IoT Communications and Sensors Quiz
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IoT Communications and Sensors Quiz

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Questions and Answers

What is the primary function of a transducer?

  • To convert signal from one physical form to another physical form (correct)
  • To store energy
  • To generate eddy current
  • To generate heat
  • Which device converts sound to an electrical signal?

  • Antenna
  • Microphone (correct)
  • Strain gauge
  • Speaker
  • Which sensor can detect gases like LPG, CH4, and CO?

  • DHT22
  • MQ-5 (correct)
  • HC-SR04
  • PIR
  • What does 'Resolution' indicate in a sensor?

    <p>The smallest change in input that can be detected</p> Signup and view all the answers

    Which modulation technique is used by Zigbee for the 2.4 GHz band?

    <p>OQPSK</p> Signup and view all the answers

    What does 6LoWPAN optimize?

    <p>Packet transmission in Low-power and lossy networks (LLN)</p> Signup and view all the answers

    How long is the Network ID in a Z-Wave network?

    <p>2 Bytes</p> Signup and view all the answers

    What does the Constrained RESTful Environments (CoRE) framework include for service discovery?

    <p>All of the above</p> Signup and view all the answers

    Which policy controls the duration for which transmitted data is considered to be valid in an IoT network?

    <p>Lifespan policy</p> Signup and view all the answers

    Which protocol is CoAP based on?

    <p>UDP</p> Signup and view all the answers

    What is considered the main nervous system of any manufacturing industry?

    <p>Information and Communication Technology (ICT)</p> Signup and view all the answers

    What is the impact of increasing renewable energy consumption on sustainability?

    <p>Increases sustainability</p> Signup and view all the answers

    What is the concept of JIDOKA in Lean Production System?

    <p>Stopping production when there is a problem</p> Signup and view all the answers

    What is a 'value stream' in Lean Production System?

    <p>All the actions required for a product from order to delivery</p> Signup and view all the answers

    What do L, D and T stand for under 'People Engagement' in the Lean production System?

    <p>Learn, Do, Teach</p> Signup and view all the answers

    Which of the following is a benefit of smart and connected products?

    <p>Improved recall process of product</p> Signup and view all the answers

    Which resource is associated with the 'Optimization' categorization of Smart and connected products?

    <p>Optimization algorithms</p> Signup and view all the answers

    Which of the following technologies can provide safety in radioactive zones within a smart factory?

    <p>Augmented Reality</p> Signup and view all the answers

    What are the characteristics of smart factories?

    <p>Connection, Optimization, Transparent, Proactivity, Agility</p> Signup and view all the answers

    The amalgamation of CPS and the evolution of Internet-based technologies led to the development of the Industrial Internet.

    <p>True</p> Signup and view all the answers

    The real-time monitoring of the supply chain reduces inventory and capital requirements.

    <p>True</p> Signup and view all the answers

    What are Cyber-Physical Systems (CPS)?

    <p>Interacting networks of physical and computational components</p> Signup and view all the answers

    What is one of the key features of CPS in terms of computation?

    <p>Reactive computation</p> Signup and view all the answers

    What architecture is used for designing CPS-based manufacturing systems for Industry 4.0?

    <p>5C architecture</p> Signup and view all the answers

    Study Notes

    Transducers

    • Primary function: Convert signals from one physical form to another.
    • Example: A microphone converts sound waves into an electrical signal.

    Sensors

    • MQ-5: Detects gases like LPG, CH4, and CO.
    • Resolution: Indicates the smallest change in input that a sensor can detect.

    Communication Technologies

    • Zigbee: Uses OQPSK modulation technique for the 2.4 GHz band.
    • 6LoWPAN: Optimizes packet transmission in Low-power and lossy networks (LLN).
    • Z-Wave Network ID: 4 Bytes long.
    • Class 1 Bluetooth radios: Typically have a range of 100 meters.
    • CoRE Framework: Includes Registration Interface (RI), Resource Directory (RD), and REST based protocols like HTTP and CoAP for service discovery.
    • Lifespan policy: Controls the duration for which transmitted data is considered valid in an IoT network.
    • MQTT: Supports 3 levels of QoS.
    • CoAP: Based on UDP (User Datagram Protocol).

    Manufacturing and Industry

    • Information and Communication Technology (ICT): Considered the main nervous system of any manufacturing industry.
    • Renewable energy consumption: Increases sustainability.
    • JIDOKA: Stopping production when there is a problem in Lean Production System.
    • Value stream: All actions required for a product from order to delivery.
    • 'People Engagement' in Lean production System (L, D, T): Learn, Do, Teach.
    • Smart and connected products: Improve the recall process of products.
    • Optimization in Smart and Connected Products: Associated with Optimization algorithms.
    • Safety in Radioactive Zones (Smart Factory): Augmented Reality can provide safety in radioactive zones.
    • Smart Factory Characteristics: Connection, Optimization, Transparent, Proactivity, Agility.
    • Industrial Internet: Amalgamation of CPS and the evolution of Internet-based technologies.
    • Supply Chain Monitoring: Real-time monitoring reduces inventory and capital requirements.
    • Cyber-Physical Systems (CPS): Interacting networks of physical and computational components.
    • CPS Computation: Reactive computation.
    • CPS-based Manufacturing Systems: Utilize a 5C architecture for design.
    • Collaboration Platform (Industry 4.0): A platform used for connecting and sharing information between different systems in a factory.

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    Description

    Test your knowledge on the functionalities of transducers, sensors, and various communication technologies used in IoT applications. Learn about devices like the MQ-5 gas sensor and explore protocols such as MQTT and CoAP. This quiz is ideal for students and professionals seeking to deepen their understanding of IoT systems.

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