Heat Transfer In Fourier's law, the proportionality constant is called the Thermal conductivity Thermal diffusivity Stefan-Boltzman constant Heat transfer co-efficient Thermal conductivity Thermal diffusivity Stefan-Boltzman constant Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is obtained in __________ flow. Laminar Creeping Transition region Turbulent Laminar Creeping Transition region Turbulent ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal ball of radius 0.1 m at a uniform temperature of 90°C is left in air at 30°C. The density and the specific heat of the metal are 3000 kg/m³ and 0.4 kJ/kg.K respectively. The heat transfer co-efficient is 50 W/m².K Neglecting the temperature gradients inside the ball, the time taken (in hours) for the ball to cool to 60°C is 55.5 0.15 555 0.55 55.5 0.15 555 0.55 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Logarithmic Arithmetic Either A, B or C Geometric Logarithmic Arithmetic Either A, B or C Geometric ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is Zero Infinity Same as average heat transfer co-efficient for tube side None of these Zero Infinity Same as average heat transfer co-efficient for tube side None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a boiling curve, the peak heat flux is called the __________ point. Leidenfrost Boiling Burnout Nusselt Leidenfrost Boiling Burnout Nusselt ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS