B.TechSemester 32022-23Sensor And InstrumentationKOE-034
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Sensor And Instrumentation (KOE-034) - AKTU Question Paper 2022-23

B.Tech · Semester 3 · Free PDF Download

This is the official AKTU Sensor And Instrumentation Previous Year Question Paper for B.Tech Semester 3, academic session 2022-23. 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:2022-23
University:AKTU / UPTU

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Questions Asked in 2022-23

Sensor And Instrumentation (KOE-034) — extracted question text

Section AAttempt all questions in brief. 2 x 10 = 20
  • a
    Explain the characteristics of sensors
  • b
    What are the factors to be considered while selecting transduc er?
  • c
    Compare Thermocouple and Ther mistor temperature transducer
  • d
    Write down various material used in RTD (Resistance Temperatur e Detector) with it’s temperature range
  • e
    Write the syntax for two types of WHILE loop
  • f
    What is Formula Node?
  • g
    Explain difference between counter and timer
  • h
    What is use of Data Sockets f or Networked Communication? (i) Give the features of smart sensors (j) Explain the use of smart sen sor in industrial robots
Section BAttempt any three of the following: 10x3=30
  • a
    Give the construction and working of LVDT for displacement mea surement, write advantages and disadvantages of LVDT
  • b
    Describe the construction and working of thermocouple. A therm ocouple circuit uses a chromel-alumelthermocouple which gives an emf of 33.3 mV . When measuring at emperature of 800 °C with reference temperature 0 °C. The resistance of the meter coil, Rm is 50Ω and a current of 0.1 mA gives full scale deflection. The resistance of junctions and leads, Re is 12Ω . Calculate: Resistance of the series resistance if a temperature of 800 °C isto give full scale deflection. (The resistance temperature co-efficient o f c o i l i s
  • c
    Explain the essential need for V irtual Instrumentation and compare it with the traditional instruments
  • d
    Discuss the Digital to Analog Converter :i. R-2R ladder network method ii. Weighted resistors method
  • e
    With the help of block diagram discuss the architecture of smart sensors
Section CAttempt any one part of the following: 10x1=10
  • a
    How do you measure strain with t he help of a strain gauge transducer also write the various characteristics of strain gauges?
  • b
    Discuss piezoelectric sensor or transducer withsuitable diagram.A quartz piezo- electric crystal having a thickness of2 mm and voltage sensitiv ity of 0.055 V- m/N is subjected to a pressure of 1.5 MN/m 2. Calculate the voltage output. If the permittivity of quartz is 40.6 × 10–12 F/m. Calculate its charge sensitivity
  • a
    What is Hall Effect sensor? How it can be used to measurefluid levelposition?
  • b
    Discuss the working principle of capacitive levelsensors also w rite advantages, disadvantages and applications ofcapacitive level sensors
  • a
    Discuss in detail about different structures with examples
  • b
    Explain the role of different hardware’s and software’s in Virt ual Instrumentation in detail
  • a
    W h y w e u s e d a t a a c q u i s i t i o n s y s t e m ? D r a w i t s b l o c k d i a g r a m & e xplain in detail its each component
  • b
    Explain in detail Successive appr oximation A/D converter; write t h e applications of analog to digital converter (ADC)
  • a
    Explain the following characteristics of smart sensors in detai l, Self- calibration, Multi-sensing, Communication, Self-Diagnosis
  • b
    Explain in detail the various applications of smart sensors in smart cities

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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