Answer Posted / shriram.....

Smoke Detector it is one device it is used for fire alarm
purpose.
These are connected to fire panel in loop & they have
individual addrace for identification at where fire is
occurred

Its Main function is that to give the signal at fire panel
when fire occurs

Shriram………

is it value of power factor is more than unit. whats effects in the source supply

2037

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electrical ques

2081

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What are the effects of electrical faults?

979

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What is bridge rectifier and explain with details

1869

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What does bode plots shows?

1095

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I have motor 1500 HP and , 4160 V , 60 HZ , then i need the rating of transformer which can feed that motor ??

1891

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how to calculate the formula of cable size if motor kw is given

2181

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Explain what are inter-poles and why they are required in a dc machine.

1039

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3phase motor can be used as a Prime mover for alternator.

1541

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IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?

1837

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how is working bearing heater?

1936

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How much of the total hydro power potential has been exploited so far in india?

1052

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What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

1998

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FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?

3348

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If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")

1902

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