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Industry 4.0 & IIoT Assignment 1 Quiz
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Industry 4.0 & IIoT Assignment 1 Quiz

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Questions and Answers

What is the primary function of a transducer?

  • Detecting only energy
  • Digital communication
  • Computer processor part
  • Converting energy from one form to another (correct)
  • In sensor technology, what does 'sensor accuracy' specifically indicate?

  • The smallest detectable input change
  • Sensor's response time
  • The sensor's range
  • Correctness of output compared to a standard value (correct)
  • What defines an 'active sensor' in the context of sensing technology?

  • Operates without any energy consumption
  • Can only sense physical changes
  • Independently senses the input (correct)
  • Operates without an external power source
  • In IIoT systems, what is the main role of an 'Actuator'?

    <p>Converts signals into physical action</p> Signup and view all the answers

    Zigbee technology is popular for which of the following?

    <p>Low power, short-range wireless communication</p> Signup and view all the answers

    When compared to passive sensors, what capability distinguishes active sensors?

    <p>Independently sensing input</p> Signup and view all the answers

    What is the primary function of IEEE 802.15.4 in IoT?

    <p>To specify the protocols for low-rate wireless personal area networks</p> Signup and view all the answers

    Which of the following is a characteristic of 6LoWPAN?

    <p>Enabling IPv6 packets over low-power wireless networks</p> Signup and view all the answers

    What is the primary application of Near Field Communication (NFC)?

    <p>Short-range wireless interaction between electronic devices</p> Signup and view all the answers

    Which type of actuator works on the principle of compression and decompression?

    <p>Hydraulic Actuators</p> Signup and view all the answers

    What is the significance of ISA 100.11a in IIoT?

    <p>Focuses on wireless network technology for industrial automation</p> Signup and view all the answers

    Which of the following is NOT a characteristic of 6LoWPAN?

    <p>High-power industrial networks</p> Signup and view all the answers

    Which technology is best suited for industrial communication?

    <p>Wireless HART</p> Signup and view all the answers

    What is the maximum data rate possible in Wireless HART?

    <p>250 kb/s</p> Signup and view all the answers

    Which Quality of Service (QoS) level in MQTT is also known as 'Exactly once'?

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

    Which architecture does the CoAP work on?

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

    Which type of sensor is an infra-red sensor?

    <p>Optical Sensor</p> Signup and view all the answers

    Which technology is best suited for establishing low-rate wireless personal area networks?

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

    Study Notes

    Transducers and Sensors

    • Primary function of a transducer is to convert one form of energy into another, facilitating measurement and control in systems.
    • 'Sensor accuracy' indicates the degree to which a sensor's output matches the actual value of the measured parameter, reflecting precision in measurements.

    Active and Passive Sensors

    • An 'active sensor' generates its own energy for operation, differentiating it from passive sensors which rely on external energy sources.
    • Compared to passive sensors, active sensors have the capability to actively emit signals and detect responses, allowing for greater sensitivity in measurements.

    IIoT Systems Components

    • In IIoT systems, an 'Actuator' converts control signals into physical actions, enabling automation and control of processes.
    • ISA 100.11a provides a wireless communication standard for industrial automation, enhancing reliability and interoperability in IIoT environments.

    Communication Technologies

    • Zigbee technology is popular for low-power, low-data-rate applications in home automation and industrial monitoring, emphasizing energy efficiency.
    • IEEE 802.15.4 is crucial in IoT, serving as the underlying MAC and PHY layer for low-rate wireless personal area networks (LR-WPANs).
    • 6LoWPAN is characterized by enabling IPv6 packets to be sent over low-power wireless networks, facilitating Internet connectivity for devices with limited resources.

    Wireless Technologies and Protocols

    • The primary application of Near Field Communication (NFC) includes secure contactless transactions and data exchange over short distances.
    • The actuator that operates on the principle of compression and decompression is a pneumatic actuator, commonly used in industrial applications.
    • Wireless HART allows for a maximum data rate of 250 kbps, designed for process automation with reliable wireless communication.
    • In MQTT, the Quality of Service (QoS) level known as 'Exactly once' ensures that messages are delivered exactly one time, minimizing duplicate messages.

    CoAP and Sensor Types

    • CoAP (Constrained Application Protocol) operates on a client-server architecture tailored for resource-constrained devices in IoT.
    • Infra-red sensors are categorized as active sensors, utilizing emitted infrared radiation to detect objects and measure temperature.
    • The best technology for establishing low-rate wireless personal area networks (LR-WPANs) is Zigbee, known for its energy efficiency and reliable communication in limited range settings.

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    Description

    Test your knowledge on Industry 4.0 and the Industrial Internet of Things with this assignment-1 quiz consisting of 15 questions. Each question is worth 10 marks, testing concepts such as transducers and sensor accuracy. Refer to specific lecture slides for justifications.

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