in electrical fire which group fier Extinguisher as used
Answer Posted / nagarjuna
co2 is the best gas use to estinguish fire
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What are the applications of the electric motors?
what is control supply rating of a machine
In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?
I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.
why and where we use early make & late break contacts in protection?
in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks
what is meant by vector group of a transformer? How can it be derived?
there are cam operated switches - why we call cam operated , What is cam ?
Why is the frequency not changed during transformation of electrical energy in a transformer?
-How do you select cable size for a given load at a given distance from source of supply. How do you find voltage drop.
what ispositive, negative, zero sequence impedence?
oil cooled transformer
what is the cause of voltage dipp or swell in the transmission lines?
HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U
Why the standard of ambient teperature mentioned as 40 degree celcius in machines.