Electronic Instruments and Measurements - May 2014

Electronics Engineering (Semester 3)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks.

Solve all :-

1 (a) Explain the remedies to eliminate the error in measurement(5 marks) 1 (b) Write the specifications of analog multimeter(5 marks) 1 (c) Discuss the role of delay line in CRO(5 marks) 1 (d) Draw and explain the venturi meter for flow measurement(5 marks) 2 (a) Write short note on "Data Acquisition System"(10 marks) 2 (b) Draw and explain the construction and working of dead weight tester(10 marks) 3 (a) Explain in detail voltage and frequency measurement using CRO(10 marks) 3 (b) Write short note on "Q-meter".(10 marks) 4 (a) Explain the static and dynamic characteristics of instruments in detail(10 marks) 4 (b) Draw and explain the block of DSO. Also write its applications(10 marks) 5 (a) Draw and explain the construction and working of linear variable differntial transformer(10 marks) 5 (b) Draw and explain the construction and working of Rotameter(10 marks)

Write short note on :-

6 (a) Mega ohm bridge(5 marks) 6 (b) Chop and Alternate mode of CRO(5 marks) 6 (c) Capacitance sensor for displacement measurement(5 marks) 6 (d) Float type method of level measurement(5 marks)