Heat Transfer A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m².K. The Biot number is 5.6 0.0035 3.5 0.025 5.6 0.0035 3.5 0.025 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1000 kg of wet solids are to be dried from 60% to 20% moisture (by weight). The mass of moisture removed in kg is 500 200 520 400 500 200 520 400 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T³ Q ∝ T² Q ∝ T⁴ None of these Q ∝ T³ Q ∝ T² Q ∝ T⁴ None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A 2-4 heat exchanger involves Only counter-flow of fluids Only parallel-flow of fluids Smaller pressure drop compared to 1-2 exchanger Both counter and parallel-flow of the fluids Only counter-flow of fluids Only parallel-flow of fluids Smaller pressure drop compared to 1-2 exchanger Both counter and parallel-flow of the fluids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of evaporators, liquid entrainment results primarily due to high heat transfer rate foaming of the solution high vacuum in the evaporator high heat transfer rate high heat transfer rate foaming of the solution high vacuum in the evaporator high heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer co-efficient (h1) for liquids increases with Increasing temperature Decreasing Reynolds number Decreasing temperature None of these Increasing temperature Decreasing Reynolds number Decreasing temperature None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS