Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Corrosive Salty Highly viscous Scaling Corrosive Salty Highly viscous Scaling ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most widely used heat insulating material for pipelines carrying steam? Cotton followed by aluminium foil Tar dolomite bricks followed by asbestos Fireclay refractory followed by aluminium sheet 85% magnesia cement and glass wool Cotton followed by aluminium foil Tar dolomite bricks followed by asbestos Fireclay refractory followed by aluminium sheet 85% magnesia cement and glass wool 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 None, A is just a number W/m.k² W/m W/m.k None, A is just a number W/m.k² W/m W/m.k ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is More Some Less Either more or less ; depends on the nature of vapor More Some Less Either more or less ; depends on the nature of vapor ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the Minimum resistance presents in the series Maximum resistance in the series Average of all resistances Sum of all resistances Minimum resistance presents in the series Maximum resistance in the series Average of all resistances Sum of all resistances ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Planck's distribution law is valid for __________ bodies black coloured all of the listed here white black coloured all of the listed here white ANSWER DOWNLOAD EXAMIANS APP