Answer / rajesh methil

Choke is connected in series with the tube filament.It provides a voltage impulse for starting time,and acts like ballast while running.

mccb service sittings be done?

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what is relation of rpm with Power supply? rpm directly Proposational to power ?

2 Answers  

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in three phase 11kv transformer (11kv/433v) input( R,Y,B) output (X,Y,Z,N) the connection as follows 1 phase R -open 2phase y connected to both R and y of input] 3phase B- B what is the output voltage X to N ,Y to N , Z to N

2 Answers   Bescom,

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I want to merge a cable..in between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?

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Hello, im taking an introduction to PLC..and i'm having a hard time on creating a program for 2 lamps blinking alternately with this button characteristics: 1.) One push button (starts upon pressing) 2.) Same push button (when pressed again, will pause the system) 3.) Same push button (when pressed again, will continue the paused system) 4.) Same push button (when pressed within 2 seconds, will shut off the system) Pls..i know this is just a simple problem for you guys..

2 Answers  

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How does frequency affect KVA rating of a transformer? If a 500 kva, 400 v, 60 hz t/f is to be operated on 50 hz frequency then how will its KVA rating change? a-increase b-decrease c-remains same Also explain why do u think like that.

8 Answers  

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What should be the length of transmission line so that we can see/obtain the full sine wave of voltage??

0 Answers   Siemens,

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why lightining is not available in swith yards?

1 Answers  

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State the points to be considered for selecting a particular type wiring.

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which motor used in electric train ans how much volt.

4 Answers   Trimax,

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1hp= how much rpm

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what is LT & HT?

6 Answers  

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