How can one estimate how the friction factor changes in heat exchanger tubes with a change in temperature?

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How can one quickly estimate the additional pressure drop to be introduced with more tube passes?

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Explain why is a vacuum breaker used on shell and tube heat exchangers that are utilizing steam as the heating utility?

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What is a quick way to calculate frictional pressure drops in carbon steel pipe?

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Explain some common piping materials used to transport slurries?

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Experiment constitutes 1000 ml of 10 ppm dye solution and 0.2 g catalyst mixed in beaker. How to calculate the initial of concentration?

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At what temperature is glass fused to steel in the making of glass-lined equipment?

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What is a barometric condenser?

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an anybody provide me the HPCL apptitude papers?am having the test on this feb 27th 2008 so plz [Send This Question to Your Friend] please send me hpcl placement papers both technical and apptitude.. please

3 Answers   HPCL, NTPC,

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What is the most common carrier gas used in pneumatic conveying?

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What are some common problems associated with dilute phase pneumatic conveying?

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Explain the significance of the angle of repose holds in the chemical industry?

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