Heat Transfer With increase in temperature, the thermal conductivity of non-metallic amorphous solids remains same decreases None of the listed here increases remains same decreases None of the listed here increases 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 Lower pressure drop through the exchanger is desired Condensate is corrosive in nature Higher condensing film co-efficient is desired Temperature of the incoming vapor is very high Lower pressure drop through the exchanger is desired Condensate is corrosive in nature Higher condensing film co-efficient is desired Temperature of the incoming vapor is very high ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place Both B & C Between two bodies not in physical contact with each other From one part of a body to the another part of the same body Between two bodies in physical contact with each other Both B & C Between two bodies not in physical contact with each other From one part of a body to the another part of the same body Between two bodies in physical contact with each other ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The actual temperature drop across the heating surface in an evaporator depends on the All of these Feed Pressure difference between steam chest and vapour space Depth of liquid over heating surface All of these Feed Pressure difference between steam chest and vapour space Depth of liquid over heating surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Sensible heat of hot industrial flue gases can not be recovered by a/an None of these Ceramic recuperator Economiser Regenerator None of these Ceramic recuperator Economiser Regenerator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the temperature gradient at the wall to Heat flux Temperature difference That across the entire pipe None of these Heat flux Temperature difference That across the entire pipe None of these ANSWER DOWNLOAD EXAMIANS APP
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