Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Is more economical Is easy to operate and maintain All of these Occupies smaller space Is more economical Is easy to operate and maintain All of these Occupies smaller space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchanger tubes are never made of Copper Lead Stainless steel Plain carbon steel Copper Lead Stainless steel Plain carbon steel ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to Increase pressure None of these Remove condensate Increase temperature Increase pressure None of these Remove condensate Increase temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the equation Q = UAΔt; Δt is Logarithmic mean temperature difference The difference of average bulk temperatures of hot and cold fluids Geometric mean temperature difference Arithmetic mean temperature difference Logarithmic mean temperature difference The difference of average bulk temperatures of hot and cold fluids Geometric mean temperature difference Arithmetic mean temperature difference ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Increases rapidly with temperature rise Is almost independent of temperature Both B and C Is almost independent of pressure Increases rapidly with temperature rise Is almost independent of temperature Both B and C Is almost independent of pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Absorptivity and refletivity of a perfect black body are respectively 0 and 1 1 and ? 0 and 0.5 1 and 0 0 and 1 1 and ? 0 and 0.5 1 and 0 ANSWER DOWNLOAD EXAMIANS APP
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