Heat Transfer If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will Increase by 1.8 times Increase by 216 Decrease by 22 Remain unchanged Increase by 1.8 times Increase by 216 Decrease by 22 Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Harmonic mean temperature difference is given by 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) 2.(ΔT₁ . ΔT₂)(ΔT₁ - ΔT₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff's law is applicable to Monochromatic radiation only Both A and B Only volumes and not to surfaces Total radiation only Monochromatic radiation only Both A and B Only volumes and not to surfaces Total radiation only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number (for forced convection heat transfer) is a function of the __________ number. Prandtl Both Reynolds & Prandtl Reynolds None of the listed here Prandtl Both Reynolds & Prandtl Reynolds None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling. none of the listed here pool film transition none of the listed here pool film transition ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Trap is used to remove __________ from steam pipe lines. Condensate None of these Steam Non-condensables Condensate None of these Steam Non-condensables ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS