Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = k/2h r = 2k/h r = h/k r = k/h r = k/2h r = 2k/h r = h/k r = k/h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchanger tubes are never made of Lead Stainless steel Copper Plain carbon steel Lead Stainless steel Copper Plain carbon steel ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are Re.Gz Nu, Pr Nu, Pr, Re Nu, Gz Re.Gz Nu, Pr Nu, Pr, Re Nu, Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted None of these When both the steam and the tube are clean An oily surface Only in presence of air None of these When both the steam and the tube are clean An oily surface Only in presence of air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the Tube layout Tube diameter Tube pitch No. of baffles Tube layout Tube diameter Tube pitch No. of baffles ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the emissivity of a black body? 1 0.9 0.5 1 0.9 0.5 ANSWER DOWNLOAD EXAMIANS APP
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