why double earthing is required for welding machine &
electrical tools.
Answer Posted / pravin
1.For safety of personnel & equipment
2.Reduces voltage fluctuation in case of excess current flow.
3.In case non use of tripping devices it reduces the risk of electrocution.
| Is This Answer Correct ? | 17 Yes | 7 No |
Post New Answer View All Answers
In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?
placement paper samples of mspl company
in non technical way how can u define POWER FACTOR??
model question paper for supervisor trainee
Explain the working of any one cutting machine
What is pd controller?
What is negative sequence over voltage element?
what is meant by skew width in machines?
internally connection of photvoltic module
What is the difference between in Fourier series and Fourier Transform. and please tell me the difference between both of them and the why we use them in communication system?
71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit
What is meant by reset level of the relay?
How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?
Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?
what is the chiller and working principal