what are smoke detectors ?
Answer Posted / munish
smoke detector is used for detect the smoke.it is connected
to fire alarm panel with parallel a resistance.
in smoke & heat detactor connections + is connected in
series with other smoke detactors & - is connected in
parallel. and in last detector a resisitance is connected
B/W + out & negative.
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
If I have Energy Meter Ratio as 100:5 & Also I have CT Ratio as 50:5 then what will be my multiplying Factor(M.F.)
how open delta PT works & what is its construction?
what is the difference between gas group b and gas group c electrical equipment construction wise?
why they were using TRIAC instead relay in some controllers and what is the advantages.
Transformer cores are laminated in order to A simplify its construction B minimize eddy current loss C reduce cost D reduce hysterisis loss
what is laser diodes?
is there any phase difference occurs while primary and secondary side mutual induction occurs?
i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.
i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result
what is the difference between the characteristics of two different phase bushing of any transformer
Mention the difference between Analogue and Digital circuit?
What is the differance between 2 dc motors of armature voltage 660 v and 440 v?
Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha
What is the meaning of C1, C61, C91 cable
What happened ,If 3 phase clearance not maintained in 33KV Line,11KV LIne etc?