Answer / ravi

By Smoke Simulation Method.......

Answer / joy

simplest way is apply a certain volume of smoke in a room
where the detector is placed that would be enough to trigger
the SD to send an alarm signal to its control panel that is
if this is not just the battery operated one.

Answer / kannara

You can use magnet for test smoke detectors.hold a magnet near to the detector,the detector will activate with in seconds and give fire signal to main panel

Answer / arun kumar .k

In smoke detector uisng the Bymetalic strips
It is like nc/no contact when temprature increase it will
trigger the hooter circuit

What is the difference between CRNO and CRGO in an transformer and what is the advantages of these two.

13 Answers   Anchor, CIL, ETA, Kirloskar,

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Can we generate 3 phase power from single phase connections?? If yes, how?

2 Answers  

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How PSV sizing being done

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why the generating voltage in India is 11kV or why is it be transmitted as multiples of 11

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WAHAT IS ELECTRICITY

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what is the use of CAPACITOR in CFL lamp?

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what are the basic insulation levels & what its Unit

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can we use heat gun instead of gas torch in 11kv termination kit. I mean can both sources provide enough amount of heat to ensure the uniform shrinkage of sleeve.

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Why do we mix soda with water in LRS?

1 Answers  

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difference b/w eath and neutral

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