Heat Transfer With the increase of temperature, the Col-burn jH factor May increase or decrease ; depending on temperature Decreases Increases Remains unchanged May increase or decrease ; depending on temperature Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted Only in presence of air None of these When both the steam and the tube are clean An oily surface Only in presence of air None of these When both the steam and the tube are clean An oily surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor Accounts for additional resistances to heat flow None of these Is a dimensionless quantity Does not provide a safety factor for design Accounts for additional resistances to heat flow None of these Is a dimensionless quantity Does not provide a safety factor for design ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Indirect contact heat exchangers are preferred over direct contact heat exchangers, because There is no risk of contamination Cost of equipment is lower There is no mist formation Heat transfer co-efficient are high There is no risk of contamination Cost of equipment is lower There is no mist formation Heat transfer co-efficient are 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 From one part of a body to the another part of the same body Between two bodies in physical contact with each other Between two bodies not in physical contact with each other Both B & C From one part of a body to the another part of the same body Between two bodies in physical contact with each other Between two bodies not in physical contact with each other ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is concerned with both heat and mass transfer ? Kutateladze number Lewis relationship Nusselt number Froude number Kutateladze number Lewis relationship Nusselt number Froude number ANSWER DOWNLOAD EXAMIANS APP
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