What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

0 Answers  

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what happen if we supply ac to the field of a alternator?

5 Answers  

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what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors

0 Answers   Lanco,

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WHAT IS THE DIFFERENCE BETWEEN A DC MACHINE OUTPUT AND RECTIFIER OUTPUT...

3 Answers   Cesco, NTPC, RRB,

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what isthe emf eqation of a transformer

7 Answers  

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All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?

0 Answers  

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3 ph motor connected in star delta starter. when we start the motor it run in star but when in is going in delta it trips the main incoming supply. why?

3 Answers   Bajaj Hindusthan,

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Why (In India) we preferably go for +-30 deg connection of transformer? what are the advantages in this connection?

2 Answers  

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What are the various types of LT panels? Name them.

3 Answers   Tyco,

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how the fan is switched off immediately switching off the switch?

2 Answers  

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Which ciass CT can be use in diff. protection. Can be use 5p20?

5 Answers  

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What happen if 200KVAR capacitor continuesly connected to load and all the plant machinaries are not in working?

4 Answers  

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