WORKING PRINCIPLE OF HALOGEN LAMP & MEQUERY LAMP

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1 ton aircondition(AC)consume how much watt?

6 Answers   Indus Towers,

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Why tripping not occur when the transmission lines (11KV & above) breaks? Doesn't we provide earthfault protection for it?

1 Answers  

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in alternator why on load terminal voltage is less than no load teprminal voltage

1 Answers  

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in single phase we get 220 volt and in three phase 4420 v why this second Ques= in case three phase star conection our neutrul becom disconect what happan 3 Q=== a three phase house load and have unbalce load on different pahse diffrent current eg phase a 7A b 8A c 5A and voltage is 440 than how calculate it total load in kw pl give formula thanks

8 Answers  

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what is the main difference b/w contactor and relay

2 Answers   Pace Pharmaceuticals,

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what is JE exam?

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Is there any decided or standard frequency to check the meager testing of transformer, DG set, LT Panel in the industries in a year. I means how many times we should be check the same.

2 Answers  

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what is derating factor in Cable ? how we minimise this?

18 Answers   Bhel, College School Exams Tests,

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what is positive,negative and zero sequence in power system?

4 Answers  

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How to calculate earth fault current for 6.6 KV , 50 HZ , 756 Amps , 3000 RPM , 0.8 PF generator

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In the UVR(Under Voltage Relay) there is a knob for the hysteresis setting. what is this setting? its threshold is given from 5% to 50%. please help me....

2 Answers  

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