Heat Transfer The ratio of velocity head to tube side return loss in case of a multipass shell and tube heat exchanger is 43834 4 2 43832 43834 4 2 43832 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred By direct contact of hot flue gas with air None of these By heating an intermediate material (like chequor bricks) and then heating the air from this hot material Through a metallic wall By direct contact of hot flue gas with air None of these By heating an intermediate material (like chequor bricks) and then heating the air from this hot material Through a metallic wall ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a perfectly transparent surface (like gases), the Transmissivity = 1 Reflectivity = 0 Absorptivity = 0 All of these Transmissivity = 1 Reflectivity = 0 Absorptivity = 0 All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation heat losses from satisfactorily insulated high pressure boilar may be about __________ percent. 1 26 18 7 1 26 18 7 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are useful for the concentration of viscous, salting and scale forming liquors. Which of the following is a forced circulation evaporator? Agitated film evaporator Calenderia vertical tube evaporator Long vertical evaporator Horizontal tube evaporator Agitated film evaporator Calenderia vertical tube evaporator Long vertical evaporator Horizontal tube evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For small temperature difference, the heat transfer rate as per Newton's law of cooling is proportional to (where, Δt = excess temperature) Δt √Δt Δt² Δt³ Δt √Δt Δt² Δt³ ANSWER DOWNLOAD EXAMIANS APP