What is hysteresis

0 Answers  

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one ball fall from a roof & after two hits of to floor it's reach up to half of the roof height. than what is the cofficient of restitution.

1 Answers   BARC,

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The amount of carbon present in Cast Iron

7 Answers   HAL,

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How cavitation can be eliminated by pump?

1 Answers  

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In volute casing the discharge area is more. so as per bernoulli's principle the pressure must be reduces also from the basics, pressure = Force/Area. so pressure and area are inversily proportional. By considering these two basic rules pressure must be reduces. But in any centrifugal pump, the pressure is increasing. How the velocity is converted into pressure. In my view only head is increases but how the pressure increases?

2 Answers  

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What is "the best answer" if any one don't know the answer of any question asked y interviewer?

5 Answers  

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What are the raw material needed for steel production?

1 Answers  

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kind of bearing

2 Answers  

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tell about Automobile engineering

2 Answers  

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What is fuel oil viscosity, specific gravity?

2 Answers  

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What is the units of surface tension and also dimensional formula?

8 Answers   RRB,

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sir please provide with the technical papers of mechanical stream at earliest for hpcl exam..or refer any link to get the same??????

1 Answers   HPCL, NTPC,

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