Heat Transfer Pick out the correct equation. JH = (St)1/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)2/3(Pr) = f/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred By heating an intermediate material (like chequor bricks) and then heating the air from this hot material Through a metallic wall None of these By direct contact of hot flue gas with air By heating an intermediate material (like chequor bricks) and then heating the air from this hot material Through a metallic wall None of these By direct contact of hot flue gas with air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Occupies smaller space Is more economical All of these Is easy to operate and maintain Occupies smaller space Is more economical All of these Is easy to operate and maintain ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is Parallel None of these Forward Backward Parallel None of these Forward Backward ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a laboratory test run, the rate of drying was found to be 0.5 x 10-3 kg/m².s, when the moisture content reduced from 0.4 to 0.1 on dry basis. The critical moisture content of the material is 0.08 on a dry basis. A tray dryer is used to dry 100 kg (dry basis) of the same material under identical conditions. The surface area of the material is 0.04 m²/kg of dry solid. The time required (in seconds) to reduce the moisture content of the solids from 0.3 to 0.2 (dry basis) is 6000 2000 5000 4000 6000 2000 5000 4000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? All of these Convective heat transfer co-efficient Tube side pressure drop and the heat transfer rate Effective tube surface area for convective heat transfer All of these Convective heat transfer co-efficient Tube side pressure drop and the heat transfer rate Effective tube surface area for convective heat transfer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS