How do you maintain the earthing resistance?
Answer Posted / venugopal
Earth resistance is maintained 2 ohms.and now a days using chemicals also for earthing
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Can u tell me design of switch yard
what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks
Batteries used for electrical energy storage are a. Laclanche cells b. Edison cells c. Lead acid cells d.any of the above
What is the importance of counter based plan & how is it scheduled?
what is the star delta connetion and how can do it a three phase motor with control witing with picture
Is it possible to measure the voltage of a battery from a single terminal?
for 5KW resistive load can anyone please suggest me whether to go for UPS/Inverter or Generator depending upon cost calulations
if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .
What is ST and specify its range of voltage.
whats the existence of reactive power and when it arises?
What is nichols chart?
Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.
What happens if the negative to earth voltage is greater than positive to earth voltage in the battery of substation?
the winding of Generator and Motor is star or in delta ? and why
tell me some type of questions throught which i can prepare for exam and do my best