Heat Transfer Kg of liquid evaporated per hour in an evaporator is defined as its Capacity None of these Economy Steam load Capacity None of these Economy Steam load ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reason for operating an evaporator in multiple effect is to secure Both A and B Decreased steam consumption Increased steam economy Increased capacity Both A and B Decreased steam consumption Increased steam economy Increased capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Absorptivity and refletivity of a perfect black body are respectively 0 and 0.5 1 and 0 0 and 1 1 and ? 0 and 0.5 1 and 0 0 and 1 1 and ? ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A steel sphere of radius 0.1 m at 400°K is immersed in an oil at 300°K. If the centre of the sphere reaches 350°K in 20 minutes, how long will it take for a 0.05 m radius steel sphere to reach the same temperature (at the centre) under identical conditions ? Assume that the conductive heat transfer co-efficient is infinitely large. 10 minutes 20 minutes 5 minutes 40 minutes 10 minutes 20 minutes 5 minutes 40 minutes 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) Independent of T α 1/T αT α T⁴ Independent of T α 1/T αT α T⁴ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator is not influenced much by the rate of heat transfer ratio of the weight of the thin liquor to thick liquor temperature of the feed boiling point elevations rate of heat transfer ratio of the weight of the thin liquor to thick liquor temperature of the feed boiling point elevations ANSWER DOWNLOAD EXAMIANS APP
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