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. None of the listed here laminar transition highly turbulent None of the listed here laminar transition highly turbulent ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is concerned with both heat and mass transfer ? Nusselt number Lewis relationship Froude number Kutateladze number Nusselt number Lewis relationship Froude number Kutateladze number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynolds analogy are same, when Prandtl number is > 2 1 1.5 0.5 > 2 1 1.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In sub-cooled boiling, Bubbles from heating surface are absorbed by the mass of the liquid Very large vapour space is necessary Temperature of the heating surface is more than the boiling point of the liquid Temperature of the heating surface is less than the boiling point of the liquid Bubbles from heating surface are absorbed by the mass of the liquid Very large vapour space is necessary Temperature of the heating surface is more than the boiling point of the liquid Temperature of the heating surface is less than the boiling point of the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor Accounts for additional resistances to heat flow None of these Does not provide a safety factor for design Is a dimensionless quantity Accounts for additional resistances to heat flow None of these Does not provide a safety factor for design Is a dimensionless quantity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l010 3 x l05 3 x l012 3 x l08 3 x l010 3 x l05 3 x l012 3 x l08 ANSWER DOWNLOAD EXAMIANS APP
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