Question 2.Water (p = 1.94 slug/ft³ and uµ = 2.34x105 lb.s/ft²) flows through the coils of the heat exchanger as shown in figure at a rate of 0.9 gal/min. Determine the pressure drop between the inlet and outlet of the horizontal device. 18 in. Q Threaded 180° return bend 0.5-in. copper pipe (drawn tubing)