Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Lower capacity Higher economy Both A & B Lower economy Lower capacity Higher economy Both A & B Lower economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 0.06 to 120 0.6 to 120 1 to 103 l to 50 0.06 to 120 0.6 to 120 1 to 103 l to 50 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = 2k/h r = k/2h r = h/k r = k/h r = 2k/h r = k/2h r = h/k r = k/h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Peclet number (Pe) is given by Pe = Re/Pr Pe = Nu.Re Pe = Re.Pr Pe = Pr/Re Pe = Re/Pr Pe = Nu.Re Pe = Re.Pr Pe = Pr/Re ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff's law is applicable to Both A and B Monochromatic radiation only Total radiation only Only volumes and not to surfaces Both A and B Monochromatic radiation only Total radiation only Only volumes and not to surfaces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the total emissivity of conductors Increases Decreases Decreases linearly Remains same Increases Decreases Decreases linearly Remains same ANSWER DOWNLOAD EXAMIANS APP