30 Jun 2025

ELECTRICIAN 1st YEAR MODULE – Measuring Instruments

by | posted in: nimi online test, NSQF, NSQF LEVEL 4 | 0
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Question 1 of 37

1. In which position should spring-controlled instruments be used?

Question 1 of 37

Question 2 of 37

2. What is the purpose of the variable resistor connected across a shunt-type ohmmeter?

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Question 3 of 37

3. What is the purpose of the 3rd terminal in advanced megohm meters?

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Question 4 of 37

4. What happens if a CT's secondary is kept open?

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Question 5 of 37

5. Which material is used to make control springs in measuring instruments?

Question 5 of 37

Question 6 of 37

6. What is the unit of instrument sensitivity?

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Question 7 of 37

7. Which instrument accurately measures resistances of 1 ohm and below?

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Question 8 of 37

8. How to achieve maximum accuracy in analog instrument measurements?

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Question 9 of 37

9. What type of instrument is this?

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Question 10 of 37

10. Which error occurs due to incorrect instrument positioning during reading?

Question 10 of 37

Question 11 of 37

11. What type of instrument is this?

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Question 12 of 37

12. What is the function of an integrating instrument?

Question 12 of 37

Question 13 of 37

13. Calculate the shunt resistance needed to measure 10mA with a 1mA meter:

Question 13 of 37

Question 14 of 37

14. Which electrical effect does a single-phase energy meter work on?

Question 14 of 37

Question 15 of 37

15. Why do moving iron instruments have non-uniform scales?

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Question 16 of 37

16. How to identify a moving iron type instrument?

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Question 17 of 37

17. What type of meter is this?

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Question 18 of 37

18. Which type of energy meter works with neutral connection?

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Question 19 of 37

19. Why are two straight holes provided in an energy meter's aluminum disc?

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Question 20 of 37

20. Why do moving coil meters have uniform scales?

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Question 21 of 37

21. Which instruments typically use air friction damping?

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Question 22 of 37

22. Which measuring error is caused by magnetic field effects?

Question 22 of 37

Question 23 of 37

23. What is the function of soft iron core in moving coil instruments?

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Question 24 of 37

24. Which parameter causes loading effect in measuring instruments?

Question 24 of 37

Question 25 of 37

25. Which instrument is an example of an integrating instrument?

Question 25 of 37

Question 26 of 37

26. Which quantity is measured by an electrodynamometer type instrument?

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Question 27 of 37

27. What type of frequency meter is this?

Question 27 of 37

Question 28 of 37

28. What material is used for shunt resistances?

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Question 29 of 37

29. What error occurs when an energy meter disc rotates continuously without load?

Question 29 of 37

Question 30 of 37

30. Which is an absolute instrument?

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Question 31 of 37

31. What type of scale is this?

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Question 32 of 37

32. How is creeping error controlled in energy meters?

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Question 33 of 37

33. Why is damping force required in moving coil instruments?

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Question 34 of 37

34. What type of wattmeter is this?

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Question 35 of 37

35. In which position should instruments with gravity control be used?

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Question 36 of 37

36. Which meter measures motor revolutions per minute?

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Question 37 of 37

37. Which force is required to move the pointer from zero position in an indicating instrument?

Question 37 of 37


 

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