Heat Transfer The dimensionless group in mass transfer that is equivalent to Prandtl number in heat transfer is Nusselt number Sherwood number Stanton number Schmidt number Nusselt number Sherwood number Stanton number Schmidt number 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 0.8 0.2 0.4 0.6 0.8 0.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In SI units, thermal conductivity is expressed in Watt/m.°K Watt/m4. °K Watt/m². °K Watt/m². °K Watt/m.°K Watt/m4. °K Watt/m². °K Watt/m². °K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? √(A₁ . A₂) 2 √(A₁ . A₂) √(A₁ + A₂) 1/2 √(A₁ . A₂) √(A₁ . A₂) 2 √(A₁ . A₂) √(A₁ + A₂) 1/2 √(A₁ . A₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the total emissivity of conductors Increases Decreases linearly Remains same Decreases Increases Decreases linearly Remains same Decreases 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 Heat transfer co-efficient are high There is no mist formation There is no risk of contamination Cost of equipment is lower Heat transfer co-efficient are high There is no mist formation ANSWER DOWNLOAD EXAMIANS APP
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