Nptel Introduction to Industry 4 and Industrial IoT Week 6 Assignment Answers
Are you looking for the NPTEL Introduction to Industry 4 and Industrial IoT Week 6 Assignment Answers 2024 (July-Dec)? You’ve come to the right place! Our comprehensive solutions will help you grasp the key concepts of Industry 4.0, including smart manufacturing, cyber-physical systems, and the role of IoT in industrial automation.
Nptel Introduction to Industry 4 and Industrial IoT Week 6 Assignment Answers
Introduction to Industry 4 and Industrial IoT Week 6 Assignment Answers (July-Dec 2024)
Q1.Which of the following is one of the benefits of sensor usage in industry? a. Increasing downtime due to routine maintenance b. Reduced manual intervention for sensing in hazardous areas c. Manual data entry d. Limited operational efficiency
Answer: d. Limited operational efficiency
Q2. Ultrasonic sensors can be used for – Fill in the blank. a. Object detection b. Distance measurement c. Dynamic body detection d. All of the above
Q3.Which sensor can be used for distance measurement, pattern matching, color checking, structured lighting, and motion capture?
a. Acceleration sensor
b. PIR Sensor
c. Ultrasonic sensor
d. Image sensor
Answer: d. Image sensor
Q4‘What is another name for MOS gas sensors? a. Electro-Resistive Gas sensors b. Chemi-Resistive Gas sensors c. Photo-Resistive Gas sensors d. Thermo-Resistive Gas sensors
Q5.What is the ‘Optimum Temperature’ in the context of MOS gas sensors? a. The temperature at which the sensor does not respond b. The temperature at which the sensor gives the best response c. The lowest temperature at which the sensor operates d. The highest temperature the sensor can withstand
Answer.b. The temperature at which the sensor gives the best response
Q6.What happens to the resistance of a gas sensor when it detects Volatile Organic Compounds (VOCs)?
a. The resistance remains constant
b. The resistance changes from its baseline resistance
c. The resistance increases only
d. The resistance decreases only
Answer: b. The resistance changes from its baseline resistance
Q7.‘What are the typical requirements for industrial communication? a. High duty-cycle, high latency, high jitter b. Real-time, very low duty-cycle, very low latency, very low jitter c. Manual data processing, high latency, low duty-cycle d. High duty-cycle, low latency, high jitter
Answer: b. Real-time, very low duty-cycle, very low latency, very low jitter
Q8.What is the range of data transmission rate for EtherCat? a. 10 Mbps b. 100 Mbps c. 1Gbps d. 200 Mbps
Q9.Which topology is the EtherNet/IP standard based on? a. Universal Serial Bus topology b. Active star topology c. Passive bus topology d. Hybrid ring topology
Answer: b. Active star topology
Q10.‘‘Which Profibus variant handles communication between PCs and Programmable Logic Controllers?
Q15.What are the three components of the Modbus architecture? a. Modbus Node, Modbus Junction, Modbus Branch b. Modbus Client, Modbus Router, Modbus Server c. Modbus Publisher, Modbus Broker, Modbus Subscribers. d. Modbus Master, Modbus Gateway, Modbus Slaves
Answer: d. Modbus Master, Modbus Gateway, Modbus Slaves
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These are NPTEL Introduction to Industry Industrial IoT Week 6 Answers
Q1. Which of the following temperature sensors generates an analog voltage proportional to the temperature? a. DS1621 b. DHT11 c. DS18B20 d. LM 35
Answer: d. LM 35
Q2. What are the key components of an IoT Sensing Device? a. Sensor, Processor, Wireless Communication Module, Power Management Unit b. Battery, Processor, Universal Serial Bus, Visual Display Unit c. Sensor, Compiler, Interpreter, Energy Harvester d. None of the above
Answer: a. Sensor, Processor, Wireless Communication Module, Power Management Unit
Q3. What kind of sensor is ADXL335? a. Accelerometer b. Gyroscope c. Magnetometer d. Proximity sensor
Answer: a. Accelerometer
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These are NPTEL Introduction to Industry Industrial IoT Week 6 Answers
Q4. “MOS gas sensor depend on the thermal energy for its operation which is supplied with a heater.” State True or False. a. True b. False
Answer: a. True
Q5. Which of the following is not a probable application of Gas Sensors? a. Air quality monitoring b. Leakage Detection of Toxic gases c. Alcohol Breath Test d. Motion Tracking
Answer: d. Motion Tracking
Q6. What is meant by the Sensitivity of a Gas Sensor? a. Change in the output signal for a unit change in gas concentration b. Ability to detect a particular gas in a mixture of different gases c. Ability to provide consistent output over a long period of time d. The time taken by the sensor to stabilize its response
Answer: a. Change in the output signal for a unit change in gas concentration
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These are NPTEL Introduction to Industry Industrial IoT Week 6 Answers
Q7. The ModBus-TCP protocol defines two units in the data frame. One of them is Protocol Data Unit. What is the other one? a. Analogous Data Unit b. Advanced Data Unit c. Application Data Unit d. Architectural Data Unit
Answer: c. Application Data Unit
