Heat Transfer For small temperature difference, the heat transfer rate as per Newton's law of cooling is proportional to (where, Δt = excess temperature) Δt³ Δt² Δt √Δt Δt³ Δt² Δt √Δt ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T⁴ None of these Q ∝ T³ Q ∝ T² Q ∝ T⁴ None of these Q ∝ T³ Q ∝ T² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Harmonic mean temperature difference is given by 2.(ΔT₁ . ΔT₂)(ΔT₁ - ΔT₂) 2.(ΔT₁ . ΔT₂)/(ΔT₁ + ΔT₂) √(ΔT₁ . ΔT₂) (ΔT₁ - ΔT₂)/(ΔT₁ . ΔT₂) 2.(ΔT₁ . ΔT₂)(ΔT₁ - ΔT₂) 2.(ΔT₁ . ΔT₂)/(ΔT₁ + ΔT₂) √(ΔT₁ . ΔT₂) (ΔT₁ - ΔT₂)/(ΔT₁ . ΔT₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number (for forced convection heat transfer) is a function of the __________ number. None of the listed here Prandtl Both Reynolds & Prandtl Reynolds None of the listed here Prandtl Both Reynolds & Prandtl Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Removal of __________ heat is involved in the condensation of a vapor under saturated conditions. Both B & C Super Sensible Latent Both B & C Super Sensible Latent ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the Average of all resistances Maximum resistance in the series Minimum resistance presents in the series Sum of all resistances Average of all resistances Maximum resistance in the series Minimum resistance presents in the series Sum of all resistances ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS