Heat Transfer Radiant energy received by a body is proportional to (where, d = the distance between the object emitting radiation and that receiving it.) d1.5 d √d d2 d1.5 d √d d2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation is generally recommended, when the Evaporation on small scale is to be done Corrosive liquids are to be concentrated Large scale evaporation of liquor is needed Fuel is cheaply available Evaporation on small scale is to be done Corrosive liquids are to be concentrated Large scale evaporation of liquor is needed Fuel is cheaply available ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is unimportant in forced convection ? Grashhoff number Reynolds number Prandtl number none of the listed here Grashhoff number Reynolds number Prandtl number none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Calburn analogy is applicable for the value of Prandtl number from 0.001 to 1 0.5 to 5 0.6 to 120 120 to 400 0.001 to 1 0.5 to 5 0.6 to 120 120 to 400 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred Through a metallic wall By heating an intermediate material (like chequor bricks) and then heating the air from this hot material None of these By direct contact of hot flue gas with air Through a metallic wall By heating an intermediate material (like chequor bricks) and then heating the air from this hot material None of these By direct contact of hot flue gas with air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equivalent diameter for pressure drop is __________ that for heat transfer None of the listed here smaller than equal to greater than None of the listed here smaller than equal to greater than ANSWER DOWNLOAD EXAMIANS APP