Air (cp = 1005 j/kg·k) enters a crossflow heat exchanger at 20°c at a rate of 3 kg/s, where it is heated by a hot water stream (cp = 4190 j/kg·k) that enters the heat exchanger at 70°c at a rate of 1 kg/s. determine the maximum heat transfer rate and the outlet temperatures of both fluids for that case.

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in baseband transmission the whole bandwidth of the cable is utilized by a single signal. eg.Ethernet is using Basebands for LAN.

In the broadband transmission, multiple signals are sent on multiple frequencies simultaneously using a single channel. eg.Digital Subscriber Line (DSL)