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? Horizontal tube evaporator Agitated film evaporator Long vertical evaporator Calenderia vertical tube evaporator Horizontal tube evaporator Agitated film evaporator Long vertical evaporator Calenderia vertical tube evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m².K. The Biot number is 0.0035 3.5 0.025 5.6 0.0035 3.5 0.025 5.6 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator is not influenced much by the ratio of the weight of the thin liquor to thick liquor temperature of the feed rate of heat transfer boiling point elevations ratio of the weight of the thin liquor to thick liquor temperature of the feed rate of heat transfer boiling point elevations ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as Ha = hL Ha = 2hL Ha = 0.8hL Ha= 5hL Ha = hL Ha = 2hL Ha = 0.8hL Ha= 5hL ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be W/m.k None, A is just a number W/m.k² W/m W/m.k None, A is just a number W/m.k² W/m ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing bleed points in the evaporator is to Remove the product Facilitate removal of non-condensable gases Admit the feed Create vacuum Remove the product Facilitate removal of non-condensable gases Admit the feed Create vacuum ANSWER DOWNLOAD EXAMIANS APP
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