Heat Transfer The sum of reflectivity and absorptivity for an opaque body is equal to 0.5 2 1 0.5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe ) 2K/h0 K/h0 hi/K 2hi/K 2K/h0 K/h0 hi/K 2hi/K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Gases Solids Both solids & liquids Liquids Gases Solids Both solids & liquids Liquids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 100-1000 0.5-50 5-50 0.38-0.78 100-1000 0.5-50 5-50 0.38-0.78 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam condensate is recovered by steam traps and recycled for use as boiler feed water, because of its low Dissolved soilds content All of these Hardness Suspended solids content Dissolved soilds content All of these Hardness Suspended solids content ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The number of kg vaporised per kg of steam fed to the evaporator is defined as Economy Rate of vaporisation Rate of evaporation Capacity Economy Rate of vaporisation Rate of evaporation Capacity ANSWER DOWNLOAD EXAMIANS APP
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