Heat Transfer In a single evaporator system, the steam economy __________ by creating vacuum in the evaporator. Increases May increase or decrease, depends on the vacuum Remains constant Decreases Increases May increase or decrease, depends on the vacuum Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation is generally recommended, when the Corrosive liquids are to be concentrated Evaporation on small scale is to be done Large scale evaporation of liquor is needed Fuel is cheaply available Corrosive liquids are to be concentrated Evaporation on small scale is to be done Large scale evaporation of liquor is needed Fuel is cheaply available ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The steam ejector is used to Remove condensate from the steam pipelines Create vacuum Superheat the steam None of these Remove condensate from the steam pipelines Create vacuum Superheat the steam None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Decreases Increases May increase or decrease; depends on the gas Remains unchanged Decreases Increases May increase or decrease; depends on the gas Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be W/m None, A is just a number W/m.k W/m.k² W/m None, A is just a number W/m.k W/m.k² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ paint has the minimum absorption co-efficient. White lead Light cream Black Grey White lead Light cream Black Grey ANSWER DOWNLOAD EXAMIANS APP
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