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 None of these Through a metallic wall By direct contact of hot flue gas with air By heating an intermediate material (like chequor bricks) and then heating the air from this hot material None of these Through a metallic wall By direct contact of hot flue gas with air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a parallel flow heat exchanger, if the outlet temperature of hot and cold fluids are the same, then the log mean temperature difference (LMTD) is Zero Maximum Minimum Infinity Zero Maximum Minimum Infinity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. The kg of water removed from 1 kg fresh juice is 0.4 0.7 0.5 0.6 0.4 0.7 0.5 0.6 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam economy in case of a triple effect evaporator will be < 1 Between 0 and 1 > 1 1 < 1 Between 0 and 1 > 1 1 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 3.66 88.66 Dependent on NRe only 1.66 3.66 88.66 Dependent on NRe only 1.66 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD for counterflow and prallel flow heat exchanger will be the same, when the Outlent temperature of both the hot and cold fluid are same Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) None of these Outlent temperature of both the hot and cold fluid are same Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) None of these ANSWER DOWNLOAD EXAMIANS APP
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