Electrical 4th sem important questions diploma

1. Define error and explain types of errors in instrument. 
2. Sketch neat sketch of permanent magnet moving coil instrument and label its part. 
3. Drive the expression of shunt resistance in excel extending the range of DC ammeter. 
4. Drive expression for unknown resistance by using wheatstone Bridge. 
5. List any five competition between Digital and analogue metres.
6. Draw the block diagram of digital synchroscope define transducer and List any three types of transducer. 
7. Draw the block diagram of AC signal conducting system. 
8. Explain the necessity of a torque instrument list the types of torque. 
9. List the advantages and disadvantages of moving iron instrument. 
10. Explain with neat diagram construction and working of repulsion type moving iron instrument. 
11. List the types of range extension used for DC metres. 
12. Draw circuit of registration of DC and DC voltmeter AC ammeter and voltmeter. 
13. Explain with neat diagram construction and working of dynamometer type wattmeter.
14.  List any two types of energy metres.
15.  Explain the need diagram construction and working of single phase energy metre. 
16. List any two errors in energy metre. 
17. Draw the circuit of Maxwell Bridge Kelvin double bridge and label the parameters . 
18. Draw the block diagram of digital power factor metre. 
19. With block diagram explain the operation of digital frequency metre. 
20. Draw the block diagram of digital power factor. 
21. List any two applications of digital trivector metre.
22.  Explain the operation of parameter with neat sketch. 
23. Write the full form of DDT and rvdt explain the operation of electronic transducer with neat sketch list any two application of strain gauge. 
24. Define the following accuracy sensitivity resolution tolerance. 
25. Explain the operation of Thermocouple with neat sketch list the applications of digital LCR metre. 
26. Measurement of inductance using maxwell's Bridge.
27.  Explain the operation of Thermocouple with sketch. 
28. Explain the construction and working of permanent magnet moving coil instrument with neat sketch. 
29. Explain construction and operation of single phase induction type energy metre.
30.  List the types of errors in electro dynamometer type wattmeter and explain each of them full stop explain counter type digital frequency metre with block diagram. 
31. Compare analogue and digital metres. 
32. Explain DC signal conducting system with block diagram. 
33. List advantages and disadvantages of digital metres. 
34. List merits and demerits of digital tachometer. 
35. Mention the parameters on which transistor can be selected. 
36. List application of electric transducer. 
37. Application of LCR metre sister explain with diagram operation of digital tongue twister.