Heat Transfer The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film ) ΔT (ΔT)1/4 None of the listed here (ΔT)2 ΔT (ΔT)1/4 None of the listed here (ΔT)2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffles are provided in heat exchangers to increase the Heat transfer area Fouling factor Heat transfer co-efficient Heat transfer rate Heat transfer area Fouling factor Heat transfer co-efficient Heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T² Q ∝ T⁴ None of these Q ∝ T³ Q ∝ T² Q ∝ T⁴ None of these Q ∝ T³ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the Temperature gradient of the wall to that across the entire pipe Heat flux at the wall to that across the entire pipe None of these Temperature difference to the temperature gradient at the wall Temperature gradient of the wall to that across the entire pipe Heat flux at the wall to that across the entire pipe None of these Temperature difference to the temperature gradient at the wall ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to None of these Remove condensate Increase temperature Increase pressure None of these Remove condensate Increase temperature Increase pressure 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. Elastic None of these Inertial Viscous Elastic None of these Inertial Viscous ANSWER DOWNLOAD EXAMIANS APP
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