Answer / varun

analogue addressable systems use log tables whereas
intelligent addressable systems are smart and dont need log
tables

how induction motor starts?

4 Answers   JSL,

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what is meant by line voltage and phase voltage in a three phase transformer?

2 Answers  

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WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder in LV substation panel.It is supplying to a lighting & power socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8 times of Ir , tsd = 0.5 sec( I2 t off). Sometimes this MCCB is tripping .But no trip in DB MCB. Can anybody tell me reason ? From where i can know about the MCCB settings?

5 Answers  

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which gas is cost wise high?

1 Answers  

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name 3 measuring instrument used in transformers

4 Answers  

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Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,

0 Answers   APTransco,

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i need bhel question papers.

5 Answers   Bhel,

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i am getting to neutral earth voltage zero ,is this a perfect earthing ?

3 Answers  

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Why in India distribution transformer are connected in Dyn11 when we know capacity of v-v connection can be increased by adding only a single transformer?

1 Answers   CSPL,

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What is the exact formula for one weber of magnetic flux?

0 Answers   Bhel,

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How can calculate the efficency of the rectifier. input 240V AC, current 5 amps,P.F 0.98, Output is 54 V DC,62.6 A.

10 Answers  

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What is the Good Earth resistance value of G.I & Cu. Chemical Earthing & Normal Pipe Earthing?

0 Answers   ABC, Reliance Life Sciences, TCS,

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