NPTEL Introduction to Industry 4.0 and Industrial Internet of Things Week 6 Assignment Answers 2024
1. 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
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2. 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
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3. 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
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4. 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
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5. 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
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6. 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
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7. 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
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8. What is the range of data transmission rate for EtherCat?
a. 10 Mbps
b. 100 Mbps
c. 1 Gbps
d. 200 Mbps
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9. 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
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10. Which Profibus variant handles communication between PCs and Programmable Logic Controllers?
a. Profibus DP
b. Profibus PA
c. Profibus FMS
d. Profibus MBP
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11. Which Profibus variant is suitable for hazardous environments?
a. Profibus DP
b. Profibus PA
c. Profibus FMS
d. Profibus MBP
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12. Which network topology does the Interbus use?
a. Active Ring Topology
b. Bus Topology
c. Mesh Topology
d. Star Topology
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13. What is the latency supported by Tactile Internet?
a. < 1 ms round trip latency
b. 10-20 ms round trip latency
c. 50-100 ms round trip latency
d. 200-500 ms round trip latency
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14. Which frequency band does the 5G NR use for high-band communication?
a. <1 GHz
b. 1-6 GHz
c. >24 GHz
d. 10-20 GHz
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15. 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
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