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.
Course:B.Tech
Semester:Semester 4
Session:2024-25
University:AKTU / UPTU
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Questions Asked in 2024-25
Sensor Instrumentation (BOE405) — extracted question text · 70 marks · 3 Hours
Section AAttempt all questions in brief. 02 x 7 = 14
- 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
Section BAttempt any three of the following: 07 x 3 = 21
- 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
Section CAttempt any one part of the following: 07 x 1 = 07
- 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. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.
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