Heat Transfer In a cooling tower, water becomes cool by Vaporisation due to heat loss to air Loosing sensible heat Loosing latent heat Heat transfer to surroundings Vaporisation due to heat loss to air Loosing sensible heat Loosing latent heat Heat transfer to surroundings ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l05 3 x l08 3 x l012 3 x l010 3 x l05 3 x l08 3 x l012 3 x l010 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is a function of Prandtl number and __________ number of fluid in natural convection heat transfer. Stantan Biot Grashoff Reynolds Stantan Biot Grashoff Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The statement that "maximum wavelength of radiation is inversly proportional to the temperature" is __________ law. Planck's Wien's displacement None of these Stefan-Boltzman's Planck's Wien's displacement None of these Stefan-Boltzman's 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 α T⁴ α 1/T αT Independent of T α T⁴ α 1/T αT ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In an extended surface heat exchanger, fluid having lower co-efficient Should not be used as it gives very high pressure drop Flows through the tube Flows outside the tubes Can flow either inside or outside the tubes Should not be used as it gives very high pressure drop Flows through the tube Flows outside the tubes Can flow either inside or outside the tubes ANSWER DOWNLOAD EXAMIANS APP