Heat Transfer Which of the following has the minimum thermal conductivity? Carbon black Steel Nitrogen Tar Carbon black Steel Nitrogen Tar ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface. Local Saturated Nucleate Pool Local Saturated Nucleate Pool 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 81.25 35.5 48.25 43.75 81.25 35.5 48.25 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 Rate of crystallisation does not depend upon the Turbulence within the solution None of these Extent of supersaturation Number and active surface area of the crystals Turbulence within the solution None of these Extent of supersaturation Number and active surface area of the crystals ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Dowtherm Molten sodium Water Air Dowtherm Molten sodium Water Air ANSWER DOWNLOAD EXAMIANS APP
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