B.TechSemester 42023-24Sensor InstrumentationBOE405

Sensor Instrumentation (BOE405) - AKTU Question Paper 2023-24

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 2023-24. 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:2023-24

University:AKTU / UPTU

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Questions Asked in 2023-24

Sensor Instrumentation (BOE405) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 2 x 7 = 14

a
Define sensors and transducers
b
How do you select a sensor for a specific application?
c
What is a Thermistor?
d
What are the advantages of virtual instrumentation techniques?
e
What is the purpose of counters in data acquisition?
f
Explain the use of data sockets for networked communication
g
What are smart sensors?

Section BAttempt any three of the following: 7 x 3 = 21

a
How does an Optical Encoder measure displacement?
b
Describe the working of an RTD (Resistance Temperature Detector) in temperature measurement. An RTD has a resistance of 100 Ω at 0°C and
a
temperature coefficient of 0.385 Ω/°C. Calculate its resistance at
c
What are graphical programming techniques in virtual instrumentation?
d
Explain the principle of operation of Weighted Resistor DAC . Calculate the output voltage for a weighted resistor DAC with an input binary code
e
Discuss the application of smart sensors in automatic robot control

Section CAttempt any one part of the following: 7 x 1 = 7

a
How is force measured using a strain gauge?
b
Describe the working of a piezoelectric sensor for pressure measurement
a
Discuss the operating principles of ultrasonic flow sensors
b
How does a Hall effect sensor measure position? Discuss the operation of capacitive level sensors
a
Explain the concept of WHILE and FOR loops in graphical programming
b
Explain the purpose and functionality of structures in graphical programming
a
Draw a basic block diagram of data acquisition. Differentiate between analog and digital IO (Input/Output)
b
Explain the principle of operation of Sigma-delta ADC
a
Explain the characteristics of smart sensors
b
Describe the general structure of smart sensors and their components

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.