In a four-storey building with an overhead head tank located at the roof deck. Which floor has the highest water pressure at point of use? fourth floor Basement Ground floor roof deck
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- 1-D flow.Water flows over a spillway into a sluice 10m wide. Before the jump the water has a depth of 1m and a velocity of 18m/s. Determine the Froude number before the jump.How much flow can intake hose with a 5 sq.cm pass without exceeding the max. The flow (gallons per minute or 1/min). Ans is 4fps or 1.2m/sec.
- What is the size (ft) of the grille needed to pass 180 cfm at 60 ft/min velocity? Assume free air at 80%.Determine the energy loss due to a sudden enlargement from a standard DN 25 Schedule 80 steel pipe to a DN 90 mm Schedule 80 steel pipe when the rate of flow is 3 x 10-3 m³/s.Q1.Design a VIP latrine for a family of eight. The family uses water for anal cleansing. The groundwater table is only 2.0 m below the ground surface.
- A. Assuming sea water to be incompressible with a specific weight of 64.0 lb ft-3. what is the pressure in tons per square foot 2 miles below the surface of the ocean?B. A 40-mm-diameter circular pipe carries water at 20°C. Calculate the largest flow rate for which laminar flow can be expected (in m3 sec-1).Gate B below is 30 cm high, 60 cm wide into the paper, and hinged at the top. If the water depth is h = 75 cm, what pressure is required in the adjacent air compartment for the gate to remain closed as shown? Take the specific weight of the water as γwater = 9810 N/m^3Water is flowing at the rate of 300 lit/sec from A to E as shown. Compute the fiow in each pipe in lit/sec and the total head loss. Assume f = 0.025 for all pipes.
- The horizontal orifice (sharp-edge) is 3.88 in. in diameter with Cc = 0.65, Cv = 0.97. When the height of water in the open tank is 15 ft measured from the line of the orifice, neglecting air resistance, compute the height to which the jet will rise above the plane of orifice. What will be the diameter of the jet 3 ft above the vena contracta?A main air supply plenum for a room supplies air to 4 diffusers. The plenumhas a flow of 150 cu ft/min. Diffuser 1 has a flow of 45 cu ft/min, diffuser 2 hasa flow of 40 cu ft/min, and diffuser 3 has a flow of 25 cu ft/min. What is theairflow through the fourth diffuser?A nozzle at A discharges water with an initial velocity of 36 ft/s at an angle α with the horizontal. Determine the distance d to the farthest point B in feet on the roof that the water can reach. Answer = 7.7246