Heat Transfer Which of the following is correct ? Rate = Driving force x Resistance Driving force = Rate x Resistance Rate = Resistance/Driving force Resistance = Driving force x Rate Rate = Driving force x Resistance Driving force = Rate x Resistance Rate = Resistance/Driving force Resistance = Driving force x Rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Harmonic mean temperature difference is given by (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) 2.(ΔT₁ . ΔT₂)(ΔT₁ - ΔT₂) √(ΔT₁ . ΔT₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling of milk in an open vessel is an example of __________ boiling. Sub-cooled Saturated nucleate None of these Film Sub-cooled Saturated nucleate None of these Film ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is Some More Either more or less ; depends on the nature of vapor Less Some More Either more or less ; depends on the nature of vapor Less ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Sensible heat of hot industrial flue gases can not be recovered by a/an Ceramic recuperator None of these Regenerator Economiser Ceramic recuperator None of these Regenerator Economiser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Air is best heated with steam in a heat exchanger of plate type double pipe type with fin on steam side shell and tube type double pipe type with fin on air side plate type double pipe type with fin on steam side shell and tube type double pipe type with fin on air side ANSWER DOWNLOAD EXAMIANS APP