B.TechSemester 32025-26Sensor InstrumentationBOE305

Sensor Instrumentation (BOE305) - AKTU Question Paper 2025-26

B.Tech · Semester 3 · Free PDF Download

This is the official AKTU Sensor Instrumentation Previous Year Question Paper for B.Tech Semester 3, academic session 2025-26. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 3
Session:2025-26
University:AKTU / UPTU

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Questions Asked in 2025-26

Sensor Instrumentation (BOE305) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 2x07=14
  • a
    What is the principle of strain gauge operaiion? 1 K1 eatres order Raia a?
  • b
    What is the Hall effect? 2 Kl Bla sthae a8?
  • c
    Mention the characteristics of VI 3 K2 VI} TOR TaSUl an State advantages of networked DAQ systems. 4 Kl dears DAQ RRA AY Sargu! le. What is meant by-geephical programming? : 3 Kl Tift Went Br aa sek ee. ee
  • f
    What is the role of a microcontroller in smart sensors? 15 K2 wid Ger A rewire St yar? l
  • g
    Give few advantages of smart sensors. 7 5 Kl Lae Re we PS MN eT ee _ Lie < SECTION B 2... Attempt any three of the following: 7x3=21
  • a
    Describe the use of LVDT-based diaphragm for pressure measurement with K2 suitable i!lustrations. LVDT sneha Sas BT Saab aaa AGA es ferr be far aa z, SUG ARE Ufed TATE
  • b
    Explain the measurement of temperature using a thermocouple with advantages ; 2 K3 and limitations. A platinum RTD has Ro=100 Q and temperature coefficient a=0.00385/°C. Find resistance at 150°C UPUe hl GUAT Hed GIA A Hl SASISU! Sa aTY she Mars TaSU! US THETA RTD HT Ro = 100 Q AR AGA YUIs a = 0.00385/°C @, dl 150°C WR SMT URI ad PHST © Discuss in detail about While and For Loops with Examples.. 3 K2 While 3X For Ul Hl Salexn & Ue faka S PASNST
  • d
    Explain the working principle of successive approximation ADC with a neat 4 K3 diagram. Find the resolution of an. 8-bit ADC with reference voltage 5S V. BaoRs WHA ADC oT ard Reid sive Bled PASMSU! 8-fae ADC foe WHLa aie 5 ve, Seer Roeega a HUST
  • e
    Explaithe concept of self-communicating sensors. Analyze the benefits of 5 K3 self-calibration and self-testing in smart sensors. Ferner six -weaien Sax Gt sguRon WAsSul wie Fax F eq- 2fea onl or fase p24 SU [ UMNO ETE Subject Code: BOE305 PAPER ID-311848 (SEM Il) THEORY EXAMINATION 2025-26 oe SENSOR & INSTRUMENTATION
Section CAttempt any one part of the following: 07x 1=07
  • a
    Describe the operation of an optical encoder and differentiate between absolute K2 and incremental encoders. sted Test oT ors TAMEY oR Use THIST Te ewtcel WHlsr A sex Tasul
  • b
    Explain the construction and working principle of a potentiometer used for 1 K3 displacement measurement. A strain gauge with gauge factor 2 experiences a strain of 400 ps. Find the fractional change in resistance. feeeate ama & feu yaad WeRraier wt tea aR of fala sirigecircfences ate der eco ro thee 2 & 400 pe VA ATU GT &, ctoferte 4 srtftres ofkada ara srfere
  • a
    Describe the working of ultrasonic flow sensors and their industrial 2 K2 applications. a Sees Fh Ge HT HS SASS si sae Seley sar sarsT
  • b
    Describe the working of capacitive level sensors. How do changes in 2 K3 capacitance correspond to chenges-in-tiquic levet?-€ompare their advantages and limitations with ultrasonic levelsensors... SUticg dae Sa ST SA Waser! Haica a uftada we za ara Ube & SAR ahr Steger ee Ge gr 5 He oh aagul
  • a
    Explain array, clusters and its function in detail. 3 K2 W (Array) SHR FARR (Cluster) HT AKA F PASISU TU SAS HY FaAgU!
  • b
    Draw the architecture of VI and indicate the parts. Also give its advantages. 3 K2 MES) SREY ST SRS PENT A ele HT Sol AIT NT Sah mY dag
  • a
    Describe the use of data sockets for networked communication with suitable 4 K2 examples. oe ee SOY Fare
  • b
    Explain the basic block diagram of'a data acquisition system. Write a short note 4 K2 on digital I/O applications in industrial automation. Set SHITE RCH FT AS Sih. SS WAST! stele seer feiea vod sayari ox fered feu feer iP Attempt any one part of the following: 07x 1=07
  • a
    Explain the use of smart sensors in automatic robot control systems. 5 K2 wate tele Fraaur yore 4 wre GeR & Soa Hl qHETSU!
  • b
    Explain the architecture of intelligent sensors with block diagram. 5 K2 Scheie Ga Hl Aa HI Kim sik wed GASNST 2 Pare

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.

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