Q8. With respect to sensors, a camera which can simultaneously sense the ambient temperature as well as capture live video recordings is a type of ________ sensor. a. Scalar b. Multimedia c. Hybrid d. All of the above
Answer: c. Hybrid
Q9. EtherNet/IP defines two primary types of communications. What are those? a. Explicit and Implicit b. Internal and External c. Inbound and Outbound d. Telemetric and Geometric
Answer: a. Explicit and Implicit
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These are NPTEL Introduction to Industry Industrial IoT Week 6 Answers
Q10. Which of the following statements is incorrect about Profinet? a. Profinet is the standard for industrial Ethernet b. Profinet is based upon Ethernet/IP c. Profinet can not be used for process control or process measurement d. Profinet uses NRT, RT and IRT communication channels
Answer: c. Profinet can not be used for process control or process measurement
Q11. Modbus-RTU is a serial protocol that follows the ________ architecture. a. Producer/Consumer b. Master/Slave c. Scalar/Vector d. None of the above
Answer: b. Master/Slave
Q12. Which of the following network topologies is used by Profibus? a. Ring Topology b. Bus Topology c. Mesh Topology d. Star Topology
Answer: b. Bus Topology
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These are NPTEL Introduction to Industry Industrial IoT Week 6 Answers
Q13. In the context of DeviceNet, CAN is the acronym for ___________. a. Cognitive Adaptable Network b. Campus Area Network c. Controller Area Network d. Captive Area Network
Answer: c. Controller Area Network
Q14. How shorter TTL is achieved in uRLLC? a. By using smaller slot length b. By reducing Orthogonal Frequency Division Multiplexing symbols in TTL c. Reducing symbol duration d. All of the above
Answer: d. All of the above
Q15. What is the frequency spectrum of mmWave Communication? a. 30-300 MHz b. 550-1720 KHz с. 88-108 MHz d. 30-300 GHz
Answer: d. 30-300 GHz
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These are NPTEL Introduction to Industry Industrial IoT Week 6 Answers
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These are NPTEL Introduction to Industry Industrial IoT Week 6 Answers
Q1. What are the befits of using sensor in industrial applications? (a) Real-time monitoring (b) Improving visibility (c) Remote diagnosis (d) All of the above
Answer: (d) All of the above
Q2. What is the function of LM 35 sensor? (a) Analog temperature monitoring (b) Digital temperature monitoring (c) Analog humidity monitoring (d) Digital humidity monitoring
Answer: (a) Analog temperature monitoring
Q3. ADXL335 sensor can generate the magnitude and direction of the acceleration. True or false? (a) True (b) False
Answer: (a) True
Q4. MQ-2 sensor is used for measuring the concentration of which of the following gases? (a) Helium, Argon, Neon (b) Nitrogen, Hydrogen, Oxygen (c) LPG, Propane Hydrogen (d) All of the above
Answer: (c) LPG, Propane Hydrogen
These are NPTEL Introduction to Industry Industrial IoT Week 6 Answers
Q5. __ sensor is used to measure time-varying stresses and strains in ferromagnetic materials? (a) Torque (b) Acceleration (c) Magnetostrictive (d) None of the above
Answer: (c) Magnetostrictive
Q6. MOS is one of the electrical variations of gas sensing methods. What is the full form of MOS? (a) Metal Oxide Semiconductors (b) Metal Oxide Sensing (c) Monitoring Olfactory Sensor (d) Moisture Onsite Sensing
Answer: (a) Metal Oxide Semiconductors
These are NPTEL Introduction to Industry Industrial IoT Week 6 Answers
Q7. What is/are the requirements of industrial communication? (a) Real-time communication (b) Low latency (c) Low jitter (d) All of the above
Answer: (d) All of the above
Q8. Industrial Ethernet is used in scenarios that require _. (a) Clock synchronization (b) Periodic I/O data transfer (c) Local Area Network of field devices (d) All of the above
Answer: (a) Clock synchronization
These are NPTEL Introduction to Industry Industrial IoT Week 6 Answers
Q9. Profinet in industrial communication is based on which of the following technologies? (a) Fieldbus (b) Industrial Ethernet (c) Profibus (d) DeviceNet
Answer: (b) Industrial Ethernet
Q10. How many active connections or sockets are supported by ModBus-TCP, simultaneously? (a) 10 (b) 8 (c) 5 (d) 254
Answer: (a) 10
These are NPTEL Introduction to Industry Industrial IoT Week 6 Answers
Q11. Which of the following methods is used by EtherCat for bit error recognition? (a) Hamming code (b) CRC checksum (c) Parity check (d) Binary check
Answer: (b) CRC checksum
Q12. What is the full form of Profinet? (a) Process Field Network (b) Public Field Network (c) Process Full Network (d) Private Field Networking
Answer: (a) Process Field Network
These are NPTEL Introduction to Industry Industrial IoT Week 6 Answers
Q13. What is the maximum number of subscribers supported by the Interbus? (a) 512 (b) 215 (c) 125 (d) 251
Answer: (a) 512
Q14. Select the statement that best describes Tactile Internet. (a) It enables haptic communication (b) It enables real-time transmission of touch, sense and actuation (c) Both a and b (d) None of the above
Answer: (c) Both a and b
These are NPTEL Introduction to Industry Industrial IoT Week 6 Answers
Q15. What is the frequency spectrum for mmWave communication? (a) 30-300 GHz (b) 30-300 KHz (c) 30-300 MHz (d) 30-300 Hz
