Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Liquids Both solids & liquids Solids Gases Liquids Both solids & liquids Solids Gases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer All analogy equations connecting friction factor and heat transfer co-efficient apply only to Wall or skin friction Turbulent flow Form friction Both A and B Wall or skin friction Turbulent flow Form friction Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is Less More or less; depends on the nature of solution More Same Less More or less; depends on the nature of solution More Same ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of steel Decreases Increases exponentially Remains unchanged Increases Decreases Increases exponentially Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which area is used in case of heat flow by conduction through a cylinder ? Geometric mean area Arithmetic mean area None of the listed here Logarithmic mean area Geometric mean area Arithmetic mean area None of the listed here Logarithmic mean area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. None of these Reflects Absorbs Transmits None of these Reflects Absorbs Transmits ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS