Heat Transfer Thermal conductivity of a conducting solid material depends upon its both temperature & porosity None of the listed here temperature porosity both temperature & porosity None of the listed here temperature porosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer During crystallisation, formation of crystal can occur in __________ solution only. All of these Saturated Supersaturated Undersaturated All of these Saturated Supersaturated Undersaturated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is Thick walled Having the value of Ao/Ai > 2 Thin walled having the value of Ao Ai/< 2 Both B and C Thick walled Having the value of Ao/Ai > 2 Thin walled having the value of Ao Ai/< 2 Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Remains unchanged Increases May increase or decrease; depends on the gas Decreases Remains unchanged Increases May increase or decrease; depends on the gas Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient May increase or decrease; depends on the feed Is not affected Increases Decreases May increase or decrease; depends on the feed Is not affected Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the Condensate is corrosive in nature Temperature of the incoming vapor is very high Higher condensing film co-efficient is desired Lower pressure drop through the exchanger is desired Condensate is corrosive in nature Temperature of the incoming vapor is very high Higher condensing film co-efficient is desired Lower pressure drop through the exchanger is desired ANSWER DOWNLOAD EXAMIANS APP
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