What are the assumptions made on conservation equation?

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How does hollow shaft impeller works? Does it based on principle of pitot tube?

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How can metals be removed from aqueous waste streams?

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Explain how can you keep our seawater used for heat rejection clean before entering our heat exchangers?

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A 1.5 weight % aqueous salt solution is concentrated to 4 weight % in a single-effect evaporator. The feed rate to the evaporator is F = 7500 kg / h and the feed is at 85 degree Celsius. The evaporator operates at 1 bar. By assuming that only pure solvent of water exists in the form of vapor from the feed, calculate the flow rate of such vapor V.

1 Answers  

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Explain what are the problems that are associated with the expansion joints?

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how to calculate overall heat transfer coefficient in insulated pipeline? Please give a answer with formula

2 Answers   NPCIL,

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What is the pattern of interview questions and which field is of high importance viz., Mass Transfer, Heat Transfer, Petroleum Refining etc ?

2 Answers   Cairn, IOCL, Reliance,

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Why is respiration considered as an exothermic reaction? Explain?

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Explain what is the method involved in analyzing powders for composition?

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Are carbon steel storage tanks appropriate for NaOH solutions?

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What is the iodine value of spent carbon?How iodine value is used to determine the power of carbon to adsorb?

2 Answers  

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