Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Grashoff Both A & B Prandtl & Grashoff Reynolds Grashoff Both A & B Prandtl & Grashoff Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone. highly turbulent laminar None of the listed here transition highly turbulent laminar None of the listed here transition ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. Resistance None of these Current Voltage Resistance None of these Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has maximum thermal conductivity? Iron Coal Tar Nitrogen Iron Coal Tar Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the temperature gradient at the wall to Temperature difference None of these Heat flux That across the entire pipe Temperature difference None of these Heat flux That across the entire pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator as compared to a single effect evaporator of the same capacity has Lower steam economy Higher steam economy Higher solute concentration in the product Lower heat transfer area Lower steam economy Higher steam economy Higher solute concentration in the product Lower heat transfer area ANSWER DOWNLOAD EXAMIANS APP
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