Heat Transfer Absorptivity and refletivity of a perfect black body are respectively 1 and 0 0 and 0.5 0 and 1 1 and ? 1 and 0 0 and 0.5 0 and 1 1 and ? ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Liquid viscosity Liquid density Hot surface temperature Interfacial tension Liquid viscosity Liquid density Hot surface temperature Interfacial tension ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The wavelength at which the maximum monochromatic emissive power occurs for a black body, is (where, T = absolute temperature of the black body) α T⁴ α 1/T αT Independent of T α T⁴ α 1/T αT Independent of T ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer. the least the largest no lower the least the largest no lower ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single effect evaporator, the economy is None of these < 1 1 > 1 None of these < 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. Decreased Increased None of these No effect on Decreased Increased None of these No effect on ANSWER DOWNLOAD EXAMIANS APP
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