Heat Transfer A BTU/hr.ft.2 °F is equal to None of these 1 kcal/hr. m².°K 4.88 kcal/hr. m.2°C 1 kcal/hr. m²°C None of these 1 kcal/hr. m².°K 4.88 kcal/hr. m.2°C 1 kcal/hr. m²°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. Current Voltage Resistance None of these Current Voltage Resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In sub-cooled boiling, Bubbles from heating surface are absorbed by the mass of the liquid Temperature of the heating surface is more than the boiling point of the liquid Very large vapour space is necessary 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 Temperature of the heating surface is more than the boiling point of the liquid Very large vapour space is necessary Temperature of the heating surface is less than the boiling point of the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Fourier number (defined as a.t/L²) is used in the analysis of problem involving heat transfer by Forced convection Steady state conduction Natural convection Transient conduction Forced convection Steady state conduction Natural convection Transient conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Air Dowtherm Molten sodium Water Air Dowtherm Molten sodium Water ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is Infinity Zero Same as average heat transfer co-efficient for tube side None of these Infinity Zero Same as average heat transfer co-efficient for tube side None of these ANSWER DOWNLOAD EXAMIANS APP