Heat Transfer When vaporisation takes place directly at the heating surface, it is called all of the listed here vapour binding film boiling nucleate boiling all of the listed here vapour binding film boiling nucleate boiling ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the emissivity of a black body? 0.5 1 0.9 0.5 1 0.9 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At constant temperature, the thermal conductivities of gases __________ with rise in pressure. Increase Remain unchanged Decrease May increase or decrease; depends on the pressure Increase Remain unchanged Decrease May increase or decrease; depends on the pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam side heat transfer co-efficient in an evaporator is in the range of __________ kcal/hr.m²°C. 1000-1500 18537 100-500 5000-15000 1000-1500 18537 100-500 5000-15000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Water Molten sodium Dowtherm Air Water Molten sodium Dowtherm Air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A hot body will radiate heat most rapidly, if its surface is Black & rough White & rough Black & polished White & polished Black & rough White & rough Black & polished White & polished ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS