Summary all important question for endsem exam of Instrumentation & Control

INC PAPERS
Unit 1: Transducers
Paper 1:
 Q. No. 1a) Differentiate between active and passive transducer. (Any 4 points)
 Q. No. 1b) State the working principle of diaphragm with a neat diagram. State C
advantages and applications of diaphragm (two points each)
 Q. No. 1c) State the selection criterion of transducers.
 Q. No. 1d) Explain Photovoltaic transducers with the help of the following C points: i)
state its working principle, ii) materials used, and iii) applications.
 Q. No. 1e) Draw a neat diagram of capacitive pressure measurement transducer and
explain its working. State the applications.
Paper 2:
 Q. No. 1a) Define Laplace transform & develop different equations of R-L-C circuit.
 Q. No. 1b) Derive the transfer function of the closed-loop control system.
 Q. No. 1c) Define any four frequency response specifications.
 Q. No. 1d) Explain the concept of relative stability with an example.
 Q. No. 1e) State advantages & disadvantages of frequency response analysis.
 Q. No. 1f) Define: i) Transient & steady state response ii) Pole's & Zero's
Unit 2: Applications of sensors and transducers
Paper 1:
 Q. No. 2a) Draw a neat diagram of LVDT and explain the working of the same. State
the applications of LVDT.
 Q. No. 2b) Describe with a neat diagram the working of Ultrasonic Doppler
flowmeters. List the applications of the same.
 Q. No. 2c) Enlist the necessity of signal conditioning elements in Instrumentation
(any 4 points). Draw a neat block diagram and explain the working of DC signal
conditioning.
Paper 2:
 Q. No. 2a) Find transfer function C(S)/R(S) by block diagram Reduction technique.
 Q. No. 2b) State the need for standard test input signals with graphical &
corresponding Laplace representation.

,  Q. No. 2c) Define stable, unstable, critically and conditionally stable system with root
location on S-plane.
Unit 3: Signal Conditioning & Data Acquisition System
Paper 1:
 Q. No. 3a) Enlist different noncontact type Level measurement systems. Explain any
one with a neat sketch.
 Q. No. 3b) Enlist different types of Temperature measuring transducers. Draw a neat
diagram of RTD (resistive temperature detector) and explain working.
 Q. No. 3c) Sketch a neat block diagram of Multichannel DAS and explain the working
of the same. List two applications of the Data Acquisition System.
Unit 4: Overview of Control System
Paper 1:
 Q. No. 4a) Define the system with a practical example.
 Q. No. 4b) Differentiate between open-loop & closed-loop control systems.
 Q. No. 4c) Develop differential equations of R-C and R-L-C electric circuits.
 Q. No. 4d) List properties, advantages & limitations of the transfer function.
 Q. No. 4e) Calculate order, type, characteristic equation poles & zero’s of the system
with practical examples.
 Q. No. 4f) Determine the Block diagram representation of a system using reduction
rules.
Paper 2:
 Q. No. 4a) State the need for block diagram reduction technique and explain any
four rules of reduction.
 Q. No. 4b) Explain the working principle of the AC servo system with a neat labeled
block diagram.
 Q. No. 4c) A second-order system is given by C($) overshoot. find out settling time
and peak.
Unit 5: Dynamic Analysis of a System
Paper 1:
 Q. No. 5a) Differentiate between time domain & frequency domain analysis.
 Q. No. 5b) Analyze Transient and steady-state response.
 Q. No. 5c) Evaluate all Time response specifications.