Heat Transfer The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances. Geometric mean Product Sum Average Geometric mean Product Sum Average ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator unit No pump is required to withdraw the product from the last effect Transfer from effect to effect is done by pumps None of these Viscosity of liquid is highest in first effect No pump is required to withdraw the product from the last effect Transfer from effect to effect is done by pumps None of these Viscosity of liquid is highest in first effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Both B and C Increases rapidly with temperature rise Is almost independent of temperature Is almost independent of pressure Both B and C Increases rapidly with temperature rise Is almost independent of temperature Is almost independent of pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. Current Resistance Voltage None of these Current Resistance Voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? < 0.1 < 0.5 > 0.6 0.5 < 0.1 < 0.5 > 0.6 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single evaporator system, the steam economy __________ by creating vacuum in the evaporator. May increase or decrease, depends on the vacuum Increases Decreases Remains constant May increase or decrease, depends on the vacuum Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP