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 Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. The kg of water removed from 1 kg fresh juice is 0.6 0.7 0.4 0.5 0.6 0.7 0.4 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Sieder-Tate correlation for heat transfer in turbulent flow in pipe gives Nu α Re0.8, where, Nu is the Nusselt number and Re is the Reynolds number for the flow. Assuming that this relation is valid, the heat transfer co-efficient varies with the pipe diameter (D) as (D)-0.2 (D)0.2 (D)-1.8 (D)1.8 (D)-0.2 (D)0.2 (D)-1.8 (D)1.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest Prandtl number? Water Molten sodium (a coolant used in fast breeder reactor) Dilute H₂SO₄ Transformer oil Water Molten sodium (a coolant used in fast breeder reactor) Dilute H₂SO₄ Transformer oil ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it None of these Decreases the pressure drop Increases the overall heat transfer coefficient Decreases the outlet temperature of cooling medium None of these Decreases the pressure drop Increases the overall heat transfer coefficient Decreases the outlet temperature of cooling medium ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The value of Stefan-Boltazman constant in SI unit is 5.6697 x 10-8kcal/m² . °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8W/m².°K4 0.1714 x 10-8kcal/m². °K4 5.6697 x 10-8kcal/m² . °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8W/m².°K4 0.1714 x 10-8kcal/m². °K4 ANSWER DOWNLOAD EXAMIANS APP