Answer / sumit

Screw air compressor consist Blade on shaft. Which compress the air into each other by rotating the shaft. But centrifugal air compressor consist only blade which work on centrifugal force which compress the air outside the circle

What does thermal diffusivity of metals signify.

0 Answers  

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wat's differ b/w air cooled and water cooled chillers..?

4 Answers   Oracle,

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what do u understand by the term "Rotor Long" and "Rotor short"?

3 Answers  

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what is the formula and technique for duct designing?

1 Answers  

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What does SAE-40 represents? and what is a multi-grade oil?

1 Answers  

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Pink city of india

4 Answers   VFJ,

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Can I use motor oil in a hydraulic system?

0 Answers  

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how to calculate cg of transformer

0 Answers  

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Hello Friends I had my ONGC test today,but it was very bad.But I would give certain suggestions so that u may not face he problem which i had. Be thorough with Electrical Technology.Generators.motors stators etc.There are 5 questions on that. There were also good no.of questions from Hydraulic machine and Production technology. Then 3 from Strength of materials.And remember the dimensional quantities.

0 Answers   ONGC, TATA,

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What is meaning of bearing nos.?

4 Answers   Grasim, IOCL, L&T, Sharp Ferro Alloys,

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what is the purpose of using 3-point starter in dc machines?

2 Answers   Polycab,

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what is latent heat?

5 Answers  

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