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 > 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 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when High viscosity liquid is to be cooled Overall heat transfer co-efficient is very high Requirement of heat transfer area is low A corrosive liquid is to be heated High viscosity liquid is to be cooled Overall heat transfer co-efficient is very high Requirement of heat transfer area is low A corrosive liquid is to be heated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer All analogy equations connecting friction factor and heat transfer co-efficient apply only to Turbulent flow Both A and B Form friction Wall or skin friction Turbulent flow Both A and B Form friction Wall or skin friction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of evaporators, liquid entrainment results primarily due to high heat transfer rate high vacuum in the evaporator high heat transfer rate foaming of the solution high heat transfer rate high vacuum in the evaporator high heat transfer rate foaming of the solution ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the reciprocal of Thermal diffusivity x Mass diffusivity Thermal diffusivity x Momentum Thermal diffusivity/Momentum diffusivity Mass diffusivity x Momentum diffusivity Thermal diffusivity x Mass diffusivity Thermal diffusivity x Momentum Thermal diffusivity/Momentum diffusivity Mass diffusivity x Momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? < 0.5 0.5 > 0.6 < 0.1 < 0.5 0.5 > 0.6 < 0.1 ANSWER DOWNLOAD EXAMIANS APP
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