Heat Transfer The heat flux in the nucleate boiling regimes is proportional to (where, ΔT = excess temperature) (ΔT)⁴ (ΔT)³ (ΔT)² √(ΔT) (ΔT)⁴ (ΔT)³ (ΔT)² √(ΔT) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Increase the heating load Account for the uneven expansion of shell and tube bundles Facilitate increase of shell length, if needed Impart structural strength Increase the heating load Account for the uneven expansion of shell and tube bundles Facilitate increase of shell length, if needed Impart structural strength ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a conducting solid material depends upon its temperature None of the listed here both temperature & porosity porosity temperature None of the listed here both temperature & porosity porosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Liquid density Hot surface temperature Interfacial tension Liquid viscosity Liquid density Hot surface temperature Interfacial tension Liquid viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Counter-current Cross-current Direct contact Co-current Counter-current Cross-current Direct contact Co-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Log mean temperature difference (LMTD) cannot be used, if the heat capacity is not constant and there is a phase change. heat transfer co-efficient over the entire heat exchanger is not constant none of the listed here there exists an unsteady state the heat capacity is not constant and there is a phase change. heat transfer co-efficient over the entire heat exchanger is not constant none of the listed here there exists an unsteady state ANSWER DOWNLOAD EXAMIANS APP
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