Heat Transfer Heat waves Can be reflected by a mirror Both B and C Travel in straight line Can not pass through vacuum Can be reflected by a mirror Both B and C Travel in straight line Can not pass through vacuum 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 In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. Low pressure None of these Pool Nucleate Low pressure None of these Pool Nucleate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation occurs on __________ surfaces smooth clean polished clean and dirt free contaminated cooling smooth clean polished clean and dirt free contaminated cooling ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate described by Fourier's law will decrease, if the __________ increases. Heat transfer area Thickness Temperature difference Thermal conductivity Heat transfer area Thickness Temperature difference Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. None of these Transmits Absorbs Reflects None of these Transmits Absorbs Reflects ANSWER DOWNLOAD EXAMIANS APP
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