Heat Transfer The Grashoff number is defined as the ratio of the inertial to viscous forces. buoyancy to inertial forces buoyancy to surface tension forces buoyancy to viscous forces inertial to viscous forces. buoyancy to inertial forces buoyancy to surface tension forces buoyancy to viscous forces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 100-1000 0.38-0.78 0.5-50 5-50 100-1000 0.38-0.78 0.5-50 5-50 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest Prandtl number? Dilute H₂SO₄ Transformer oil Water Molten sodium (a coolant used in fast breeder reactor) Dilute H₂SO₄ Transformer oil Water Molten sodium (a coolant used in fast breeder reactor) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The steam ejector is used to Remove condensate from the steam pipelines Superheat the steam Create vacuum None of these Remove condensate from the steam pipelines Superheat the steam Create vacuum None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the highest thermal conductivity ? Water Air Black Silver Water Air Black Silver ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer _______ paint has the maximum absorption coefficient. Yellow White Black Grey Yellow White Black Grey ANSWER DOWNLOAD EXAMIANS APP