Heat Transfer Water always boils when its Vapour pressure equals 76 cm of Hg Temperature reaches 100° C Saturated vapour pressure is less than the atmospheric pressure Saturated vapour pressure equals the external pressure on its surface Vapour pressure equals 76 cm of Hg Temperature reaches 100° C Saturated vapour pressure is less than the atmospheric pressure Saturated vapour pressure equals the external pressure on its surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances. Geometric mean Average Sum Product Geometric mean Average Sum Product ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The most conducive surface for dropwise condensation to occur is the __________ surface. Glazed & polished Oily Coated Smooth Glazed & polished Oily Coated Smooth ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vent pipes are provided in a condenser to Purge the condenser None of these Facilitate easy cleaning of tubes Remove non-condensable gases Purge the condenser None of these Facilitate easy cleaning of tubes Remove non-condensable gases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Corrosiveness of steam condensate is due to the presence of Dissolved O₂ Neither A nor B CO₂ Both A & B Dissolved O₂ Neither A nor B CO₂ Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are Nu, Pr, Re Re.Gz Nu, Gz Nu, Pr Nu, Pr, Re Re.Gz Nu, Gz Nu, Pr ANSWER DOWNLOAD EXAMIANS APP