Heat Transfer 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a None of these Non-dimensional factor Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient Factor of safety None of these Non-dimensional factor Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient Factor of safety ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Gases Both solids & liquids Solids Liquids Gases Both solids & liquids Solids Liquids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Absorptivity and refletivity of a perfect black body are respectively 1 and 0 0 and 1 0 and 0.5 1 and ? 1 and 0 0 and 1 0 and 0.5 1 and ? ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The driving potential for the crystal growth during crystallisation is the __________ of the solution. Concentration Viscosity Super-saturation Density Concentration Viscosity Super-saturation Density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, floating head is provided to increase the heat transfer area increase log mean temperature gradient relieve stresses caused by thermal expansion facilitate cleaning of the exchanger increase the heat transfer area increase log mean temperature gradient relieve stresses caused by thermal expansion facilitate cleaning of the exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids? None of these At low velocity When fluid flows past a smooth surface At high fluid velocity None of these At low velocity When fluid flows past a smooth surface At high fluid velocity ANSWER DOWNLOAD EXAMIANS APP
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