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 Heat transfer by __________ may not necessarily require the presence of a medium radiation natural convection coduction none of the listed here radiation natural convection coduction none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The wavelength at which the maximum monochromatic emissive power occurs for a black body, is (where, T = absolute temperature of the black body) αT α T⁴ α 1/T Independent of T αT α T⁴ α 1/T Independent of T ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With the increase of temperature, the Col-burn jH factor May increase or decrease ; depending on temperature Increases Remains unchanged Decreases May increase or decrease ; depending on temperature Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam condensate is recovered by steam traps and recycled for use as boiler feed water, because of its low Dissolved soilds content All of these Hardness Suspended solids content Dissolved soilds content All of these Hardness Suspended solids content ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equivalent diameter for pressure drop is __________ that for heat transfer greater than equal to smaller than None of the listed here greater than equal to smaller than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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