Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks
What is communication? What are the different stagesin the communication process?1 921
What happens if you give supply to the rotor of three phase induction motor?11 23003
why nearly all the voltage levels are in the multiples of 11 like 3.3 ,6.6 ,33 ,11 kv.....8 7429
what are the current specifications of bus ducts ? i ve seen in IPBD bth 22000 A and 1500 A in 400 kv switchyard . why it is so??1 1601
why nearly all voltages are in the multiples of 11?5 5969
sir please send me previous year questions of jspl through which i could prepare myself fpr the test.64 30529
can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent816
On what basis no of earth pits are to be decided either for transformers or for equipment?8 15283
What is defference between earthed and unearthed cable(HT)? Which is better for under ground cabling?1 5846
why should series motor be started with load and shunt motor should be started without load??????7 17006
why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain
In general bus riser follows the bus section in SWGR. What are impacts if bus section follows bus riser?
can we use NPT glands in LT panel
would you please give me any idea about the BARC interview question on electrical? i have an interview on 1st july.....plz hlp me.......its urgent......
what is is the potential diffrence between two phase ?
what are the available sizes of pin type terminal lugs in the market today?
How can calculate the rating of a servo stabilizer for given a specific load
What would cause a 240v choke that should give 110v out on a 16w lamp to gradually increase to 160v?
Is it possible to download the Siemens Selection Chart(TYPE 2 coordination) for 1) fuseless selection 2)Fuse selection
explain working principle of earth leakage relay
7. A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is
what is the difference between changer, converter and transformer?
Igfet is a
If symmetrical fault occurs at the terminal of a synchronous motor then how the motor will act...explain it..
Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?