Heat Transfer The statement that "maximum wavelength of radiation is inversly proportional to the temperature" is __________ law. Wien's displacement None of these Planck's Stefan-Boltzman's Wien's displacement None of these Planck's Stefan-Boltzman's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the highest thermal conductivity ? Silver Black Water Air Silver Black Water Air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Liquid viscosity Interfacial tension Liquid density Hot surface temperature Liquid viscosity Interfacial tension Liquid density Hot surface temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits Low density Low viscosity High fluidity Abundance & high heat capacity Low density Low viscosity High fluidity Abundance & high heat capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is concerned with both heat and mass transfer ? Froude number Kutateladze number Nusselt number Lewis relationship Froude number Kutateladze number Nusselt number Lewis relationship ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Hot water (0.01 m³ /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m³/min) of density 800 kg/m³ and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately 45 50 37 32 45 50 37 32 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS