Heat Transfer Steam side heat transfer co-efficient in an evaporator is in the range of __________ kcal/hr.m²°C. 100-500 5000-15000 18537 1000-1500 100-500 5000-15000 18537 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vacuum is generally maintained in the vapour space of an evaporator mainly to Concentrate heat sensitive materials Achieve very high concentration of the final product Get economical temperature difference by using moderate pressure steam Facilitate forward feeding in multiple effect evaporation Concentrate heat sensitive materials Achieve very high concentration of the final product Get economical temperature difference by using moderate pressure steam Facilitate forward feeding in multiple effect evaporation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer depends upon the __________ number. Prandtl Biot Reynolds Nusselt Prandtl Biot Reynolds Nusselt ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film thickness for laminar film condensation on vertical surface __________ from top to bottom. And the surface conductance increase Cummulatively increases Remains constant Cummulatively decreases And the surface conductance increase Cummulatively increases Remains constant Cummulatively decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l010 3 x l08 3 x l05 3 x l012 3 x l010 3 x l08 3 x l05 3 x l012 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it All of these Is easy to operate and maintain Occupies smaller space Is more economical All of these Is easy to operate and maintain Occupies smaller space Is more economical ANSWER DOWNLOAD EXAMIANS APP
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