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Electronic welding machine separate earthing provided or not?

differentiate between remote backup relay and local backup relay?

1 Answers  

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Synchrounous motor is three phase motor,but its not self starting .why?

23 Answers   Delta Beverages, KI, L&T, NTC, TVS, Wipro,

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why we use crushed stone in switch yard?

3 Answers  

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Why capacitor bank is not neccessery to switch on,pls answ me with formula

2 Answers  

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how to calculate the phase diffrence beetween given two equetion  y= 15sin(wt+pi/3) and y=10sin(wt-pi/4)

1 Answers  

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what is basically a pulse transformer?

1 Answers  

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How cable from Kit-Kat to main switch, from starter to motor are designed?

0 Answers  

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A jet of fluid strikes a plate What was the force required to counter it?

0 Answers  

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can u give me a brief idea about power line carrier communication ??

0 Answers  

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How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?

0 Answers   Vodafone,

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use of automatic voltage regulator & input voltage of it?

1 Answers  

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What is meant by soft starter used in motors?

4 Answers  

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