WHATIS TIME CONSTANT? WHATIS ITS SIGNIFICANCE? ILLUSTRATE THROUGH EXAMLES.

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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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why we create vaccume in transformer tank before oil filteration?

3 Answers   CG CoreEL,

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How to increase the kvah ?

1 Answers   IGP,

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what is the difference between the electrical and electroncis

15 Answers   TCS,

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please suggest some good universities with low cost iam in totally full confusion so please help me my profile gre 283 and ielts 5.5

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How to Calculate the maximum Demand required for a connected load for a manufacturing Plant

6 Answers  

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what ever the ups kva it may 500 kva or 500 va always out put is AC 240 volts its right?

3 Answers  

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what is a kit kat fuse?

5 Answers   TCS,

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What is the difference between PT for metering and PT for protection ?

3 Answers   Dewan Cement,

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3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?

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what is the harmonics.

3 Answers   DLF,

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