NPTEL Introduction to Industry 4 Assignment 1 Week 1(Jan-Apr 2025)
Que. 1) Fill in the blank space designated by the question mark:
a) Snubber b) Repeater c) Processor d) Amplifier
Answer: Updating soon (in progress)
Que. 2) What is the maximum data rate of Z-Wave communication technology? a) 100 kbps b) 250 kbps c) 500 kbps d) 1 Mbps
Answer: Updating soon (in progress)
Que. 3) Which device converts electromagnetic energy into electricity and vice versa? a) Speaker b) Antenna c) Microphone d) Strain gauge
Answer: Updating soon (in progress)
Que. 4) What does ‘Range’ indicate in a sensor? a) The correctness of the output b) The smallest change in input that can be detected c) The difference between the standard value and the value produced by the sensor d) The highest and the lowest value of the physical quantity within which the sensor can actually sense
Answer: Updating soon (in progress)
Que. 5) Which coding scheme is used by the IEEE 802.15.4 standard for transmitting information? a) CSS b) THSS c) OFDM d) PSSS
Answer: Updating soon (in progress)
Que. 6) What is the standard transmission range of IEEE 802.15.4? a) 10 m to 75 m b) 1 m to 5 m c) 15 cm to 60 cm d) 1 cm to 10 km
Answer: Updating soon (in progress)
Que. 7) Which low-power radio communication technology was designed as a simpler and cheaper alternative to Zigbee for small to medium-range connectivity? a) Bluetooth b) Z-Wave c) RFID d) NFC
Que. 8) Which organization has developed the ISA 100.11a standard? a) Instrument Society of America b) International Society of Automation c) International Studies Association d) International Solar Alliance
Answer: Updating soon (in progress)
Que. 9) What communication modes are supported between two NFC devices? a) Broadcast-Multicast b) Master-Slave c) Active-Active or Active-Passive d) All of these
Answer: Updating soon (in progress)
Que. 10) Which of the following is/are the drawbacks of proprietary non-IP-based solutions? a) Limited flexibility to end users b) Interoperability c) Limited last-mile connectivity d) All of these
Answer: Updating soon (in progress)
Course Name: Introduction To Industry 4.0 And Industrial Internet Of Things
NPTEL Introduction to Industry 4 Assignment 1 Week 1 (JUL – DEC 2024)
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
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
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)
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
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
