My Report

Electrical Measurements Practice Test 5


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. Self braking action is minimised by _________

2. Phase sequence indicator gives the maximum value of phase voltages.

3. The meter constant of a single-phase, 230 V induction watt-meter is 600 rev/kW-h. The speed of the meter disc for a current of 15 A at 0.8 power factor lagging will be?

4. Overloading is ________

5. Disc rotation is determined by ________

6. Measurement of energy involves _________

7. Decibel covers a small range of values.

8. Shading coil consists of many thick turns.

9. Frictional errors are dominant in an energy meter.

10. Disc rotates slowly in some energy meters.


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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