Heat Transfer Reason for operating an evaporator in multiple effect is to secure Increased capacity Both A and B Decreased steam consumption Increased steam economy Increased capacity Both A and B Decreased steam consumption Increased steam economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Water Molten sodium Air Dowtherm Water Molten sodium Air Dowtherm ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the None of these Temperature gradient of the wall to that across the entire pipe Heat flux at the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall None of these Temperature gradient of the wall to that across the entire pipe Heat flux at the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The wavelength at which the maximum monochromatic emissive power occurs for a black body, is (where, T = absolute temperature of the black body) αT α 1/T Independent of T α T⁴ αT α 1/T Independent of T α T⁴ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Occupies smaller space All of these Is more economical Is easy to operate and maintain Occupies smaller space All of these Is more economical Is easy to operate and maintain ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by Convection Conduction Eddies current None of these Convection Conduction Eddies current None of these ANSWER DOWNLOAD EXAMIANS APP
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