Heat Transfer In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred By heating an intermediate material (like chequor bricks) and then heating the air from this hot material None of these Through a metallic wall By direct contact of hot flue gas with air By heating an intermediate material (like chequor bricks) and then heating the air from this hot material None of these Through a metallic wall By direct contact of hot flue gas with air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of an ideal solution Both B and C Decreases rapidly with temperature rise Increases rapidly with temperature rise In independent of pressure Both B and C Decreases rapidly with temperature rise Increases rapidly with temperature rise In independent of pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film boiling occurs at __________ pressure. very high negative atmospheric none of the listed here very high negative atmospheric none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Small scale evaporation is done in a Condenser Heat exchanger Multiple effect evaporator Steam jacketed kettle Condenser Heat exchanger Multiple effect evaporator Steam jacketed kettle ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is Forward None of these Backward Parallel Forward None of these Backward Parallel ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water always boils when its 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 Vapour pressure equals 76 cm of Hg Temperature reaches 100° C Saturated vapour pressure is less than the atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
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