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 By direct contact of hot flue gas with air None of these Through a metallic wall By heating an intermediate material (like chequor bricks) and then heating the air from this hot material By direct contact of hot flue gas with air None of these Through a metallic wall ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the Nusselt number is a function of Re and Sc Re and Pr Pr and Gr Re and Gr Re and Sc Re and Pr Pr and Gr Re and Gr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Is more economical Occupies smaller space All of these Is easy to operate and maintain Is more economical Occupies smaller space All of these Is easy to operate and maintain ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer During crystallisation, formation of crystal can occur in __________ solution only. Undersaturated Saturated All of these Supersaturated Undersaturated Saturated All of these Supersaturated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A process stream of dilute aqueous solution flowing at the rate of10 Kg.s⁻¹ is to be heated. Steam condensate at 95°C is available for heating purpose, also at a rate of 10 Kg.s⁻¹. A 1 - 1 shell and tube heat exchanger is available. The best arrangement is Counter flow with process stream on shell side Parallel flow with process stream on tube side Counter flow with process stream on tube side Parallel flow with process stream on shell side Counter flow with process stream on shell side Parallel flow with process stream on tube side Counter flow with process stream on tube side Parallel flow with process stream on shell side ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscous & heat sensitive liquids are concentrated in __________ evaporators. Long tube Agitated film None of these Open pan Long tube Agitated film None of these Open pan ANSWER DOWNLOAD EXAMIANS APP
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