Heat Transfer Reason for operating an evaporator in multiple effect is to secure Decreased steam consumption Increased steam economy Increased capacity Both A and B Decreased steam consumption Increased steam economy Increased capacity Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kg of liquid evaporated per hour in an evaporator is defined as its Economy Steam load Capacity None of these Economy Steam load Capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by Newton's law of cooling Fick's law Fourier's law None of these Newton's law of cooling Fick's law Fourier's law None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law. Hyperbolic Parabolic Linear Logarithmic Hyperbolic Parabolic Linear Logarithmic 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. 40 minutes 5 minutes 10 minutes 20 minutes 40 minutes 5 minutes 10 minutes 20 minutes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is 100 0.5 2 10 100 0.5 2 10 ANSWER DOWNLOAD EXAMIANS APP
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