Heat Transfer In a single evaporator system, the steam economy __________ by creating vacuum in the evaporator. May increase or decrease, depends on the vacuum Decreases Increases Remains constant May increase or decrease, depends on the vacuum Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Stefan-Boltzman law applies to __________ body black None of the listed here grey white black None of the listed here grey white ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For specified tube outside diameter, higher BWG means higher none of the listed here tube thickness weight per unit length cross-sectional area none of the listed here tube thickness weight per unit length cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. Current Resistance None of these Voltage Current Resistance None of these Voltage ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which one gives the monochromatic emissive power for black body radiation ? Stefan-Boltzman law Planck's law Wien's law Kirchhoffs law Stefan-Boltzman law Planck's law Wien's law Kirchhoffs law 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 Painting the surface white (with aluminium paint) Painting the surface black Roughening the surface Giving the surface a mirror finish Painting the surface white (with aluminium paint) Painting the surface black Roughening the surface ANSWER DOWNLOAD EXAMIANS APP
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