Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l010 3 x l012 3 x l08 3 x l05 3 x l010 3 x l012 3 x l08 3 x l05 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law applies to the heat transfer by conduction radiation convection None of the listed here conduction radiation convection None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid. Equal to More than Less than Either more or less than (depending upon the fluid) Equal to More than Less than Either more or less than (depending upon the fluid) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? Triangular pitch None of these Diagonal square pitch Square pitch Triangular pitch None of these Diagonal square pitch Square pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Hot water (0.01 m³ /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m³/min) of density 800 kg/m³ and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately 32 45 50 37 32 45 50 37 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation occurs on __________ surfaces clean and dirt free contaminated cooling smooth clean polished clean and dirt free contaminated cooling smooth clean polished ANSWER DOWNLOAD EXAMIANS APP
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