Introduction to Industry 4.0 and Industrial Internet of Things | Week 1

Session: JUL – DEC 2024

Course Name: Introduction To Industry 4.0 And Industrial Internet Of Things

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These are NPTEL Introduction to Industry 4 Assignment 1 Week 1 and Industrial Internet of Things Answers


Q1.What is the primary function of a transducer?
a. To store energy
b. To convert signal from one physical form to another physical form
c. To generate eddy current
d. To generate heat

Answer: b. To convert signal from one physical form to another physical form


Q2. Which device converts sound to an electrical signal?
a. Speaker
b. Antenna
c. Microphone
d. Strain gauge

Answer: c. Microphone


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These are NPTEL Introduction to Industry 4 Assignment 1 Week 1 And Industrial Internet Of Things Answers


Q3.Which sensor can detect gases like LPG, CH4, and CO?
a. DHT22
b. MQ-5
c. HC-SR04
d. PIR

Answer: b. MQ-5


Q4.What does ‘Resolution’ indicate in a sensor?
a. The correctness of the output
b. The smallest change in input that can be detected
c. The range of sensing
d. The difference between standard and measured values

Answer: b. The smallest change in input that can be detected


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These are NPTEL Introduction to Industry 4 Assignment 1 Week 1 And Industrial Internet Of Things Answers


Q5 .Which modulation technique is used by Zigbee for the 2.4 GHz band?
a. BPSK
b. QPSK
c. OQPSK
d. FSK

Answer:c. OQPSK


Q6.What does 6LoWPAN optimize?
a. Load balancing in Legacy High-power networks
b. Packet transmission in Low-power and lossy networks (LLN)
c. Cryptography in Medium-power networks
d. Error detection in Long-range networks

Answer: b. Packet transmission in Low-power and lossy networks (LLN)


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These are NPTEL Introduction to Industry 4 Assignment 1 Week 1 And Industrial Internet Of Things Answers


Q7 .How long is the Network ID in a Z-Wave network?
a. 1 Byte
b. 2 Bytes
c. 4 Bytes
d. 8 Bytes

Answer: c. 4 Bytes


Q8.Which range is typical for Class 1 Bluetooth radios?
a. 1 meter
b. 10 meters
c. 30 meters
d. 100 meters

Answer: d. 100 meters


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These are NPTEL Introduction to Industry 4 Assignment 1 Week 1 And Industrial Internet Of Things Answers


Q9.What does the Constrained RESTful Environments (CORE) framework include for service discovery?
a. Registration Interface (RI)
b. Resource Directory (RD)
c. REST based protocols such as HTTP and CoAP
d. All of the above

Answer: d. All of the above


Q10.Which policy controls the duration for which transmitted data is considered to be valid in an IoT network?
a. History policy
b. Latency budget policy
c. Lifespan policy
d. Deadline policy

Answer: c. Lifespan policy


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These are NPTEL Introduction to Industry 4 Assignment 1 Week 1 And Industrial Internet Of Things Answers


Q11.How many levels of QoS does MQTT support?
a. 2
b. 3
C. 4
d. 5

Answer: b. 3


Q12.Which protocol is CoAP based on?
a. TCP
b. FTP
c. UDP
d. HTTP

Answer: c. UDP


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These are NPTEL Introduction to Industry 4 Assignment 1 Week 1 And Industrial Internet Of Things Answers


Q13.For what kind of applications is AMQP optimized for?
a. Entertainment
b. Financial
c. Vehicular
d. Educational

Answer: b. Financial


Q14 .Which layer in IoT architecture is responsible for predictive analytics and data management?
a. Sensing layer
b. Networking layer
c. Service layer
d. Interface layer

Answer: c. Service layer


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These are NPTEL Introduction to Industry 4 Assignment 1 Week 1 And Industrial Internet Of Things Answers


Q15.State True or False. A sensor’s accuracy does not depend upon it’s resolution.
a. True
b. False

Answer: a. True


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These are NPTEL Introduction to Industry 4 Assignment 1 Week 1 And Industrial Internet Of Things Answers

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These are NPTEL Introduction to Industry 4 Assignment 1 Week 1 And Industrial Internet Of Things Answers