Heat Transfer Radiation heat losses from satisfactorily insulated high pressure boilar may be about __________ percent. 26 7 1 18 26 7 1 18 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Decreases Increases exponentially Increases Remains unchanged Decreases Increases exponentially Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The separation of liquid droplets from the vapor is done by a/an __________ , in the evaporators. Steam ejector Vacuum pump Compressor Entrainment separator Steam ejector Vacuum pump Compressor Entrainment separator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Harmonic mean temperature difference is given by 2.(ΔT₁ . ΔT₂)/(ΔT₁ + ΔT₂) (ΔT₁ - ΔT₂)/(ΔT₁ . ΔT₂) 2.(ΔT₁ . ΔT₂)(ΔT₁ - ΔT₂) √(ΔT₁ . ΔT₂) 2.(ΔT₁ . ΔT₂)/(ΔT₁ + ΔT₂) (ΔT₁ - ΔT₂)/(ΔT₁ . ΔT₂) 2.(ΔT₁ . ΔT₂)(ΔT₁ - ΔT₂) √(ΔT₁ . ΔT₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Among liquids, water has a comparatively high value of thermal conductivity, due to its Partial ionisation Low density Dense structure High viscosity Partial ionisation Low density Dense structure High viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz Nu = Gz Nu = 2Gz0.5 Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz Nu = Gz Nu = 2Gz0.5 ANSWER DOWNLOAD EXAMIANS APP
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