Heat Transfer Unsteady state heat conduction occurs, when Temperature distribution is independent of time Temperature distribution is dependent on time Three dimensional heat flow is concerned Heat flows in one direction only Temperature distribution is independent of time Temperature distribution is dependent on time Three dimensional heat flow is concerned Heat flows in one direction only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer One kilogram of water at 0°C is changed to superheated steam of one atm pressure and 300° C. The major heat consumption in the process will be to To superheat the steam Data insufficient, can Heat the water from 0°C to 100°C Evaporate the water To superheat the steam Data insufficient, can Heat the water from 0°C to 100°C Evaporate the water ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscous & heat sensitive liquids are concentrated in __________ evaporators. Agitated film Long tube Open pan None of these Agitated film Long tube Open pan None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law. Parabolic Hyperbolic Linear Logarithmic Parabolic Hyperbolic Linear Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Velocity of circulation Both A and B Liquor-film co-efficient Neither A and B Velocity of circulation Both A and B Liquor-film co-efficient Neither A and B 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? Calenderia vertical tube evaporator Long vertical evaporator Agitated film evaporator Horizontal tube evaporator Calenderia vertical tube evaporator Long vertical evaporator Agitated film evaporator Horizontal tube evaporator ANSWER DOWNLOAD EXAMIANS APP