Heat Transfer In a shell and tube heat exchanger, square pitch compared to triangular pitch Gives a lower shell side pressure drop None of these Can pack more surface area into a shell of given diameter Gives a higher shell side pressure drop Gives a lower shell side pressure drop None of these Can pack more surface area into a shell of given diameter Gives a higher shell side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T² Q ∝ T³ Q ∝ T⁴ None of these Q ∝ T² Q ∝ T³ Q ∝ T⁴ None of these 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 Parallel flow with process stream on tube side Parallel flow with process stream on shell side Counter flow with process stream on shell side Counter flow with process stream on tube side Parallel flow with process stream on tube side Parallel flow with process stream on shell side Counter flow with process stream on shell side Counter flow with process stream on tube side ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a multipass shell and tube heat exchanger, providing a baffle on the shell side __________ the heat transfer rate. May increase or decrease, depends on the type of baffle Increases Decreases Does not affect May increase or decrease, depends on the type of baffle Increases Decreases Does not affect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the Nusselt number is a function of Re and Pr Re and Sc Pr and Gr Re and Gr Re and Pr Re and Sc Pr and Gr Re and Gr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam is routed through the tube in case of a __________ evaporator. Basket type Short tube vertical Horizontal tube Long tube vertical Basket type Short tube vertical Horizontal tube Long tube vertical ANSWER DOWNLOAD EXAMIANS APP
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