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 Calenderia vertical tube evaporator Long vertical evaporator Horizontal tube evaporator Agitated film evaporator Calenderia vertical tube evaporator Long vertical evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Both solids & liquids Solids Liquids Gases Both solids & liquids Solids Liquids Gases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid Decreases Increases Increases or decreases depending on number of shell passes Remains unchanged Decreases Increases Increases or decreases depending on number of shell passes Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone. None of the listed here laminar highly turbulent transition None of the listed here laminar highly turbulent transition ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation emitter absorber Both emitter & absorber none of the listed here emitter absorber Both emitter & absorber none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side. None of these Three pass, fixed tube sheet Single pass, fixed tube sheet U-tube None of these Three pass, fixed tube sheet Single pass, fixed tube sheet U-tube ANSWER DOWNLOAD EXAMIANS APP
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