Heat Transfer Water always boils when its Saturated vapour pressure equals the external pressure on its surface Temperature reaches 100° C Saturated vapour pressure is less than the atmospheric pressure Vapour pressure equals 76 cm of Hg Saturated vapour pressure equals the external pressure on its surface Temperature reaches 100° C Saturated vapour pressure is less than the atmospheric pressure Vapour pressure equals 76 cm of Hg ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of non-metallic amorphous solids None of the listed here decreases remains same increases None of the listed here decreases remains same increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in No effect on economy Decreased economy Lower capacity Increased economy No effect on economy Decreased economy Lower capacity Increased economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer. the largest the least no lower the largest the least no lower ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer by radiation from a mild steel surface is to be reduced by reducing the emissivity of the surface. This can be best achieved by Giving the surface a mirror finish Roughening the surface Painting the surface white (with aluminium paint) Painting the surface black Giving the surface a mirror finish Roughening the surface Painting the surface white (with aluminium paint) Painting the surface black ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which type of heat exchanger is preferred for heavy heat loads ? Plate fine Double pipe None of the listed here Series and parallel set of shell and tube Plate fine Double pipe None of the listed here Series and parallel set of shell and tube ANSWER DOWNLOAD EXAMIANS APP
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