Heat and Mass Transfer Free convection flow depends on Coefficient of viscosity Gravitational force Density All of these Coefficient of viscosity Gravitational force Density All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer A grey body is one whose absorptivity Varies with wavelength of the incident ray Is equal to its emissivity Does not vary with temperature and. wavelength of the incident ray Varies with temperature Varies with wavelength of the incident ray Is equal to its emissivity Does not vary with temperature and. wavelength of the incident ray Varies with temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In a heat exchanger with one fluid evaporating or condensing, the surface area required is least in Counter flow Parallel flow Cross flow All of these Counter flow Parallel flow Cross flow All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Sensible heat factor is given by (where S.H. = Sensible heat, and L.H. = Latent heat) S.H/(S.H + L.H) S.H/(L.H - S.H) (L.H - S.H)/S.H (S.H + L.H) /S.H S.H/(S.H + L.H) S.H/(L.H - S.H) (L.H - S.H)/S.H (S.H + L.H) /S.H ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer An electric cable of aluminium conductor (k = 240 W/mK) is to be insulated with rubber (k = 0.15 W/mK). The cable is to be located in air (h = 6 W/m²). The critical thickness of insulation will be 40 mm 25 mm 800 mm 160 mm 40 mm 25 mm 800 mm 160 mm ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Temperature of steam at around 540°C can be measured by Thermocouple Thermometer Thermistor None of these Thermocouple Thermometer Thermistor None of these ANSWER DOWNLOAD EXAMIANS APP
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