Heat Transfer Which of the following has maximum thermal conductivity? Nitrogen Coal Tar Iron Nitrogen Coal Tar Iron ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff's law is applicable to Both A and B Total radiation only Monochromatic radiation only Only volumes and not to surfaces Both A and B Total radiation only Monochromatic radiation only Only volumes and not to surfaces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires Lower maintenance cost More space None of these Less heating surface Lower maintenance cost More space None of these Less heating surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fruit juice (a heat sensitive material) can be concentrated in a __________ evaporator. None of these High pressure Long tube Falling film None of these High pressure Long tube Falling film ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Log mean temperature difference (LMTD) cannot be used, if none of the listed here the heat capacity is not constant and there is a phase change. there exists an unsteady state heat transfer co-efficient over the entire heat exchanger is not constant none of the listed here the heat capacity is not constant and there is a phase change. there exists an unsteady state heat transfer co-efficient over the entire heat exchanger is not constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most widely used heat insulating material for pipelines carrying steam? Fireclay refractory followed by aluminium sheet Tar dolomite bricks followed by asbestos 85% magnesia cement and glass wool Cotton followed by aluminium foil Fireclay refractory followed by aluminium sheet Tar dolomite bricks followed by asbestos 85% magnesia cement and glass wool Cotton followed by aluminium foil ANSWER DOWNLOAD EXAMIANS APP
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