Answer / vikram singh

Freon 12 is used for refregeration and Freon 22 is being
used for the Airconditioning.

Answer / k.prakashchandra

Freon12 has been discontinued and replaced by Freon 134A

Answer / venkat.v

chiller @ freezers R22 gas used

difference between EMVT, PT & CVT ?

9 Answers  

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explain me how a power factor is improved by adding a capacitor?what capacitor do to improve it?in simple words and in detail?thx

7 Answers  

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why capacitor do not switch ON the DG power? (I had checked, capacitor ON in DG power that time current rating was reduced.)

1 Answers  

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what is the meaning of vcc

0 Answers  

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why mosquito bat makes noise when it hits with a insect?

2 Answers  

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what is threshold voltage for a relay???what does it exactly means ?whats its value in our indian transmission system say 11kv feeder RMU relay

3 Answers  

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where we use stardelta starter and dol starter

4 Answers   HCL,

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Please give me a solid reason there are 2 ELCB's If we take Phase from ELCB NO:1 an Netural from ELCB N:2 why ELCB is tripping when we connect the Load?please brief me with detail

3 Answers  

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How to detect voltage vector shifting in interconnection protection.

0 Answers  

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what is the formulae for calculating the cable size for a given voltage and current.

4 Answers   Bharat Forge,

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Between AC generator(alternator) and DC generator which can be designed for high voltage and why?

1 Answers  

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why it is mentioned as 8/10 mva transformer why not directly 8mva or 10mva transformer. please explain me the full detailed reason.

4 Answers   Qatar Gas,

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