Heat Transfer Peclet number (Pe) is given by Pe = Re/Pr Pe = Nu.Re Pe = Pr/Re Pe = Re.Pr Pe = Re/Pr Pe = Nu.Re Pe = Pr/Re Pe = Re.Pr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are useful for the concentration of viscous, salting and scale forming liquors. Which of the following is a forced circulation evaporator? Long vertical evaporator Horizontal tube evaporator Calenderia vertical tube evaporator Agitated film evaporator Long vertical evaporator Horizontal tube evaporator Calenderia vertical tube evaporator Agitated film evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l012 3 x l05 3 x l010 3 x l08 3 x l012 3 x l05 3 x l010 3 x l08 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Decreases May increase or decrease; depends on the gas Remains unchanged Increases Decreases May increase or decrease; depends on the gas Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the emissivity of a black body? 0.9 1 0.5 0.9 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of steel Increases Remains unchanged Increases exponentially Decreases Increases Remains unchanged Increases exponentially Decreases ANSWER DOWNLOAD EXAMIANS APP