Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it All of these Occupies smaller space Is easy to operate and maintain Is more economical All of these Occupies smaller space Is easy to operate and maintain Is more economical ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nucleate boiling is promoted On rough surfaces In the absence of agitation On polished surfaces None of these On rough surfaces In the absence of agitation On polished surfaces None of these 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? 43.75 35.5 48.25 81.25 43.75 35.5 48.25 81.25 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the unit of thermal conductivity ? Kcal/hr. m² °C Kcal/hr.m Kcal/hr.m.°C Kcal/hr. °C Kcal/hr. m² °C Kcal/hr.m Kcal/hr.m.°C Kcal/hr. °C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very high temperature low film co-efficient none of the listed here high pressure high temperature low film co-efficient none of the listed here high pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a parallel flow heat exchanger, if the outlet temperature of hot and cold fluids are the same, then the log mean temperature difference (LMTD) is Infinity Maximum Zero Minimum Infinity Maximum Zero Minimum ANSWER DOWNLOAD EXAMIANS APP
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