Q. If heat transfer rate varies with the time, it is termed as

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Q. Pick out the wrong statement.

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Q. Tube expansion allowances exist in __________ heat exchanger.

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Q. Pick out the wrong statement.

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Q. Agitated film evaporator is suitable for concentrating __________ liquids.

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Q. The thickness of condensate layer in filmwise condensation depends on the

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Q. If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law.

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Q. Choose the correct equation.

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Q. In a forward feed multiple effect evaporator unit

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Q. In case of heat flow by conduction for a cylindrical body with an internal heat source, the nature of temperature distribution is

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Q. For heat flow through very thick walled cylinder, use____mean radius.

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Q. Indirect contact heat exchangers are preferred over direct contact heat exchangers, because

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Q. In SI units, fouling factor is expressed in

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Q. An ejector is used to

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Q. Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the

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Q. All analogy equations connecting friction factor and heat transfer co-efficient apply only to

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Q. Electro-magnetic spectrum range, which is important for radiation varies from __________ microns.

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Q. Overall heat transfer co-efficient of a particular tube is U1. If the same tube with some dirt deposited on either side has coefficient U2, then

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Q. In SI units, thermal conductivity is expressed in

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Q. Boiling point of a solution according to Duhring's rule is a linear function of the __________ of water.

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