Answer / michael

depending upon the amps taken by the load, we should take
cable size. and the selection of cable size may vary for
copper and aluminum

Answer / pillay

1st you must know your load like
1)max load 2)distance of your load . than you must decide
how the cable is to be laid weather it is going to be
1)buried under ground 2)INSIDE TRUNKING 3)cable ladder or
any other means.than you must decide what is the type of
cable you want to use like copper or al than do you want to
add any factor for future demand.Finally with the help of
the cable manufacturers tables considering the voltage
ratings and the other factors the cable size is chosen.
mm2 and sq mm is the same.

The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.

0 Answers  

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what is acceptance test in electrical engineering.

0 Answers   ABB,

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i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?

0 Answers   MTDC,

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what is kVA

6 Answers   TATA, Tata Motors,

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Why Ferranti effect is occoured in leading power factor load in a overhead transmission line?

1 Answers  

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why do we connect droop ct{in gensets}in y_phase only

2 Answers  

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if we convert ampers into kw,which one formula use by us,pls tell me?

11 Answers   ABB,

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-----------means a source which can supply a constant voltage to aload irrespective of the valu of load resistance.

2 Answers  

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What is the function of isolater

4 Answers   Getco, Gland Pharma,

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im electrical engineer, could any one help me for FEWA exam questions please ?

0 Answers  

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why dc motor is called constant flux motor?

1 Answers  

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what is the difference between synchronous & asynchronous generators

1 Answers   Emco,

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