JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech III ELECTRICAL AND ELECTRONICS INSTRUMENTATION Previous Question Paper (August/September - 2024 - R16)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
Define Fidelity.
Answer
Fidelity is the ability of an instrument to reproduce the changes in the input signal exactly, without any dynamic error. It represents the faithfulness of the output signal to the input signal.
Compare periodic and aperiodic signals.
Answer
A periodic signal repeats its pattern at regular intervals of time, defined by a period T, such as sine waves. An aperiodic signal does not repeat its pattern over time and is non-periodic, such as a single pulse or transient signal.
Summarize the applications of CRO.
Answer
Sign in to view the complete answer paper.
What is the principle of Digital Phase Meter?
Answer
Sign in to view the complete answer paper.
Define Total Harmonic Distortion factor.
Answer
Sign in to view the complete answer paper.
Explain the need of peak responding Voltmeters.
Answer
Sign in to view the complete answer paper.
List the applications of LVDT.
Answer
Sign in to view the complete answer paper.
Compare active and passive transducers.
Answer
Sign in to view the complete answer paper.
List the pressure measuring elements.
Answer
Sign in to view the complete answer paper.
Explain the principle of Rotameter.
Answer
Sign in to view the complete answer paper.
Part B
Explain the significance of pulse modulation.
Answer
Sign in to view the complete answer paper.
Elaborate about standard test signals with their representation.
Answer
Sign in to view the complete answer paper.
What are the static performance characteristics? Explain them.
Answer
Sign in to view the complete answer paper.
Compare Gross errors and Systematic errors that occur in measuring systems.
Answer
Sign in to view the complete answer paper.
How can you measure voltage using ramp type DVM? Elaborate.
Answer
Sign in to view the complete answer paper.
Conclude the need of Time base generator in CRO.
Answer
Sign in to view the complete answer paper.
Inspect the principle of working of dual slope type DVM.
Answer
Sign in to view the complete answer paper.
How can you measure Frequency using Lissajous patterns? Explain.
Answer
Sign in to view the complete answer paper.
Explain working of Vector Impedance Meter with neat block diagram.
Answer
Sign in to view the complete answer paper.
Inspect the Principle of operation of heterodyne wave analyzers.
Answer
Sign in to view the complete answer paper.
Explain the working of True RMS responding voltmeters with a neat sketch.
Answer
Sign in to view the complete answer paper.
Conclude the need of spectrum analyzers.
Answer
Sign in to view the complete answer paper.
Inspect the principle of Thermocouples and mention their applications.
Answer
Sign in to view the complete answer paper.
Explain the function of Syncro? And mention its applications.
Answer
Sign in to view the complete answer paper.
Explain the principles of operation of Inductor and resistive transducers.
Answer
Sign in to view the complete answer paper.
Compare Photo Voltaic Cells and Photo Conductive Cells.
Answer
Sign in to view the complete answer paper.
Inspect the principle of operation of obstruction Flow meters.
Answer
Sign in to view the complete answer paper.
How can you measure Vacuum? Elaborate.
Answer
Sign in to view the complete answer paper.
How can you measure Displacement? Elaborate.
Answer
Sign in to view the complete answer paper.
How can you measure Velocity? Explain.
Answer
Sign in to view the complete answer paper.