Heat Transfer An insulator should have Less resistance to heat flow A porous structure High thermal conductivity Low thermal conductivity Less resistance to heat flow A porous structure High thermal conductivity Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the Sum of all resistances Maximum resistance in the series Average of all resistances Minimum resistance presents in the series Sum of all resistances Maximum resistance in the series Average of all resistances Minimum resistance presents in the series ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A graph between __________ is called Wilson plot. 1/U Vs . 1/v0.8 1/U Vs . 1/V V0.8 Vs . U 1/v0.8 Vs . U 1/U Vs . 1/v0.8 1/U Vs . 1/V V0.8 Vs . U 1/v0.8 Vs . U 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 less than the boiling point of the liquid Very large vapour space is necessary Temperature of the heating surface is more 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 less than the boiling point of the liquid Very large vapour space is necessary Temperature of the heating surface is more than the boiling point of the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is achieved in __________ flow. Turbulent Laminar Co-current Counter-current Turbulent Laminar Co-current Counter-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscosity of gases __________ with increase in temperature. Increase very rapidly Increase slowly Remain unaffected Decrease slowly Increase very rapidly Increase slowly Remain unaffected Decrease slowly ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS