Heat Transfer The unit of heat transfer co-efficient in SI unit is J/m°K W/m°K J/M2°K W/m2°K J/m°K W/m°K J/M2°K W/m2°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is 2.36 Dependent on NRe only 4.36 120.36 2.36 Dependent on NRe only 4.36 120.36 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Walls of a cubical oven are of thickness l, and they are made of material of thermal conductivity k. The temperature inside the oven is 100°C and the inside heat transfer co-efficient is 3k/l. If the wall temperature on the outside is held at 25°C, what is the inside wall temperature in degree centigrade? 48.25 81.25 43.75 35.5 48.25 81.25 43.75 35.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Agitated film evaporator is suitable for concentrating __________ liquids. Viscous Very thin Foaming Corrosive Viscous Very thin Foaming Corrosive ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a multipass shell and tube heat exchanger, the LMTD correction factor is always Between 1 & 2 1 > 1 < 1 Between 1 & 2 1 > 1 < 1 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 inside and steam outside Shell and tube heat exchanger with air on shell side and steam inside tubes Shell and tube heat exchanger with air inside tubes and steam on shell side Finned tube heat exchanger with air outside and steam inside Finned tube heat exchanger with air inside and steam outside Shell and tube heat exchanger with air on shell side and steam inside tubes Shell and tube heat exchanger with air inside tubes and steam on shell side Finned tube heat exchanger with air outside and steam inside ANSWER DOWNLOAD EXAMIANS APP