Heat Transfer The film thickness for laminar film condensation on vertical surface __________ from top to bottom. And the surface conductance increase Remains constant Cummulatively increases Cummulatively decreases And the surface conductance increase Remains constant Cummulatively increases Cummulatively decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the most suitable for the concentration of foamy & frothy liquors? None of these Agitated film evaporator Long tube vertical evaporator Open pan evaporator None of these Agitated film evaporator Long tube vertical evaporator Open pan evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1000 Kg of liquid at 30°C in a well stirred vessel has to be heated to 120°C, using immersed coils carrying condensing steam at 150°C. The area of the steam coils is 1.2 m² and the overall heat transfer co-efficient to the liquid is 1500 W/m².°C. Assuming negligible heat loss to the surrounding and specific heat capacity of the liquid to be 4 kJ/kg.°C, the time taken for the liquid to reach desired temperature will be 51 min 22 min 15 min 44 min 51 min 22 min 15 min 44 min ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation. Greater than Half Is same as Lower than Greater than Half Is same as Lower than ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer co-efficient (h1) for liquids increases with Increasing temperature Decreasing Reynolds number Decreasing temperature None of these Increasing temperature Decreasing Reynolds number Decreasing temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Increases rapidly with temperature rise Both B and C Is almost independent of temperature Is almost independent of pressure Increases rapidly with temperature rise Both B and C Is almost independent of temperature Is almost independent of pressure ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS