Answer / shri..

In case of fire it should give alarm & it should indicate
where fire is occurred.

Shriram

Answer / nagarjuna

THERE IS A DEVICE WHICH SENDS RAYS FROM ONE TERMINAL TO
OTHER TERMINAL(LIKE CAPACITOR)
LIKE
-------/ /-------
BETWEEN THESE A RAY WIL TRAVEL ,IF FIRE
WILL OCCUR MEAN ,SMOKE WILL FORM ,THAT SMOKE WILL BARRIER
THE LIGHT ,SO LIGHT WILL NOT ENTER FROM ONE TERMINAL TO
OTHER .SO THAT THE SENSOR SENSES THAT AND BLOW ALARM.

Answer / bmw6633@gmail.com

when ever there is any case of fire sensor detects smoke
and give alarm so that only the hazards teem go in to do the
need full

Answer / bmw6633@gmail.com

when ever there is any case of fire sensor detects smoke
and give alarm so that only the hazards teem go in to do the
need full

Answer / shalini

Fire Alram System is an automated system for monitoring the
Fire / smoke incidents in a building. All the smoke
detectors, ineregen system , vesda system, etc will be
integrated to FA system and alram activation will pop up in
FA system during any abnormlities

what is disadvantages of high power factor

4 Answers  

Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

0 Answers  

IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

0 Answers  

Which material is used for the core of a transformer and why?

0 Answers  

Any one Give me formula for to increse the power factor, 0.8 to 0.95, How much the KVAr Required

9 Answers   Emerson, Rajshree Sugars, Siemens,

what take 100 w take current

1 Answers   SoftLogic,

which IS or IEC is used for earthing,breakdown voltage of transformer oil, hv/pd testing and all type of electrical testing

0 Answers  

at present how many 765 kv lines are there in india?

5 Answers   Emco,

sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

0 Answers   HPCL,

xplain in detail d pr. of synchronous motors? why syn. generators r used for the production of electricity?

4 Answers  

If our power factor is lagging then who is in profit? I mean consumer or Supplier!

1 Answers   Sail,

how can we select the appropriate VCB ?

0 Answers   Reliance,