What do you understand by static and dynamic characteristics of a measuring instrument?
[3 marks]Explain in detail working principle and construction of LVDT.
[4 marks]Describe the constructional detail of a moving iron instrument with the help of diagram. Derive the equation for defection if spring control is used.
[7 marks]Explain working principle of strain gauge.
[3 marks]Define the following terms : (1) True value (2) Threshold (3) Sensitivity (4) Zero drift
[4 marks]Describe the working principle, construction and operation of R.T.D. Draw it’s characteristics.
[7 marks]Explain construction and working principle of I-phase induction type energy meter.
[7 marks]Explain the different principles of working of capacitive transducers.
[3 marks]Draw & explain the construction of PMMC instrument.
[4 marks]Explain working of Kelvin’s double bridge for measurement of low resistance with neat diagram
[7 marks]Explain how strain gauges are used for the torque measurement.
[3 marks]Explain working principle of Weston frequency meter.
[4 marks]Describe construction of thermocouple in detail with different materials used for the Same.
[7 marks]Explain why CT secondary should not be open ?
[3 marks]Discuss the loss of charge method for high resistance measurement.
[4 marks]Draw & explain block diagram of Digital storage oscilloscope.
[7 marks]How is the instrument range extended by Instrument Transformers?
[3 marks]Draw the circuit diagram of Anderson’s bridge.
[4 marks]Explain working principle and construction of Piezoelectric transducer.
[7 marks]Write a brief note on Megger.
[3 marks]Explain working principle of Hall effect transducer.
[4 marks]Explain Maxwell’s inductance capacitance bridge with connection diagram and phasor diagram also state balance condition for the same.
[7 marks]What is clamp on meter ? Write its applications.
[3 marks]Draw circuit of Owen’s bridge. Write its applications
[4 marks]Explain measurement of unknown capacitance with the help of Schering bridge. Also draw phasor diagram.
[7 marks]