In HVAC R22 gas are using for cooling but why oil are using & which type of it is???????/

2 Answers  

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which type of impellor has highest speed backward, forward, straight?

2 Answers  

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Why do you need a biological shield in nuclear plants?

0 Answers  

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If you are scientist to b e and you wish to develop a self-generating power appliances, what would b e the ranking of importance to apply your concept of creating energy using alternator: 1. Washing Machine 2. Motor Water Pump 3. Electric Fan 4. Electric Stove 5. Flat Iron – Which one will b e your foremost and the least at the rank of 1 to 5? Why is that so? Defend your answer.

0 Answers  

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What is the PLC in (in generator maintenance side) how to it's works and what is use of that

1 Answers   Oil India, Siemens, Standard Chartered,

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Ratio of specific heats of air.

2 Answers   Bhel,

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dear sir pls send me rrb jr.engineer previous question papper to this email id:snap272@gmail.com

0 Answers  

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Q. what @the interview exact Q&A is it correct

0 Answers  

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sir please send previous question papers of technician grade III of all rrb's. thank you

0 Answers   NCC,

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What is the use of center punch?

0 Answers  

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What do you treat in high alkalinity of boiler water?

0 Answers   ABC Inc, RRB, Siemens,

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What type of pump is commonly used is feed water system in auxiliary boiler?

0 Answers   ABC Inc, RRB, Siemens,

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