Q101
Open questionThe equivalent diameter for pressure drop is __________ that for heat transfer.
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Heat Transfer
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Q102
Open questionIn case of a multipass shell and tube heat exchanger, providing a baffle on the shell side __________ the heat transfer rate.
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Q103
Open questionRadiator of an automobile engine is a __________ type of heat exchanger.
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Q104
Open questionTrap is used to remove __________ from steam pipe lines.
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Q105
Open questionA graph between __________ is called Wilson plot.
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Q106
Open questionAt constant temperature, the thermal conductivities of gases __________ with rise in pressure.
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Q107
Open questionPick out the wrong statement.
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Q108
Open questionThe separation of liquid droplets from the vapor is done by a/an __________ , in the evaporators.
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Q109
Open questionThe ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law.
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Q110
Open questionHeat flux, as defined in heat flow is analogous to __________ in electricity flow.
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Q111
Open questionThe film thickness for laminar film condensation on vertical surface __________ from top to bottom.
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Q112
Open questionThe overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances.
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Q113
Open questionFor condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then
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Q114
Open questionA metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m2.K. The Biot number is
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Q115
Open questionA 2-4 heat exchanger involves
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Q116
Open questionA BTU/hr.ft2.°F is equal to
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Q117
Open questionA dephlegmator is a
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Q118
Open questionNusselt number for full developed, laminar, constant property flow in a pipe at uniform heat flux is
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Q119
Open questionValue of Nusselt number for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is
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Q120
Open questionWhat is the absorptivity of a black body?
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