Heat Transfer In counter flow compared to parallel flow, Both A and B LMTD is greater More surface area is required for a given heat transfer rate Less surface area is required for a given heat transfer rate Both A and B LMTD is greater More surface area is required for a given heat transfer rate Less surface area is required for a given heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film boiling is usually not desired in commercial equipments, because the heat transfer rate is low in view of the large temperature drop. @ it is difficult to maintain none of the listed here it is not economic the heat transfer rate is low in view of the large temperature drop. @ it is difficult to maintain none of the listed here it is not economic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? < 0.1 < 0.5 > 0.6 0.5 < 0.1 < 0.5 > 0.6 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area Increases Decreases Remains constant Passes through a maxima Increases Decreases Remains constant Passes through a maxima ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single evaporator system, the steam economy __________ by creating vacuum in the evaporator. Decreases May increase or decrease, depends on the vacuum Remains constant Increases Decreases May increase or decrease, depends on the vacuum Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Both solids & liquids Solids Gases Liquids Both solids & liquids Solids Gases Liquids ANSWER DOWNLOAD EXAMIANS APP
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