Answer / ramprasad

The Addressible Fire system works with the help of Smoke
Detectors, Heas Detectors, and manual call points. Whole
building devides in different zones as per drawings and
wiring from these equipments brought from them ot fire
addressing panel. When anywhere fire signal has been
detected by thes sensors then these equipments sent the
signals to fire addressing panel.

what should we do when the CT secodary gets open? how do we short circuit it? using tester or screw driver? not dangerous?

6 Answers  

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we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?

0 Answers  

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what is mind in cable

0 Answers   BARC,

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How to check the Bushings of the transformer?

0 Answers  

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will the introduction of capacitor bank parallel with the induction load reduce power consumption

4 Answers   Nokia, WAPDA Water and Power Development Authority,

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We are dealer in Maharashtra State & We have recd. form C from dealer of Maharashtra State against our E-1 form. Now assessing authority is asking for counterfoil of our E-1 form. But, our E-1 form counterfoil is misplaced somewhere & assessing authority is disallowing the C form which is recd. from Maharashtra State.Please let us know the option for allowing C form?

1 Answers  

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In 110V DC supply,if a closed circuit gets open, How can we identify the voltage which is measured after the resistor(4KOhm) which is open with negative.it shows 55V +ve when measured, also the actual positive source is 55V +ve .Because there is no voltage drop in open circuit. How can we identify whether this is the voltage which is series with the resistor or the DC source direct +ve.

1 Answers   GE,

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why tungsten is used in incandescent lamp instead of nichrome though nichrome has high melting point

2 Answers  

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WANTCONTACT NUMBER & EMAIL/ WEBSITE TO CONTACT THE SECRETARY,MADHYA PRADESH LICENSING BOARD(ELECTRICAL),K- BLOCK,3RD FLOOR,SATPOODA BHAWAN,BHOPAL

0 Answers  

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why two over current realy used in vcb.

2 Answers   BSES, Wipro,

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In a distribution system,having 3phases & 1 nuetral.ecah phase to neutral is 230V,line-line voltage is 440V,but what is the voltage of each line.but it should obey the KVL law.

2 Answers  

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What is the difference between earth resistance and earth electrode resistance?

1 Answers  

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