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) h0/2K h0/K 2K/h0 K/h0 h0/2K h0/K 2K/h0 K/h0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of floating head in a heat exchanger is to Avoid buckling of tubes Decrease the pressure drop Facilitate its lengthening, if needed Provide support for tubes Avoid buckling of tubes Decrease the pressure drop Facilitate its lengthening, if needed Provide support for tubes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a conducting solid material depends upon its both temperature & porosity temperature porosity None of the listed here both temperature & porosity temperature porosity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the highest thermal conductivity ? Silver Black Water Air Silver Black Water Air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fruit juice (a heat sensitive material) can be concentrated in a __________ evaporator. Falling film High pressure None of these Long tube Falling film High pressure None of these Long tube 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 heat transfer rate high vacuum in the evaporator high heat transfer rate foaming of the solution high heat transfer rate high vacuum in the evaporator ANSWER DOWNLOAD EXAMIANS APP
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