Download GTU BE/B.Tech 2019 Summer 6th Sem Old 160905 Electrical And Electronic Measurement Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 6th Sem Old 160905 Electrical And Electronic Measurement Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI(OLD) ? EXAMINATION ? SUMMER 2019
Subject Code:160905 Date:14/05/2019
Subject Name: Electrical & Electronic Measurement
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Classify the errors in measurement and its remedies in detail. 07
(b) What are the limiting errors and discuss the concept of probability of errors in
detail.
07

Q.2 (a) Derive the expression of Anderson?s bridge with its schematic and vector
diagrams.
07
(b) Explain the working of low voltage Schering bridge with its bridge circuit and
vector diagram.
07
OR
(b) Discuss that how the Wein?s bridge measure the frequency with its bridge circuit. 07

Q.3 (a) Describe the working of digital LCR meter with neat sketches. 07
(b) Derive the expression for Wheatstone bridge sensitivity for equal bridge arms. 07
OR
Q.3 (a) List the various techniques for measuring high resistance and explain the working
of ?Loss of Charge Method? for measurement of high resistance.
07
(b) Explain the effect of change in burden & power factor on the ratio & phase angle
of CTs.
07

Q.4 (a) Give detail comparison of current and potential transformers. 07
(b) Describe the construction and working of flux meter in detail with its neat
diagram.
07
OR
Q.4 (a) List the various kinds of cable faults and explain the operation of ?Varley Loop
Test? with neat sketch.
07
(b) Discuss that how the magnetic potentiometer works in detail with relevant
diagram.
07

Q.5 (a) Derive the expression of instrumentation amplifier with its diagram and
advantages.
07
(b) Explain the working principle and operation of spectrum analyzer. 07
OR

Q.5 (a) Discuss the difficulties in measurement of high resistance with its remedies. 07
(b) Explain the four crucial terms which are associated with CTs and PTs (Instrument
Transformers).
07



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