Heat Transfer In a shell and tube heat exchanger, floating head is used for High heat transfer co-efficient Low pressure drop Large temperature differentials Less corrosion of tubes High heat transfer co-efficient Low pressure drop Large temperature differentials Less corrosion of tubes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum thermal conductivity? Tar Steel Nitrogen Carbon black Tar Steel Nitrogen Carbon black ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to f/4 f 2f f/2 f/4 f 2f f/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for a spherical shell is (where, K = thermal conductivity of insulating material h0 = heat transfer coefficient at the outer surface) h0/K 2K/h0 h0/2K K/h0 h0/K 2K/h0 h0/2K K/h0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when Requirement of heat transfer area is low Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled A corrosive liquid is to be heated Requirement of heat transfer area is low Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled A corrosive liquid is to be heated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer While the total emissivity of a perfect black body is unity, the same for a real body is >1 0 between 0 and 1 1 >1 0 between 0 and 1 1 ANSWER DOWNLOAD EXAMIANS APP
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