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

mounting of bucholz relay engle on transformer

4 Answers  

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Isi standard of lux level required / to be maitained in different working place general & in textaile industry.

1 Answers  

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why we use CVT (capacitive voltage transformer)in switch yard?

5 Answers  

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Whot is the difference between MCB and MCCB.Whot is the selection critearea for MCCB and MCB for 63 Amp.

5 Answers  

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to improve the existing power factor whether capacitors have to be added in series or parallel.and why

3 Answers  

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do we need NGR panel when the output of the genset is LV but after that it is step up to 22 kv. condition is 12 genset 400v are operating in parallel.

1 Answers  

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Consider a case that two 200 hp motors are connected to 500KVA transformer. For improving power factor can we add capacitors in common bus bars to motors. Or should we add capacitors for each individual motor?

2 Answers  

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what is hunting?

2 Answers  

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Capacitor bank require for 1000amp load

2 Answers   Biodeal, Pharmaceutical,

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Which standard we are following earthing resistance test

0 Answers  

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What are the causes of motor vibration?

3 Answers   Equate,

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explain transformer ct connection?

0 Answers  

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