GTU Electrical Measurements & Measuring Instruments - December 2014 Exam Question Paper

GTU Electrical and Electronic Engineering (Semester 3)
Electrical Measurements & Measuring Instruments
December 2014

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) Define and explain: (1)Accuracy (2) Precision

7 M

1 (b) State different errors in measurement and explain any three.

7 M

2 (a) Draw neat sketch of single phase electrodynamometer type power factor meter. Explain its working.

7 M

Answer any one question from Q2 (b) & Q2 (c)

2 (b) Explain two wattmeter method used to measure power of a 3-phase balanced load.

7 M

2 (c) Explain working of Kelvin's double bridge for measurement of low resistance with neat diagram.

7 M

Answer any two question from Q3 (a), (b) & Q3 (c), (d)

3 (a) Explain measurement of inductance with the help of Hay's Bridge. Write advantages and disadvantages of Hay's Bridge.

7 M

3 (b) Explain the working of digital volt meter with schematic block diagram.

7 M

3 (c) Describe the working of a digital frequency meter with schematic block diagram.

7 M

3 (d) Define transducer and classify transducers on different basis.

7 M

Answer any two question from Q4 (a), (b) & Q4 (c), (b)

4 (a) Describe the construction and working of L.V.D.T. with neat sketches. Draw its output characteristics. State advantages and disadvantages of it.

7 M

4 (b) Explain AC tachometer generator with neat diagram and write limitations of it.

7 M

4 (c) State different types of torque measurement techniques and explain any one in brief.

7 M

4 (e) Explain the principle of operation and construction of RTD .

7 M

Answer any two question from Q5(a), (b) & Q5 (c), (d)

5 (a) What is Hall effect? Describe the construction, working principle of Hall effect Transducers and write its applications.

7 M

5 (b) State different pressure measurement techniques. Explain any one in detail.

7 M

5 (c) Describe how to make extension of range of voltmeter and ammeter.

7 M

5 (d) Describe digital storage oscilloscope with schematic block diagram and state its applications.

7 M

More question papers from Electrical Measurements & Measuring Instruments

SPONSORED ADVERTISEMENTS