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Electrical Measurement & Instrumentation (EM&I) Quiz #1
- 25 Questions (Selected Randomly)
- 25 Marks (1 Mark/Question)
- 25 Minutes of Time
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- Answered
- Review
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Question 1 of 25
1. Question
An ammeter is …… instrument.
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Question 2 of 25
2. Question
Indicating instrument’s pointer is made of …..
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Question 3 of 25
3. Question
The dynamo-meter type instrument can be used of …..
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Question 4 of 25
4. Question
A dynamo-meter instrument is used as …..
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Question 5 of 25
5. Question
The controlling torque of an indicating instrument ….. as the deflection of the moving system increases.
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Question 6 of 25
6. Question
When the pointer of an indicating instrument comes to rest in the final deflected position, …..
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Question 7 of 25
7. Question
When the pointer of an indicating instrument is in motion, then deflecting torque is opposed by …..
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Question 8 of 25
8. Question
If an indicating instruments’ pointer is in final deflection position, …..
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Question 9 of 25
9. Question
In eddy current damping, the disc is made of ….. material.
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Question 10 of 25
10. Question
Fluid friction damping is not employed in indicating instruments through one can find its use in …..
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Question 11 of 25
11. Question
A permanent magnet moving coil (PMMC) instrument can be used for …..
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Question 12 of 25
12. Question
The scale of permanent magnet moving coil (PMMC) instrument is uniform because,
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Question 13 of 25
13. Question
Shunts are generally made of …..
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Question 14 of 25
14. Question
The shunt’s material should have …..
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Question 15 of 25
15. Question
Small swamping resistance is put in series with the operating coil of a moving coil ammeter in order to compensate for the effects of …..
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Question 16 of 25
16. Question
In a dynamo-meter type instrument, damping is provided by the …..
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Question 17 of 25
17. Question
In which instrument spring is provided for controlling torque as well as serve to lead current into and out of the operating coil?
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Question 18 of 25
18. Question
If the current through operating coil of moving iron instrument is doubled, the operating fore becomes …..
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Question 19 of 25
19. Question
The full-scale deflection current of moving coil instrument is about …..
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Question 20 of 25
20. Question
For measuring high values of alternating current with a dynamo-meter ammeter, we use a …..
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Question 21 of 25
21. Question
Hot-wire instrument has ….. scale.
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Question 22 of 25
22. Question
The full scale voltage across a moving coil voltmeter is about …..
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Question 23 of 25
23. Question
The moving iron instrument has ….. scale.
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Question 24 of 25
24. Question
The range of moving iron AC ammeter is extended by …..
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Question 25 of 25
25. Question
To measure high-frequency current, we mostly use ….. ammeter.