Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Higher economy Both A & B Lower capacity Lower economy Higher economy Both A & B Lower capacity Lower economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred By heating an intermediate material (like chequor bricks) and then heating the air from this hot material By direct contact of hot flue gas with air None of these Through a metallic wall By heating an intermediate material (like chequor bricks) and then heating the air from this hot material By direct contact of hot flue gas with air None of these Through a metallic wall ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is 1.66 88.66 Dependent on NRe only 3.66 1.66 88.66 Dependent on NRe only 3.66 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the Nusselt number is a function of Re and Sc Pr and Gr Re and Gr Re and Pr Re and Sc Pr and Gr Re and Gr Re and Pr 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 Steady state one dimensional heat flow by conduction as given by Fourier's low does not assume that Constant temperature gradient exists There is no internal heat generation Material is anisotropic Boundary surfaces are isothermal Constant temperature gradient exists There is no internal heat generation Material is anisotropic Boundary surfaces are isothermal ANSWER DOWNLOAD EXAMIANS APP
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