Sensor Instrumentation (BOE405) - AKTU Question Paper 2024-25
B.Tech · Semester 4 · Free PDF Download
This is the official AKTU Sensor Instrumentation Previous Year Question Paper for B.Tech Semester 4, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
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Questions Asked in 2024-25
Sensor Instrumentation (BOE405) — complete question paper · 70 marks · 3 Hours
- aDefine a sensor and classify it based on its energy source
- bExplain the role of an RTD in temperature measurement
- cDifferentiate between Weighted Resistor and R-2R Ladder DAC
- dExplain the principle of an LVDT with respect to the displacem ent measurement
- eWhat is the role of Timers in data acquisition systems?
- fWhat do you understand by the self-testing in smart sensors?
- gDifferentiate the sensors with transducers in brief
- aExplain the measurement of pressure using a piezoelectric se nsor with a diagram
- bDiscuss the working of Laser f low sensors and their industrial applications
- cA virtual instrumentation syst em samples a signal at 1 kHz u sing a 12-bit ADC with a reference voltage of 10 V. Calculate the quantization step size And the maximum signal frequency that can be accurately measure d without aliasing
- dDescribe the operation of a successive approximation ADC wit h a block diagram
- eA smart sensor with a built- in ADC has a sensitivity of 0.5 V/°C and an offset voltage of 1 V. If the sensor measures a temperature of 50°C, c alculate the output voltage. Discuss the role of self-calibration in ensuring accuracy for this sensor
- aDescribe the measurement of pressure using an LVDT-based diaphr agm with a circuit diagram
- bExplain the working of a Pote ntiometer for displacement meas urement and discuss its limitations
- aDiscuss the operating principles of Ultrasonic flo w sensors and the industrial applications
- bDiscuss the use of Capacitive level sensors with their advan tages and limitations
- aExplain the concept o f WHILE and FO R loops in graphical programming with examples
- bDiscuss the advantages of graphical programming techniques i n industrial automation
- aExplain the working of an R-2R L adder DAC with a numerical exam ple for a 3-bit input
- bDiscuss the role of Data Sockets in networked communication with a block diagram
- aExplain the components and characteristics of smart sensors wit h a neat diagram
- bDiscuss the role of self-communicating smart sensors in indu strial automation with examples
Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.
Repeated Questions — BOE405
Questions that appeared in more than one session, found by comparing 3 years of Sensor Instrumentation papers (2023-24, 2024-25, 2025-26)
What is the role of Timers in data acquisition systems?
Appeared in: 2023-24 · 2024-25
Discuss the operating principles of Ultrasonic flo w sensors and the industrial applications
Appeared in: 2023-24 · 2024-25
Explain the concept o f WHILE and FO R loops in graphical programming with examples
Appeared in: 2023-24 · 2024-25
Explain the components and characteristics of smart sensors wit h a neat diagram
Appeared in: 2023-24 · 2024-25
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