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. Thrice Four times Once Twice Thrice Four times Once Twice ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? Convective heat transfer co-efficient All of these Tube side pressure drop and the heat transfer rate Effective tube surface area for convective heat transfer Convective heat transfer co-efficient All of these Tube side pressure drop and the heat transfer rate Effective tube surface area for convective heat transfer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the unit of thermal conductivity ? Kcal/hr. m² °C Kcal/hr.m.°C Kcal/hr.m Kcal/hr. °C Kcal/hr. m² °C Kcal/hr.m.°C Kcal/hr.m Kcal/hr. °C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Is almost independent of pressure Is almost independent of temperature Both B and C Increases rapidly with temperature rise Is almost independent of pressure Is almost independent of temperature Both B and C Increases rapidly with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas Increases Decreases Remains same May increase or decrease depending on the type of gas Increases Decreases Remains same May increase or decrease depending on the type of gas ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the emissivity of a black body? 0.5 0.9 1 0.5 0.9 1 ANSWER DOWNLOAD EXAMIANS APP
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