Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Heat transfer area Mechanical strength of the equipment Heat transfer co-efficient Temperature gradient Heat transfer area Mechanical strength of the equipment Heat transfer co-efficient Temperature gradient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number. Grashoff Brinkman Condensation Stantan Grashoff Brinkman Condensation Stantan ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? 1/2 √(A₁ . A₂) √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The number of kg vaporised per kg of steam fed to the evaporator is defined as Rate of vaporisation Economy Rate of evaporation Capacity Rate of vaporisation Economy Rate of evaporation Capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then hf < hd hf could be greater or smaller than hd hf = hd hf > hd hf < hd hf could be greater or smaller than hd hf = hd hf > hd ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is 0.6 0.2 0.4 0.8 0.6 0.2 0.4 0.8 ANSWER DOWNLOAD EXAMIANS APP
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