what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

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How does a television work?

0 Answers   Siemens,

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What is the difference between bushing and insulators.? what is the creepage distance?

4 Answers  

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what kind of technical test that i need to learn because i have an interview tomorrow.. please someone help me..

0 Answers   Sony,

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Classify the different types of load.

6 Answers  

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What is the most essential condition for the voltage build up for a d.c. Shunt generator?

0 Answers  

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i have three phase 25kva transformer but there is two phase line how can i connect to the two phase line?

2 Answers  

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How to Select transformer for 100HP motor plz... With calculation

2 Answers   Rasandik,

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how to check ac servo motor

0 Answers  

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by what factor the starting current is used when comparing star and delta connection for motor starting?

0 Answers  

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1.What is wind span ,wight span and normal span, and what is the difference for 132kv transmission .

1 Answers   PKR,

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If not maintained 3 phase clearance,what happened ?

2 Answers  

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