Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / nithya
generally electricl resisitance should be a 2 ohms. suppose
u are in a building the individual ohm is 1.2 ohm. and group
should be a 0.8 ohm.
| Is This Answer Correct ? | 1 Yes | 6 No |
Post New Answer View All Answers
How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?
What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?
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 consists of 2 or more thermocouples to be connented series?
What is principle of Floroscent tube 36watt.
In what condition the HT fuse breakes?
I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions
Transformer diagram mention each parts ?
what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?
Please brief working principle & construction of permanent magnet AC Servo motor
formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?
what is transient stability analysis means?
What are Contactors? How they works and what its highest rating?
In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?
why various test are performed on electrical panels & power cables before commissioning on site & what are these test???
