Heat Transfer The film thickness for laminar film condensation on vertical surface __________ from top to bottom. Cummulatively increases Cummulatively decreases Remains constant And the surface conductance increase Cummulatively increases Cummulatively decreases Remains constant And the surface conductance increase ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Calburn analogy is applicable for the value of Prandtl number from 0.6 to 120 0.001 to 1 120 to 400 0.5 to 5 0.6 to 120 0.001 to 1 120 to 400 0.5 to 5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface. Nucleate Pool Saturated Local Nucleate Pool Saturated Local ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing bleed points in the evaporator is to Create vacuum Remove the product Facilitate removal of non-condensable gases Admit the feed Create vacuum Remove the product Facilitate removal of non-condensable gases Admit the feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day, when it is concentrating from 10% to 25% solids. The water evaporated in kg per day is 48000 6000 60000 24000 48000 6000 60000 24000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is Finned tube heat exchanger with air outside and steam inside Shell and tube heat exchanger with air on shell side and steam inside tubes Finned tube heat exchanger with air inside and steam outside Shell and tube heat exchanger with air inside tubes and steam on shell side Finned tube heat exchanger with air outside and steam inside Shell and tube heat exchanger with air on shell side and steam inside tubes Finned tube heat exchanger with air inside and steam outside Shell and tube heat exchanger with air inside tubes and steam on shell side ANSWER DOWNLOAD EXAMIANS APP