B.TechSemester 32023-24Sensor InstrumentationBOE305

Sensor Instrumentation (BOE305) - AKTU Question Paper 2023-24

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 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 3

Session:2023-24

University:AKTU / UPTU

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Questions Asked in 2023-24

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

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 7 = 14

a
Define sensors and transducers. 2 1
b
Discuss the use of a strain gauge in force measurement. 2 1
c
Explain the operation of a thermistor. 2 2
d
Why is there a need for software-based instruments in industria l automation?
e
Compare successive approximation and sigma-delta ADCs. 2 4
f
Explain the working principle of a successive approximation ADC. 2 4
g
Define self-calibration in the context of smart sensors. 2 5

Section BAttempt any three o f t h e f o l l o w i n g : 7 x 3 = 21

a
Discuss the selection criteria for sensors in industrial applications. 7 1
b
Describe the working principle of a thermocouple and its advant ages and limitations
c
Define virtual instrumentation an d explain its graphical progra mming techniques
d
Describe the operation of counters and timers in data acquisition systems. 7 4
e
Explain the characteristics of smart sensors 7 5

Section CAttempt any one p a r t o f t h e f o l l o w i n g : 7 x 1 = 7

a
Describe the working principle a nd construction of an LVDT. How is it used for displacement measurement?
b
Discuss the working principle a nd application of piezoelectric sensors in pressure measurement
a
Describe the principles and appl ications of ultrasonic and lase r flow sensors
b
Describe the working principle o f Hall effect sensors for posit ion measurement
a
Explain the concept of WHILE and FOR loops in graphical programming
b
Discuss the structures such as Case, Sequence, and Formula node s in virtual instrumentation
a
Discuss the basic block diagram of a data acquisition system. 7 4
b
Explain the operation of an R-2R ladder DAC. 7 4
a
Describe the general structure of smart sensors and their components. 7 5
b
Discuss the applications of smart sensors in automatic robot co ntrol and automobile engine control

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.