as-a-Service

Answer :

3. Which company is highlighted for its use of smart glasses for fault detection in its manufacturing process?

a. KUKA
b. Maersk
c. Boeing
d. Cisco

Answer :

4. What is a business model as defined by the “Business Model Generation” book?

a. The organizational and financial architecture of a business
b. The rationale of how an organization creates, delivers, and captures value
c. A description of how a business intends to earn profits
d. The network of suppliers and partners that optimize a business

Answer :

5. Which IoT business model relieves the customer from the responsibilities of ownership and maintenance, focusing on a “Pay-per-outcome” approach?

a. Subscription Model
b. Asset-Sharing Model
c. Outcome-Based Model
d. IoT-as-a-Service

Answer :

6. In a Cloud-Based Business Model, how do customers typically access services?

a. By outright purchase
b. By manual installation
c. Via government funding
d. Through temporary leasing of resources

Answer : See Answers

7. What is the primary purpose of the revenue model in Service-Oriented Business Models in IIoT?

a. Only subscription fees
b. Physical sales
c. Monetization of collected data
d. Rental income

Answer :

8. Which type of Cloud-Based Business Model aims at providing the required hardware and software online in the cloud?

a. Software-as-a-Service (SaaS)
b. Platform-as-a-Service (PaaS)
c. Infrastructure-as-a-Service (IaaS)
d. Business-as-a-Service (BaaS)

Answer :

9. What is the purpose of the Industrial Internet Reference Architecture (IIRA)?

a. Allowing interoperability and guiding IIoT technologies
b. Reducing network speed
c. Designing personal computer systems
d. Building only mobile applications

Answer :

10. An IIoT product is being tested in different continents for performance, standardization, and interoperability before its release. Which organization is most likely facilitating this?

a. IEEE
b. Industrial Internet Consortium (IIC)
c. ISO
d. NIST

Answer : See Answers

11. Which of the following is an example of a Lagging KPI for OSH?

a. Frequency of observed unsafe behaviour
b. Number of OSH audits
c. Number of lost-time incident frequency rate
d. Percentage of managers with adequate OSH training

Answer :

12. In the usage Viewpoint, which element of an Activity defines the conditions under which the activity is initiated?

a. Workflow
b. Effects
c. Constraints
d. Trigger

Answer :

13. In the context of the Usage Viewpoint of the Industrial Internet Reference Architecture (IIRA), what is considered the basic unit of work?

a. System
b. Network
c. Component
d. Task

Answer :

14. Which of the following represents key feature(s) of the process-oriented business model?

a. Execution of various business processes within the organization
b. Presence of process owners to supervise the processes
c. Evaluation of process performance
d. All of these

Answer :

15. Fill in the blanks.______ is an electrical framework that provides two-way communication between the consumers and suppliers. With the help of smart meters, smart appliances, and energy-efficient resources, it efficiently delivers electricity to the consumers.

a. Smart grid
b. Load Balancer
c. Railway Signaling System
d. None of these

Answer : See Answers

NPTEL Introduction To Industry 4.0 And Industrial Internet Of Things Week 5 Assignment Answers 2024

1. What is a key technology driver in Amazon’s Smart Warehousing?

a. Warehouse Automation
b. Drone Delivery
c. Cryptocurrency Payments
d. 3D Printing

✅ Answer :- a
Explanation: Amazon uses warehouse automation (robots, AI, and conveyors) to improve speed and efficiency.

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2. Which of the following is not covered under the domain of Industry 4.0?

a. Intelligent manufacturing
b. Smart warehousing
c. Smart logistics
d. Rapid deforestation

✅ Answer :- d
Explanation: Deforestation is an environmental concern, not part of Industry 4.0 technologies.

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3. Which of the following IIoT platforms is used by Hitachi?

a. UnifyTwin
b. Lumada
c. Insights Hub
d. RootCloud

✅ Answer :- b
Explanation: Lumada is Hitachi’s IIoT platform for smart manufacturing and data analytics.

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4. Which of the following is not a type of business model for IoT?

a. Subscription Model
b. Outcome-Based Model
c. Asset-Sharing Model
d. Loss-Sharing Model

✅ Answer :- d
Explanation: Loss-sharing is not a recognized IoT business model; others are standard.

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5. Which is an advantage of the Subscription Model in IoT?

a. Predictable recurring revenue
b. High initial costs
c. Limited customer interaction
d. Single revenue stream

✅ Answer :- a
Explanation: The subscription model provides stable monthly or yearly income streams.

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6. Which is a critical challenge of the IoT-as-a-Service model?

a. Limited product applicability
b. Over-dependence on manual processes
c. Security of data
d. Reduced licensing costs

✅ Answer :- c
Explanation: Data security is a major concern in cloud-based IoT services.

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7. Which of the following is NOT offered by a Service-Oriented IIoT Business Model?

a. CapEx-focused investment strategies
b. Aggregation and analysis of data
c. On-demand services backed by cloud-based Business Models
d. Self-service interface

✅ Answer :- a
Explanation: This model focuses on OpEx (operating expenses), not CapEx (capital expenses).

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8. Process Oriented Business Model is a ____________ business model?

a. Static
b. Actuating
c. Hybrid
d. Defunct

✅ Answer :- c
Explanation: It combines multiple business strategies, so it’s called hybrid.

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9. What is IIRA?

a. A standard architecture for IIoT Systems
b. A scheme for corporate tax rebate
c. A package for installing IIoT Software
d. An internship program for IoT enthusiasts

✅ Answer :- a
Explanation: IIRA stands for Industrial Internet Reference Architecture, standardizing IIoT systems.

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10. Which of the following statements is incorrect about IIRA?

a. Safety is not a concern in the IIRA infrastructure
b. The IIRA infrastructure allows interoperability
c. The IIRA infrastructure is proposed by the IIC Technology Working Group
d. The IIRA infrastructure maps application technologies

✅ Answer :- a
Explanation: Safety is a major concern and focus in the IIRA framework.

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11. Which of the following is not a component of the three-tier architecture pattern of IIRA?

a. Edge layer
b. Fog layer
c. Platform layer
d. Enterprise layer

✅ Answer :- b
Explanation: IIRA defines Edge, Platform, and Enterprise, but not Fog layer as a primary tier.

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12. What are the IIRA Viewpoints?

a. Mining, Smelting, Forging and Casting
b. User, Demand, Production and Supply
c. Analysis, Management, Manipulation and Modification
d. Business, Usage, Functional and Implementation

✅ Answer :- d
Explanation: These four viewpoints define key perspectives for building IIoT systems.

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13. The elements of an activity in IIRA are ___________.

a. Controls, Events, Feedback, and Termination
b. Cause and Effect
c. Trigger, Workflow, Effect, and Constraints
d. Planning, Projection, Execution, and Feedback

✅ Answer :- c
Explanation: Activities in IIRA are structured around Trigger, Workflow, Effect, and Constraints.

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14. In the Business Viewpoint of IIRA, what are fundamental capabilities?

a. High-level specifications essential for business tasks
b. Detailed technical standards
c. Financial goals
d. Marketing strategies

✅ Answer :- a
Explanation: They describe core business functions that IIoT solutions must support.

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15. With respect to the IIRA functional domain, industrial actuation falls under which of the following domains?

a. Operations Domain
b. Business Domain
c. Control Domain
d. Application Domain

✅ Answer :- c
Explanation: Industrial actuation is about controlling machinery and processes — a part of the Control Domain.