Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Either A, B or C Logarithmic Arithmetic Geometric Either A, B or C Logarithmic Arithmetic Geometric ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of heat transfer co-efficient in SI unit is J/m°K W/m°K W/m2°K J/M2°K J/m°K W/m°K W/m2°K J/M2°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number for full developed, laminar, constant property flow in a pipe at uniform heat flux is 18 4.364 83 0.72 18 4.364 83 0.72 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Account for the uneven expansion of shell and tube bundles Facilitate increase of shell length, if needed Increase the heating load Impart structural strength Account for the uneven expansion of shell and tube bundles Facilitate increase of shell length, if needed Increase the heating load Impart structural strength ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water always boils when its Saturated vapour pressure equals the external pressure on its surface Saturated vapour pressure is less than the atmospheric pressure Vapour pressure equals 76 cm of Hg Temperature reaches 100° C Saturated vapour pressure equals the external pressure on its surface Saturated vapour pressure is less than the atmospheric pressure Vapour pressure equals 76 cm of Hg Temperature reaches 100° C 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 <1 >1 1 Zero <1 >1 1 Zero ANSWER DOWNLOAD EXAMIANS APP
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