Heat Transfer Among liquids, water has a comparatively high value of thermal conductivity, due to its Low density High viscosity Partial ionisation Dense structure Low density High viscosity Partial ionisation Dense structure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, one transfer unit means A section of the exchanger in which change in temperature of one stream equals the average driving force in the section The size of the exchanger in which heat transfer rate is 1 kcal/hr Both A and B None of these A section of the exchanger in which change in temperature of one stream equals the average driving force in the section The size of the exchanger in which heat transfer rate is 1 kcal/hr Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Correction is applied to LMTD for __________ flow. Cross Parallel Counter None of these Cross Parallel Counter None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in porosity, the thermal conductivity of a solid substance May increase or decrease; depends on the solid Decreases Increases Remains unchanged May increase or decrease; depends on the solid Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? Grey paint White paint Black paint Yellow paint Grey paint White paint Black paint Yellow paint ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is Both B and C Having the value of Ao/Ai > 2 Thin walled having the value of Ao Ai/< 2 Thick walled Both B and C Having the value of Ao/Ai > 2 Thin walled having the value of Ao Ai/< 2 Thick walled ANSWER DOWNLOAD EXAMIANS APP