Answer Posted / somnath@ sterlite

choke is used to provide a starting voltage of about1000v ,
required for the ionization of gas inside the tube.

what is current check gurd relay?

2051

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block diagram of 2 ups system connected in parallel mode?

1638

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RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

1630

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if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

2135

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when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com

1865

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What is the tube exial fan?

1709

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hi....I am from india..i have completed my engineering in electrical and electronics field with 58.4% and my IELTS score is 5.5 bands....Recently i received my I-20 in computer and information science from Troy university in Alabama.On 18th i have a visa interview can u please tell me what type of questions i have to answer ??????

1420

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How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

2360

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Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.

1346

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How to measure current and voltage in an ELV circuit

3632

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what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?

2849

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CPC cable .PVC \1C....I want to get sure that type is flexible indoor or to be install on trench. please advice .thanx :)

1430

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What is the difference between isolators and electrical circuit breakers? What is bus-bar?

689

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What is safety of Ht panel

1188

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While testing a ZCT what parameters have to check or measure?

1905

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