Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Air Dowtherm Water Molten sodium Air Dowtherm Water Molten sodium ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When vaporisation takes place directly at the heating surface, it is called vapour binding nucleate boiling film boiling all of the listed here vapour binding nucleate boiling film boiling all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the thermal boundary layer lies inside the concentration boundary layer concentration boundary layer lies inside the thermal boundary layer none of the listed here thermal & concentration boundary layers are of equal thickness thermal boundary layer lies inside the concentration boundary layer concentration boundary layer lies inside the thermal boundary layer none of the listed here thermal & concentration boundary layers are of equal thickness ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam consumption in kg/hr in case of an evaporator is given by (where, C & E are capacity the economy of the evaporator respectively) 1/CE E/C CE C/E 1/CE E/C CE C/E ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing a 'catchall' in the vapor line of an evaporator is to Vent the non-condensible gases Arrest the entrained liquid Create vacuum Regulate the vapor flow Vent the non-condensible gases Arrest the entrained liquid Create vacuum Regulate the vapor flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of 'n' is exactly 4 for Polished bodies only A black body All bodies Black painted bodies only Polished bodies only A black body All bodies Black painted bodies only ANSWER DOWNLOAD EXAMIANS APP
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