Heat Transfer In counter flow compared to parallel flow, LMTD is greater More surface area is required for a given heat transfer rate Less surface area is required for a given heat transfer rate Both A and B LMTD is greater More surface area is required for a given heat transfer rate Less surface area is required for a given heat transfer rate Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient continues to increase goes through a minimum continues to decrease goes through a maximum. continues to increase goes through a minimum continues to decrease goes through a maximum. ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the Nusselt number is a function of Re and Gr Re and Pr Re and Sc Pr and Gr Re and Gr Re and Pr Re and Sc Pr and Gr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The wavelength at which the maximum monochromatic emissive power occurs for a black body, is (where, T = absolute temperature of the black body) Independent of T αT α 1/T α T⁴ Independent of T αT α 1/T α T⁴ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Natural convection is characterised by Grashhoff number Peclet number Reynolds number Prandtl number Grashhoff number Peclet number Reynolds number Prandtl number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? 0.5 > 0.6 < 0.1 < 0.5 0.5 > 0.6 < 0.1 < 0.5 ANSWER DOWNLOAD EXAMIANS APP