Heat Transfer Electro-magnetic spectrum range, which is important for radiation varies from __________ microns. 10 to 100 0.5 to 50 100 to 1000 1 to 100 10 to 100 0.5 to 50 100 to 1000 1 to 100 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Indirect contact heat exchangers are preferred over direct contact heat exchangers, because Cost of equipment is lower Heat transfer co-efficient are high There is no mist formation There is no risk of contamination Cost of equipment is lower Heat transfer co-efficient are high There is no mist formation There is no risk of contamination ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A black body does not __________ radiation. Absorb or emit Refract Both B & C Reflect Absorb or emit Refract Both B & C Reflect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical? 80 1.5 0.5 1 80 1.5 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of momentum diffusivity to thermal diffusivity is the __________ number. Nusselt Grashoff Stanton Prandtl Nusselt Grashoff Stanton Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation is promoted on a/an __________ surface. Glazed Oily Smooth Coated Glazed Oily Smooth Coated ANSWER DOWNLOAD EXAMIANS APP
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