How we can test the Smoke Detectors????
Answers were Sorted based on User's Feedback
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.
| Is This Answer Correct ? | 3 Yes | 0 No |
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
| Is This Answer Correct ? | 2 Yes | 1 No |
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
| Is This Answer Correct ? | 0 Yes | 1 No |
If there is volagte between earth and neutral, what should be the reason ? and solution * What should be allowable limit in case, if the voltage between earth and neutral exist ? / OR what is limit for safe voltage between earth and neutral?
What is Icu and Ics and what is difference b/w them. please tell me how to calculate a size of a copper bar for a system or a breaker... reply on... king.arish@gmail.com would be waiting for a logical answer.
HOW TO REDUCE POWER PLANT AUXILIARY POWER CONSUMPTION?
What is the measuring instrument of magnetic flux density?
What is pd controller?
CAN ANY ONE EXPLAIN THE KNEE VOLTAGE OF THE CT?
how a circuit breakers work at fault condition .plz give a specified answer.
Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?
sir, i want to know the calculation for find rated current for cable sizes.(both copper & aluminium) with examole. please sir for example: 35sq.mm al.cable is withstands for how many amps? is suitable for 45kw motor?
difference between generator and alternator
What is an alternator impedance value?
How to calculate no of EARTH PIT? Describe the formula as per IS standard?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)