Heat Transfer Low thermal conductivity of heat insulating materials is due to its Dense structure High proportion of air space None of these High specific heat Dense structure High proportion of air space None of these High specific heat ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In sub-cooled boiling, 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 Bubbles from heating surface are absorbed by the mass of the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A black body does not __________ radiation. Absorb or emit Refract Reflect Both B & C Absorb or emit Refract Reflect Both B & C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The statement that "maximum wavelength of radiation is inversly proportional to the temperature" is __________ law. None of these Wien's displacement Planck's Stefan-Boltzman's None of these Wien's displacement Planck's Stefan-Boltzman's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the heat transfer depends on Re, Gr none of the listed here Re, Pr mainly Gr Re, Gr none of the listed here Re, Pr mainly Gr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 0.5-50 0.38-0.78 100-1000 5-50 0.5-50 0.38-0.78 100-1000 5-50 ANSWER DOWNLOAD EXAMIANS APP
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