Heat and Mass Transfer The highest thermal diffusivity is of Iron Lead Concrete Wood Iron Lead Concrete Wood ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Pick up the wrong case. Heat flowing from one side to other depends directly on Temperature difference Time Thickness Face area Temperature difference Time Thickness Face area ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following is the case of heat transfer by radiation? Cooling of parts in furnace Heating of building Heat received by a person from fireplace Blast furnace Cooling of parts in furnace Heating of building Heat received by a person from fireplace Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Planck’s law holds good for all coloured bodies polished bodies black bodies All of these all coloured bodies polished bodies black bodies All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The value of Prandtl number for air is about 0.3 0.1 1.7 0.7 0.3 0.1 1.7 0.7 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Total emissivity of polished silver compared to black body is More or less same Higher Same Very much lower More or less same Higher Same Very much lower ANSWER DOWNLOAD EXAMIANS APP
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