Heat Transfer In a single evaporator system, the steam economy __________ by creating vacuum in the evaporator. Increases Decreases May increase or decrease, depends on the vacuum Remains constant Increases Decreases May increase or decrease, depends on the vacuum Remains constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscosity of gases __________ with increase in temperature. Decrease slowly Increase very rapidly Increase slowly Remain unaffected Decrease slowly Increase very rapidly Increase slowly Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The radiation heat flux from a heating element at a temperature of 800°C, in a furnace maintained at 300°C is 8 kW/m². The flux, when the element temperature is increased to 1000°C for the same furnace temperature is 12.0 kW/m² 16.5 kW/m² 11.2 kW/m² 14.6 kW/m² 12.0 kW/m² 16.5 kW/m² 11.2 kW/m² 14.6 kW/m² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fruit juice (a heat sensitive material) can be concentrated in a __________ evaporator. High pressure Long tube None of these Falling film High pressure Long tube None of these Falling film ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid Excessive corrosion Its evaporation loss Uneconomic LMTD Decrease in heat exchanger efficiency Excessive corrosion Its evaporation loss Uneconomic LMTD Decrease in heat exchanger efficiency ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For specified tube outside diameter, higher BWG means higher tube thickness cross-sectional area weight per unit length none of the listed here tube thickness cross-sectional area weight per unit length none of the listed here ANSWER DOWNLOAD EXAMIANS APP
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