Heat Transfer Radiation energy is emitted by all the substances, which are above 0°C 0°K 100°C none of the listed here 0°C 0°K 100°C none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Surface area to perimeter Surface area to volume Volume to surface area Perimeter to surface area Surface area to perimeter Surface area to volume Volume to surface area Perimeter to surface area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of steel Decreases Increases Increases exponentially Remains unchanged Decreases Increases Increases exponentially Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be 0.55 0.85 0.35 0.45 0.55 0.85 0.35 0.45 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the Higher condensing film co-efficient is desired Condensate is corrosive in nature Lower pressure drop through the exchanger is desired Temperature of the incoming vapor is very high Higher condensing film co-efficient is desired Condensate is corrosive in nature Lower pressure drop through the exchanger is desired Temperature of the incoming vapor is very high ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In SI units, fouling factor is expressed in m°K/W m²°K/W W/m²°K m²°K m°K/W m²°K/W W/m²°K m²°K ANSWER DOWNLOAD EXAMIANS APP
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