27 * Stefan Boltzmann law is applicable for heat transfer by (1 ) Radiation O Conduction...

Transcribed Image Text:

27 * Stefan Boltzmann law is applicable for heat transfer by (1 نقطة) Radiation O Conduction and radiation combined O Conduction O Convection O 28 The ratio of the emissive power and absorptive power of all bodies is the same and is equal to * the emissive power of a perfectly black body. This statement is known as (1 نقطة) Planck's law Krichoff's law Wien' law O Stefan's law temperature Fourth power of temperature Fourth power of absolute temperature 26 * In free convection heat transfer, Nusselt number is function of (1 نقطة) .Prandtl no. and Reynold no Grashoff no. and Reynold no .Grashoff no. and Prandtl no Grashoff no.. Prandtl no and Reynold no 27 *Stefan Boltzmann law is applicable for heat transfer by (1 نقطة) 27 * Stefan Boltzmann law is applicable for heat transfer by (1 نقطة) Radiation O Conduction and radiation combined O Conduction O Convection O 28 The ratio of the emissive power and absorptive power of all bodies is the same and is equal to * the emissive power of a perfectly black body. This statement is known as (1 نقطة) Planck's law Krichoff's law Wien' law O Stefan's law temperature Fourth power of temperature Fourth power of absolute temperature 26 * In free convection heat transfer, Nusselt number is function of (1 نقطة) .Prandtl no. and Reynold no Grashoff no. and Reynold no .Grashoff no. and Prandtl no Grashoff no.. Prandtl no and Reynold no 27 *Stefan Boltzmann law is applicable for heat transfer by (1 نقطة)

Answer rating: 100% (QA)

Answer 26 In free convection heat transfer Nusselt number is fuct... View the full answer