Heat Transfer Nucleate boiling is promoted None of these On rough surfaces On polished surfaces In the absence of agitation None of these On rough surfaces On polished surfaces In the absence of agitation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the unit of thermal conductivity ? Kcal/hr. °C Kcal/hr. m² °C Kcal/hr.m.°C Kcal/hr.m Kcal/hr. °C Kcal/hr. m² °C Kcal/hr.m.°C Kcal/hr.m ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Lower economy Both A & B Higher economy Lower capacity Lower economy Both A & B Higher economy Lower capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffle spacing Is not the same as baffle pitch Should be less than the inside diameter of the shell Should be less than one fifth the diameter of the shell None of these Is not the same as baffle pitch Should be less than the inside diameter of the shell Should be less than one fifth the diameter of the shell None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Isothermal Non-isothermal Both A and B Neither A and B Isothermal Non-isothermal Both A and B Neither A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Hot water (0.01 m³ /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m³/min) of density 800 kg/m³ and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately 37 45 50 32 37 45 50 32 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS