Heat Transfer Thermal conductivity of a conducting solid material depends upon its porosity None of the listed here both temperature & porosity temperature porosity None of the listed here both temperature & porosity temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The interchange factor for radiation heat transfer from surface 'x' to surface 'y' in case of an infinite parallel planes with emis-sivities εx & εy is given by Εx . εy Εx + εy (εx + εy)/(εx + εy - εx . εy) 1/εx + 1/εy Εx . εy Εx + εy (εx + εy)/(εx + εy - εx . εy) 1/εx + 1/εy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing bleed points in the evaporator is to Facilitate removal of non-condensable gases Remove the product Create vacuum Admit the feed Facilitate removal of non-condensable gases Remove the product Create vacuum Admit the feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a parallel flow heat exchanger, if the outlet temperature of hot and cold fluids are the same, then the log mean temperature difference (LMTD) is Minimum Infinity Zero Maximum Minimum Infinity Zero Maximum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In counter flow compared to parallel flow, Less surface area is required for a given heat transfer rate More surface area is required for a given heat transfer rate LMTD is greater Both A and B Less surface area is required for a given heat transfer rate More surface area is required for a given heat transfer rate LMTD is greater Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is Zero 1 <1 >1 Zero 1 <1 >1 ANSWER DOWNLOAD EXAMIANS APP
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