Answer / raghavendran.r

Mech Efficiency = [Volume in(m3/Sec) * Average Differential
Pressure]/[102*power input to fan shaft in KW]

why dont we connect the two 12 V DC batteries in parallel, for an inverter (UPS)? is there any harm ?

3 Answers  

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state the working of discharge lamp?

0 Answers  

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we can stepdown the voltage from 230/12v ,and we use the voltage for various electronics components why can't we step up the voltage from 12/230v if we can shall we use the voltage for domestic single phase supply

5 Answers   Areva,

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what are all the preventive maintainance carried out in DG?

1 Answers   TATA,

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write encoder 17 pins details? pin a;b+, pin b;w+,..pin s & t. what is the meaning of b+, w+? explain;

0 Answers  

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If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?

0 Answers   Kirloskar,

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difference between generator and alternator

0 Answers   Havells,

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Why do we use copper cable for HT Supply and why not Aluminium?

0 Answers  

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Is it possible to measure the voltage of a battery from a single terminal?

0 Answers  

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When oil level in the oltc of power transformer reduces , oil surge relay will act or not

4 Answers  

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How to calculate the current rating of power cables ?

1 Answers  

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what is the advantage of connecting capacitors in delta than in star?

0 Answers  

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