Heat Transfer Which of the following is correct ? Driving force = Rate x Resistance Rate = Resistance/Driving force Resistance = Driving force x Rate Rate = Driving force x Resistance Driving force = Rate x Resistance Rate = Resistance/Driving force Resistance = Driving force x Rate Rate = Driving force x Resistance ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a given ambient air temperature with increase in the thickness of insulation of a hot cylinderical pipe, the rate of heat loss from the surface would First decrease and then increase First increase and then decrease Increase Decrease First decrease and then increase First increase and then decrease Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having High viscosity Scaling characteristics Neither A nor B Both A & B High viscosity Scaling characteristics Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very none of the listed here high pressure low film co-efficient high temperature none of the listed here high pressure low film co-efficient high temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal diffusivity of a material All of these Is the ratio of thermal conductivity to thermal capacity Is defined as K/ρ . Cp Has the unit m² /sec All of these Is the ratio of thermal conductivity to thermal capacity Is defined as K/ρ . Cp Has the unit m² /sec ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of steel Increases exponentially Increases Remains unchanged Decreases Increases exponentially Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
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