Heat Transfer What is the unit of thermal conductivity ? Kcal/hr. m² °C Kcal/hr.m Kcal/hr. °C Kcal/hr.m.°C Kcal/hr. m² °C Kcal/hr.m Kcal/hr. °C Kcal/hr.m.°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a conducting solid material depends upon its porosity None of the listed here temperature both temperature & porosity porosity None of the listed here temperature both temperature & porosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In thermal radiation for a black body (where, ε is emissivity and α is absorptivity) α = 1; ε = 1 α ≠ 1, ε = 1 α ≠ 1, ε ≠ 1 α = 1; ε ≠ 1 α = 1; ε = 1 α ≠ 1, ε = 1 α ≠ 1, ε ≠ 1 α = 1; ε ≠ 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are Nu, Pr Re.Gz Nu, Pr, Re Nu, Gz Nu, Pr Re.Gz Nu, Pr, Re Nu, Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Black liquor generated during paper manufacture is concentrated in a multiple effect evaporator multiple effect evaporators followed by a crystalliser single effect evaporator followed by a crystalliser single effect evaporator multiple effect evaporator multiple effect evaporators followed by a crystalliser single effect evaporator followed by a crystalliser single effect evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70° C to 65° C in __________ minutes. >10 10 Either B or C, depends on the mass of the body >10 10 Either B or C, depends on the mass of the body ANSWER DOWNLOAD EXAMIANS APP
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