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- A concrete cooling water tank with dimensions 7 m by 12 m by 0.5 m deep, isfilled to the brim with 85oC water (β = 3.7 x 10-4 oC-1). Assuming the tank size remains constant,how far will the level drop by the time the water has been cooled to 25oC?A 4.0 MW fire burns at 1 m above the floor in a large warehouse with a 5.0 m flat ceiling height. What are the ceiling jet temperatures and velocities i. directly above the fire ii. at a radial distance of 2.0 m?A main vent pipe is to be installed to serve 4 water closets, 2 urinals, 3 shower baths, 3 wash basins, and 6 floor drains for a 10-m high residential building. Compute the total fixture units for the said building
- 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.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.Estimate the total installed cost (in 1998 dollars) of the baghouse of Problem 6,11, assuming it is mild steel, is uninsulated, and uses 6-inch Nome^ bags on cages that snap in from the top, with built-in venturis.
- A 50 mmϕ horizontal jet of water with a discharge of 0.054 m3/s strikes a vertical al at 90o to the wall. What is the force exerted on the wall?Solve for what is being required. Room dimensions are: LxWxH = 8.50 m, 5.0 m, 3m. Originally, the room had linoleum flooring with an absorption coefficient of 0.03. Two opposite walls were cladded with unglazed bricks with an absorption coefficient of 0.02, the one having the entrance gypsum door (2.1 m X 0.80 m) with 0.05 abs.co.; the other two were just bare concrete with sliding glass window openings of 1.80m x 1.20 m each; the bare concrete with an abs.co. Of 0.31 and the window glass with 0.18, the ceiling, too , had bare concrete as its finish at 500 Hz. The client would like to renovate the space into an acoustical studio room and would like to change the ceiling and the flooring. The ceiling will have a vinyl faced fiberglass panel with an abs.co. of 0.71, and the floor will have mineral fiber tiles with an abs.co. Of 0.66, all at 500 Hz.While the pressure remains constant at 85 psig, the volume of air changes from 20 ft3 to 12 ft3. Find the amount of work done on or by the closed system?
- A magnetic strip fits around the grill of this air-conditioning unit. How longmust the strip be to completely fit around the grill?Answer ONLY items 5-8. Room dimensions are: LxWxH = 8.50 m, 5.0 m, 3m. Originally, the room had linoleum flooring with an absorption coefficient of 0.03. Two opposite walls were cladded with unglazed bricks with an absorption coefficient of 0.02, the one having the entrance gypsum door (2.1 m X 0.80 m) with 0.05 abs.co.; the other two were just bare concrete with sliding glass window openings of 1.80m x 1.20 m each; the bare concrete with an abs.co. Of 0.31 and the window glass with 0.18, the ceiling, too , had bare concrete as its finish at 500 Hz. The client would like to renovate the space into an acoustical studio room and would like to change the ceiling and the flooring. The ceiling will have a vinyl faced fiberglass panel with an abs.co. of 0.71, and the floor will have mineral fiber tiles with an abs.co. Of 0.66, all at 500 Hz.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.