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