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Answer Posted / antov bala
a flow meter is used to measure the flow of liquid r gas per
second are minute are hour
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I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR
What is the difference b/w fanuc alpha series 16i and 18i controller. what is stand for i
My question is whether bellow formula is correct to find bus size for 46kA for 0.5 second & what is RT in bellow formula. formula to calculate the size of busbar to withstand the thermal stresses due to currents with duration of 0.2 sec to 5 sec. Sp = RT( I x I x t) / K Where Sp – is the cross sectional area of bus bar in millimeters. I - is the value of AC fault current. t - is the operating time of disconnecting device in seconds. K – is the factor depending on the material of the conductor, insulation and initial and final temperature. Value of ‘k’ for copper is 143.
What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.
what is meant by impulse voltage?
how to control the speed to switched reluctance motor
sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.
In ht capacitor ckt we are using LBS Panel it having isolator with fuse, one of HT fuse flash over, so what is reason behind this event.
What is purpose of reactor?.What is different between line and bus reactor?
hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...
How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.
what is transient stability analysis means?
how test transfomer(3 phase75kva) by megger
why power not passes in plastic and rubber material
Single line diagram for dbb (double bus bar)system.
