Heat Transfer Which of the following has the highest thermal conductivity ? Black Water Silver Air Black Water Silver Air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Direct contact Co-current Cross-current Counter-current Direct contact Co-current Cross-current Counter-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is More Same Less More or less; depends on the nature of solution More Same Less More or less; depends on the nature of solution ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nucleate boiling is promoted On polished surfaces None of these On rough surfaces In the absence of agitation On polished surfaces None of these On rough surfaces In the absence of agitation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer While the total emissivity of a perfect black body is unity, the same for a real body is >1 0 1 between 0 and 1 >1 0 1 between 0 and 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Higher economy Lower economy Lower capacity Both A & B Higher economy Lower economy Lower capacity Both A & B ANSWER DOWNLOAD EXAMIANS APP