Heat Transfer Nucleate boiling is promoted In the absence of agitation On polished surfaces On rough surfaces None of these In the absence of agitation On polished surfaces On rough surfaces None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In natural convection heat transfer, the correlating parameter is the Eckert number Bond number Grashoff number Graetz number Eckert number Bond number Grashoff number Graetz number 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 decrease goes through a minimum goes through a maximum. continues to increase continues to decrease goes through a minimum goes through a maximum. continues to increase ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation is promoted on a/an __________ surface. Glazed Coated Smooth Oily Glazed Coated Smooth Oily ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest Prandtl number? Dilute H₂SO₄ Water Molten sodium (a coolant used in fast breeder reactor) Transformer oil Dilute H₂SO₄ Water Molten sodium (a coolant used in fast breeder reactor) Transformer oil ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the reciprocal of Thermal diffusivity x Momentum Thermal diffusivity/Momentum diffusivity Thermal diffusivity x Mass diffusivity Mass diffusivity x Momentum diffusivity Thermal diffusivity x Momentum Thermal diffusivity/Momentum diffusivity Thermal diffusivity x Mass diffusivity Mass diffusivity x Momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP