Heat Transfer In a forward feed multiple effect evaporator unit Transfer from effect to effect is done by pumps Viscosity of liquid is highest in first effect None of these No pump is required to withdraw the product from the last effect Transfer from effect to effect is done by pumps Viscosity of liquid is highest in first effect None of these No pump is required to withdraw the product from the last effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. Resistance Current None of these Voltage Resistance Current None of these Voltage ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the ratio of Momentum diffusivity to mass diffusivity Thermal diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Momentum diffusivity to mass diffusivity Thermal diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 0.06 to 120 0.6 to 120 l to 50 1 to 103 0.06 to 120 0.6 to 120 l to 50 1 to 103 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal ball of radius 0.1 m at a uniform temperature of 90°C is left in air at 30°C. The density and the specific heat of the metal are 3000 kg/m³ and 0.4 kJ/kg.K respectively. The heat transfer co-efficient is 50 W/m².K Neglecting the temperature gradients inside the ball, the time taken (in hours) for the ball to cool to 60°C is 0.55 0.15 555 55.5 0.55 0.15 555 55.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Planck's distribution law is valid for __________ bodies white all of the listed here black coloured white all of the listed here black coloured ANSWER DOWNLOAD EXAMIANS APP