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Engineering AllOther (1379) while buying 30 kva on line ups for 1 phase ouput, we ave to calculate the number of batteries for 2 hours back up? how to calculate the ah rating and number of batteries
1 3960we have a texmo make submersible water pump 5hp 10 stage what will be the total head & is it any thumb rule for calculating the head please reply urgently
3 13319we have a bore well 275 depth & water is deliver at distance of 1000 feet from the borewell here iam not include the distance of depth and the deliver water horizontally at our reserviour tank on ground level
2574What is Surge Capacitor? Why it is require in Generator Circuit Breaker,inspite of surge arrester?
3088in our all power plant have connected in grid and grid voltage and plant voltage is same, but as per as electrical concept the power will transmit from high potential to low potential but here altough same,then how power transmit from power plant to grid.
2298
which protection function should measure RMS value of current&DFT value of current?
What is habutae?
what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please
Why vestigial side band is used in tv signal transmission?
Mention some of the applications of controlled rectifier?
what the principle of sincroscope?how it works?when it needed?
en 19 & en24 which one is good for pipe mill shaft
explain me the relation between torque, frequency,speed,voltage and current in the 3 phase induction motor?
Explain resistivity?
why electronic instruments is more favorable than electrical?
how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?
how many types control panel of a 132/33 kv substation
how to calculate transformer conservator size
How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.
Why is chromium molybdenum steels used to build pressure vessels? What is special about the properties of chromium molybdenum steels that make them ideal forpressure vessels?