how we calculate the dick for a pole?

0 Answers   Power Grid,

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differnce between single acting and double acting solenoid valves

0 Answers  

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How to check the specific gravity of the two 12 V batteries connected in series to a 24 V UPS and inverter ? will we have to disconnect all the connections and turn off the UPS and inverter or not ? will we have to check specific gravities in each cell of the two batteries ? what is the name of the instrument that is used to check the specific gravity and whats the procedure to check the specific gravity with it ? thanks

2 Answers  

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what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?

0 Answers   Apotex, Periyar Chemicals,

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What is the difference between Analogue Addressable Systems and intelligent Addressable Systems

1 Answers  

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.if the vector group of two transformers is not same n tey r connected in parallel operation then what will happen?

2 Answers   ABB,

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What is the function of electron gun assembly used in crt?

0 Answers  

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what will happen if field winding supply of synch generator accidently got disconnected?

4 Answers  

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what is entropy?

3 Answers   NTPC,

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Which type of moter is used in trains, what is the ratting of supply used explain Working principal?

2 Answers  

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How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?

0 Answers  

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what do you mean by PF correction. A motor is rated at 15 kw,415 volts, 0.7 pf and eff of 0.92. The powerfactor is improved to 0.98 by adding capacitors at the bus. calculate the current drawn by motor under full load condition before and after pf correction

5 Answers  

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