Heat Transfer For a fluid flowing in an annulus space, the wetted perimeter for heat transfer and pressure drop are Never different Same Different Linearly related Never different Same Different Linearly related ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas Increases Remains same Decreases May increase or decrease depending on the type of gas Increases Remains same Decreases May increase or decrease depending on the type of gas ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashoff number, which is defined as g . β(Ts - T∞) ρ². L³/μ², is proportional to the ratio of buoyancy force to __________ force. Viscous None of these Elastic Inertial Viscous None of these Elastic Inertial ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number (for forced convection heat transfer) is a function of the __________ number. Prandtl Reynolds Both Reynolds & Prandtl None of the listed here Prandtl Reynolds Both Reynolds & Prandtl None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when Requirement of heat transfer area is low A corrosive liquid is to be heated Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled Requirement of heat transfer area is low A corrosive liquid is to be heated Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor for a heat exchanger is given by (where, U₁ = heat transfer co-efficient of dirty surface U₂ = heat transfer co-efficient of clean surface) 1/U₁ - 1/U₂ 1/U₂ - 1/U₁ U₂ - U₁ U₁ - U₂ 1/U₁ - 1/U₂ 1/U₂ - 1/U₁ U₂ - U₁ U₁ - U₂ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS