Heat Transfer With increase in temperature, the total emissivity of conductors Remains same Decreases linearly Decreases Increases Remains same Decreases linearly Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it All of these Is more economical Is easy to operate and maintain Occupies smaller space All of these Is more economical Is easy to operate and maintain Occupies smaller space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Evaporator tubes are generally Vertical Inclined Random Horizontal Vertical Inclined Random Horizontal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashoff number, which is defined as g . β(Ts - T∞) ρ². L³/μ², is proportional to the ratio of buoyancy force to __________ force. Inertial None of these Viscous Elastic Inertial None of these Viscous Elastic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film boiling is usually not desired in commercial equipments, because none of the listed here it is not economic the heat transfer rate is low in view of the large temperature drop. @ it is difficult to maintain none of the listed here it is not economic the heat transfer rate is low in view of the large temperature drop. @ it is difficult to maintain ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient continues to increase continues to decrease goes through a minimum goes through a maximum. continues to increase continues to decrease goes through a minimum goes through a maximum. ANSWER DOWNLOAD EXAMIANS APP