Heat Transfer Which of the following has the lowest Prandtl number? Transformer oil 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) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which characteristic of a fluid is not important in deciding its route in a shell and tube heat exchanger? Viscosity Fouling characteristic None of these Corrosiveness Viscosity Fouling characteristic None of these Corrosiveness ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the total emissivity of conductors Decreases linearly Remains same Decreases Increases Decreases linearly Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film condensation is promoted on a/an __________ surface. dirty clean & smooth coated oily dirty clean & smooth coated oily ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface. Saturated Pool Local Nucleate Saturated Pool Local Nucleate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the reciprocal of Mass diffusivity x Momentum diffusivity Thermal diffusivity x Momentum Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity Mass diffusivity x Momentum diffusivity Thermal diffusivity x Momentum Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS