Heat Transfer Dropwise condensation occurs on __________ surfaces contaminated cooling polished smooth clean clean and dirt free contaminated cooling polished smooth clean clean and dirt free ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid for fluids in laminar flow when Grashhoff number is very important for fluids in tubulent flow none of the listed here for fluids in laminar flow when Grashhoff number is very important for fluids in tubulent flow none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Indirect contact heat exchangers are preferred over direct contact heat exchangers, because There is no risk of contamination There is no mist formation Heat transfer co-efficient are high Cost of equipment is lower There is no risk of contamination There is no mist formation Heat transfer co-efficient are high Cost of equipment is lower ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The left face of a one dimensional slab of thickness 0.2 m is maintained at 80°C and the right face is exposed to air at 30°C. The thermal conductivity of the slab is 1.2 W/m.K and the heat transfer co-efficient from the right face is 10 W/m².K. At steady state, the temperature of the right face in °C is 63.8 48.7 71.2 77.2 63.8 48.7 71.2 77.2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C. None of these 1.49 1 4.88 None of these 1.49 1 4.88 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of an ideal solution Both B and C In independent of pressure Decreases rapidly with temperature rise Increases rapidly with temperature rise Both B and C In independent of pressure Decreases rapidly with temperature rise Increases rapidly with temperature rise ANSWER DOWNLOAD EXAMIANS APP
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