Answer / subash

in fire system it is interlocked to switch off the Air
handling Unit so that the fire will not spread more fire
will spread easily with air .

Answer / suresh

By interlocking the AHU air circulation will stopped so fire cannot spread

Answer / vaibhav

at the time of fire this air handling plant helps in
removing fire

what is the difference between Current transformer & Capacitive voltage transformer

2 Answers   ABB,

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Safety devices in SF6 Circuit Breaker?

1 Answers   DELL,

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work of choke in florocent tube circuit ?

0 Answers   Bhel,

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1.What is the difference between isolators and circuitbreakers? 2.What is bus-bar?

1 Answers  

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i want to ask that as everybody knows that in star connection on star point is called neutral. my question is that why on that poin called neutral. what is the reason behind it. what is the logic behind it. i heared somewhere that on this point all phases current become zero thats why. if this answer is right then prove why on that point is current become zero. if this answer is not right then tell me the right answer. post ur answer here or on my mail address. m.ikram786@yahoo.com m.ikram555@gmail.com. thanks.

1 Answers  

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what is the difference between KW and KWh?

9 Answers  

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what is the spdt

1 Answers  

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What is triac?

3 Answers   NTPC,

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what is suitable alternative for an igbt?

4 Answers  

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why lightning arrestor are made by 2 stack of insulator but why cvt are fully 1 stack of insulator.

1 Answers  

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If the capacitor bank is installed in switchyard say 132/22kv then on LT side say 22kv/0.433kv is it necessary to install capacitor bank for maintaining power factor. if pf is maintained on HT side then will that be maintained on LT side as well.if not then how&why??????/ please explain...........

3 Answers   MacLellan,

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What is the Operating Powerfactor of UPS??? Why??

3 Answers  

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