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For the following questions answer them individually
Generation of heating at one junction and cooling at other by passing direct current through a pair of dissimilar materials is
Power consumption of centrifugal fans varies with speed (N) and diameter (D) as
Sol-air temperature for a wall of absorptivity 0.9, exposed to ambient temperature of $$35^\circ C$$, solar radiation of 260 W/sqm, outside heat transfer coefficient 23 W/sqm K is
The recovery factor in flow of gases is a function of
Adiabatic wall temperature is
A composite slab has two layers of different materials having thermal conductivities k and 2k. If each layer has the same thickness, the equivalent thermal conductivity of the slab is
Whena liquid flows through a tube with subcooled or saturated boiling the processis known as
For filmwise condensation, the heat transfer coefficient will be equal whether the tube is horizontal or vertical, when the ratio of length to diameter is
Insulated tip temperature of a rectangular longitudinalfin will be equal to
The characteristic length computing Grashof number in the case of a horizontal cylinder is
Day-wise Structured & Planned Preparation Guide
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