Heat Transfer In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger. Four times Thrice Twice Once Four times Thrice Twice Once ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the unit of thermal conductivity ? Kcal/hr. m² °C Kcal/hr.m Kcal/hr. °C Kcal/hr.m.°C Kcal/hr. m² °C Kcal/hr.m Kcal/hr. °C Kcal/hr.m.°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a perfectly transparent surface (like gases), the Transmissivity = 1 Absorptivity = 0 All of these Reflectivity = 0 Transmissivity = 1 Absorptivity = 0 All of these Reflectivity = 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Indirect contact heat exchangers are preferred over direct contact heat exchangers, because There is no mist formation There is no risk of contamination Heat transfer co-efficient are high Cost of equipment is lower There is no mist formation There is no risk of contamination Heat transfer co-efficient are high Cost of equipment is lower ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = 2Gz0.5 Nu = Gz Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = 2Gz0.5 Nu = Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to Increase temperature Remove condensate Increase pressure None of these Increase temperature Remove condensate Increase pressure None of these ANSWER DOWNLOAD EXAMIANS APP
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