A helix is made of 2-in schedule 40 pipe turned up to 21 giving a diameter of 1.5625 m. The liquid is entering  through the coil at a temperature of 45 oC and leaving at 35oC. The average wall tube temperature is given to  be 35oC. The volumetric flowrate of 2-propanol entering is .00279 m3  /s. Calculate the frictional pressure drop  in a straight pipe and the pressure drop in coil. (Use equation 6-37 of Perry’s Handbook (9th edition) to  calculate for fanning friction factor

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