Part A Head loss A gate valve is being used as a shut-off valve in a pipe system. When the valve is fully open,

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Part A Head loss A gate valve is being used as a shut-off valve in a pipe system. When the valve is fully open, the flow through the 8-cm diameter pipe is 50 L/min. What is the head loss at the gate valve? One liter is 0.001 cubic meters. Express your answer in m to three significant figures. View Available Hint(s) 11 vec hL=3197.25 m Submit Previous Answers Incorrect; Try Again; One attempt remaining Part B Pressure drop The flow of water in a pipe passes through a sudden expansion from d = 5 cm to d = 9 cm. If the flow rate is Q=0.04 m/s, what is the pressure drop due to expansion? The specific weight of water is yw 9.802 kN/m Express your answer in kPa to three significant figures. View Available Hint(s) 11 vec Ap= Submit Previous Answers ? wpwmenuny, 110 wwwnnw WHO IS IN THE BIG DU For expansions and contractions, the loss coefficient is calculated using the velocity for the smaller diameter pipe The table below gives some representative values for various minor head losses. These are representative only, and a more complete table would account for different kinds of fittings and connections (like threaded or soldered). Fitting Well-rounded entrance0.15 Flush entrance Re-entrant pipe Discharge pipe Sudden contraction (d to d) Sudden expansion (d, to d) Gate valve-fully open Globe valve-fully open 90" elbow 45 bend Tee along pipe run Tee along branch KL 0.04 0.5 1.0 1.0 (Figure 1) (1-4) 0.19 10 0.90 0.40 0.40 1.8 Figure 0.6p 0.4 K 0.2 0.2 04 0.6 0.8 1.0 414 kPa

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