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

why vector group is ued

2 Answers  

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BSNL TTA EXAM QUESTION

0 Answers   BSNL,

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why trip circuit supervision is taking through breaker contact? what happen if takendirectly?

2 Answers   GE,

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what is consequences of neutral and earth connect?

0 Answers  

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What is the diffrence in between Class PS & Class 5P10 for CTs

7 Answers  

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For 7.5HP motor 2880rpm 415VAC Connected with Pressurisation Fan we used Star Delta Startor why not we use DOL startor

2 Answers   DLF,

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Why is it that variation allowed in supply voltage to motors is (+ or -)10 %, whereas that in frequency is (+ or - )5 %

3 Answers  

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Dear sir, I am working in wind mill division , pls explain Pls explain in details with formula My question is Wind speed 3.5 M/s Gen RPM is 1500 ( 25 K/w Production ) Wind speed 12 M/s Gen RPM is 1500 ( 220 K/w Production ) Why in 3.5 m/s generation was low , why in 12 m/s generation was high , Pls dont explain wind force or wind density , that one already i know For the above question RPM was same why the KW was different Answer : 1. Its depends on the density ( Force ) of the air Sir , Pls explain wit Formula sir

1 Answers   Vestas,

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We are getting supply at33kvand it stepdown to 11kv.So Our requirement is 11kv voltage.why we draw 33kv from the grid instead of 11kv?

2 Answers   Birla,

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explain Xmer

2 Answers  

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Why primary batteries not rechargeable and secondary batteries are rechargeble??? If any one know please send me.

1 Answers  

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1.WHAT ARE TRANSMISSION LINE LOSSES DURING WINTER AND SUMMER SEASON? 2.WHAT ARE THE CAUSES/ 3.WHEN THE CORONA IS MORE?.,WHETHER WINTER OR SUMMER? 4. WHAT IS THE PERCENTAGE OF LOSSES IN TRANSMISSION LINE?

1 Answers   Coastal Energen,

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