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Problem: A pump is to be selected for a waterfall in a garden. The water collects in a pond at the bottom, and the elevation difference between the free surface of the pond and the location where the water is discharge is 3m. The flow rate of water is to be at least 8 L/s.
(i) Select an appropriate motor-pump unit for this job and
(ii) Identify three manufacturers with product model numbers and prices.
(iii) Make a selection and explain why you selected that particular product.
Estimate the number of filters required and calculate the area of each filter (ft2), assuming that a length-to-width ratio (L:W) of 4:1 is employed in constructing the rapid sand filters and suing a filtration rate of 6 gpm/ft2.
why the prediction are less than the observed result of connection in tension experiment?
When a 60 kg boy floats in the pool 93% of his body is submerged. How much force must he exert to stay submerged on the bottom of the pool to remain fully submerged
Items are inspected for flaws by two quality inspectors. If a flaw is present, it will be detected by the first inspector with probability 0.9, and by the second inspector with probability 0.7. Assume the inspectors function independently.
A variety of procurement strategies are available to the construction clients under different circumstances. The common strategies adopted by international clients include deisgn-bid-build (DBB), design-and-build (D&B), management contracting (MC), c..
The atmospheric pressure at a location is usually specified at standard conditions, but it changes with the weather conditions. As the weather forecasters frequently state, the atmospheric pressure drops during stormy weather
The true bearing of the line a-b is S 88*50' W, the magnetic bearing of the line d-c is N 89*45' E. What is the magnetic declination
A line passes through the points (20m, 16m) and (-1m, -4m). Determine the perpendicular distance d from the line to the origin O of the system of coordinates.
Show that the model and prototype Reynolds numbers are not equal, but sufficiently large for approximate dynamic similitude. For the length scale in the Reynolds number, does it make a dierence if you choose building height or building width? Which d..
The engineer in charge of this project investigated severla alternatives to cool the exhaust gas and has concluded that the two most practical solutions would be either the installation of a waste heat boiler or the installation of a spray injecti..
A body with a mass of 250 kg is supported by the flexible cable system. Determine by analysis which of the cable A, B, C, or D has the largest tension.
The behaviour of structural materials using comparative statement when they are formed into structural member
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