how to get more than 1000 ohms between 2 earth pits ?
Answers were Sorted based on User's Feedback
Fill the earth pit with dry saw dust with bottom resting on
an insulated block
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / sanjay d. dabli
Look this is tricky question because earth has resistance from 0 ohms to 10 ohms.This means if we make earth pit we get resistance between 0 to 10 ohms. We can get 1000 ohms resistance between two earth pit by providing 1000 ohm resistance between them.
| Is This Answer Correct ? | 1 Yes | 1 No |
What is the maximum breakdown voltage of 11KVA and 66 KVA power line and how it is calculated?
0 Answers Anglo Platinum, Narnarayan Electrical,
Which Class insulation is prefered for the sandwich Busducts ? Why?
1. what is the power factor of a purely inductive load? 2. Which type of transformer connection is preferred in case of power supply transformers? 3. In power transformer usually which winding is closer to the core? 4. what will happen to the generated emf if the no. of poles of an alternator is increased?
IF ANY MATERIAL AVAILABLE IN MARKET FOR MOTOR PROTECTION INSTEAD OF OLR & CONTACTOR ?
as ac supply is given 2 the transformer why it doesnot depends upon powerfactor????
the process cynide is used for?
how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.
1 Answers Bhel, Indorama, Power Grid,
Hello Friends, How can we recognize the CT Star Point is S1 or S2 in case of Electro Mechanical Relays and what is meant by Restraining coil in relays and what is the purpose of that.. thank you in advance..
what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?
Tell me about Simence PLC 'BLOCK'.How many types and what for.
How to calculate of maximum demand if given 628kw, 785kva, 0.8 p.f.
What are the components of a substation?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)