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?

The smallest change in input that can be detected Signup and view all the answers

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

OQPSK Signup and view all the answers

What does 6LoWPAN optimize?

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

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

2 Bytes Signup and view all the answers

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

All of the above Signup and view all the answers

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

Lifespan policy Signup and view all the answers

Which protocol is CoAP based on?

UDP Signup and view all the answers

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

Information and Communication Technology (ICT) Signup and view all the answers

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

Increases sustainability Signup and view all the answers

What is the concept of JIDOKA in Lean Production System?

Stopping production when there is a problem Signup and view all the answers

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

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

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

Learn, Do, Teach Signup and view all the answers

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

Improved recall process of product Signup and view all the answers

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

Optimization algorithms Signup and view all the answers

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

Augmented Reality Signup and view all the answers

What are the characteristics of smart factories?

Connection, Optimization, Transparent, Proactivity, Agility 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.

True Signup and view all the answers

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

True Signup and view all the answers

What are Cyber-Physical Systems (CPS)?

Interacting networks of physical and computational components Signup and view all the answers

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

Reactive computation Signup and view all the answers

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

5C architecture 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.