why we usually call 415 volts instead of 440 volts

3 Answers   S Tech,

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what is auto transformer

3 Answers   IBM,

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why do fans generally rotate in anti clock wise direction??

2 Answers   BMS, FIS, IBM,

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Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

0 Answers  

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Distinguish between Earth & Neutral?

5 Answers   Essar,

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define excitaton voltage and excitation current?

2 Answers   Allied Group,

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why transformer neutral and CT Secondary neutral is connected to earth?

3 Answers   NCC,

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what composit error,ratio error,phase error in CT and PT??

4 Answers  

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Dir sir we have 750 kva Caterpillar dg set we are fas on different problem we start dg set ofter 1 mint apply load around 500a dg was run one or 3 mint after 3 mints dg was shutdown automatic how to face tis problem

3 Answers  

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What is Diff btw Fire Alarm & VESDA System???

0 Answers   EFY, Emerson,

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we know that dc motors are more superior then three phase induction motors in torque generation though they are not much used in industries why?

5 Answers   Essar, L&T,

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what is reactive poower

3 Answers  

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