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) U₁ - U₂ U₂ - U₁ 1/U₂ - 1/U₁ 1/U₁ - 1/U₂ U₁ - U₂ U₂ - U₁ 1/U₂ - 1/U₁ 1/U₁ - 1/U₂ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1000 kg of wet solids are to be dried from 60% to 20% moisture (by weight). The mass of moisture removed in kg is 200 520 500 400 200 520 500 400 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Reynolds Grashoff Both A & B Prandtl & Grashoff Reynolds Grashoff Both A & B Prandtl & Grashoff ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ chart is known as transient heat conduction chart. Dirhing's Cox Heisler's Mollier's Dirhing's Cox Heisler's Mollier's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its None of these High specific heat Dense structure High proportion of air space None of these High specific heat Dense structure High proportion of air space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscosity of gases __________ with increase in temperature. Decrease slowly Remain unaffected Increase slowly Increase very rapidly Decrease slowly Remain unaffected Increase slowly Increase very rapidly ANSWER DOWNLOAD EXAMIANS APP
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