Ethanol with a density of 789 kg/m3 moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is P1 = 1.90 ✕ 104 Pa, and the pipe diameter is 5.00 cm. At another point y = 0.35 m higher, the pressure is P2 = 1.15 ✕ 104 Pa, and the pipe diameter is 2.50 cm. (a) Find the speed of flow (in m/s) in the lower section. (b) Find the speed of flow (in m/s) in the upper section. (c) Find the volume flow rate (in m3/s) through the pipe.

Air enters a nozzle with P1 = 585 kPa, T1 = 195 C, and V1 = 100 m/s. If the air exits to the atmosphere where the pressure is 85 kPa, find exiting velocity, assuming an adiabatic process.

Consider the mechanical energy equation: P + VB? + gzB =PA + V? + g ZA + w – loss A +g ZA + W – loss where loss 2 0 Select ALL true statements below. a fluid particle will flow through point A before point B a fluid particle will flow through point B before point A points A and B do not lie on the same streamline if a turbine is present, w < 0 if a pump is present, w < 0 if the fluid is perfectly inviscid, loss can be 0

(b) Water enters a two-armed lawn sprinkler along the vertical axis at a rate of 50 L/s, and leaves the sprinkler nozzles as 2 cm diameter jets at an angle (0) from the tangential direction, as shown in Figure Q3(b). The length of each sprinkler arm is 0.55 m. Disregarding any frictional effects, determine the rate of rotation of the sprinkler in rev/min for (i) 0 = 0° and (ii) 0 = (last two digit of your ID number)° Radius = 0.55 m Figure Q3(b)