Answer / vishnu ps

One way gang switch is used to control single/multi
light/load(or combined) points with one switch,eg switch
for toilets(when the switch is "on" Ex.fan as well as light
will work),two way one gang is to control single/multi
load/light points with two switches,eg-staircase/balcony
lights

1 hp single phase motor is more likely to get hot thsn inone hp 3 phase motor its true or false? If true why?

1 Answers   TVS,

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How to calculate the breaker's short circuit current?

1 Answers  

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How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

0 Answers  

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Transformer rating=> 15/20 MVA.Why there are two raings? What should be the rating of the fuse at the secondary if the voltage level is 13.8KV/4.16KV?

1 Answers   Bhel,

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Why transformer neutral earthing? What is advantages?

6 Answers  

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We have laid the single core Armoured cable 7 nos ( 2 each phase & 1 neutral ) to cater our electrical load . the issue is though we have Glanded the cable both the end also givan the earthing to the panel both the end we are facing a heavy sparking at the gland side. what could be the reason.

12 Answers  

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WHAT IS START TO >5HP INDUCTION MOTER IN STAR DELTA METHOD?

2 Answers  

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers   Schneider,

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what are the different types and applications of compressors?

1 Answers  

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how to set earth fault relay

1 Answers  

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what is the formulae for selcting capacitor bank to increas pf

3 Answers  

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what is the difference between current rating and breaking current of an MCCB? and for a known load how to calculate the current rating of a MCCB?

1 Answers   HPL,

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