Heat Transfer Multipass heat exchangers are used To reduce the pressure drop For low heat load To obtain higher heat transfer co-efficient and shorter tube Because of simplicity of fabrication To reduce the pressure drop For low heat load To obtain higher heat transfer co-efficient and shorter tube Because of simplicity of fabrication ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of evaporators, liquid entrainment results primarily due to high vacuum in the evaporator high heat transfer rate foaming of the solution high heat transfer rate high vacuum in the evaporator high heat transfer rate foaming of the solution high heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of steel Increases Remains unchanged Decreases Increases exponentially Increases Remains unchanged Decreases Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer co-efficient (h1) for liquids increases with Increasing temperature None of these Decreasing temperature Decreasing Reynolds number Increasing temperature None of these Decreasing temperature Decreasing Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for a spherical shell is (where, K = thermal conductivity of insulating material h0 = heat transfer coefficient at the outer surface) h0/K h0/2K 2K/h0 K/h0 h0/K h0/2K 2K/h0 K/h0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface. Saturated Pool Local Nucleate Saturated Pool Local Nucleate ANSWER DOWNLOAD EXAMIANS APP
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