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VLOM, meaning Village Level Operation and Maintenance, is a term first used during the UNDP and World Bank Rural Water Supply Hand Pumps Project. This project lasted from 1981 to 1991, and studied the availability and maintenance of hand pump systems. 40 kinds of hand pumps were analyzed in laboratories, and the performance of 2700 hand pumps ...
The coil pump, if fitted with a suitable rotating seal, can deliver water to a greater height, typically 5-10m, above their discharge opening. [2] Despite the emergence of new pumps that operate on other principles, the coil pump remains an important tool as some of it other benefits are that they can be built and repaired easily at a very low ...
The ship's principal fire suppression equipment comes in the form of four 5,000-US-gallon (19,000 L; 4,200 imp gal) per-minute water pumps. In addition to pumping water, the ship's firefighting apparatus can tap an integrated 6,000-US-gallon (23,000 L; 5,000 imp gal) foam tank for use against chemical-fueled fires. [ 2 ]
The device uses the water hammer effect to develop pressure that allows a portion of the input water that powers the pump to be lifted to a point higher than where the water originally started. The hydraulic ram is sometimes used in remote areas, where there is both a source of low-head hydropower and a need for pumping water to a destination ...
Depending on the size of the pump, it generally produces 5 to 40 litres (1 to 9 imp gal; 1.5 to 10.5 US gal) of liquid at each stroke. Often this is an emulsion of crude oil and water. Pump size is also determined by the depth and weight of the oil to remove, with deeper extraction requiring more power to move the increased weight of the ...
Donald Trump holds hands with wife Melania Trump at his Election Night Watch Party at the Palm Beach County Convention Center after being elected the 47th President of the United States.
Some modern fireboats are capable of pumping tens of thousands of gallons of water per minute. An example is Fire Boat #2 of the Los Angeles Fire Department, the Warner Lawrence, with the capability to pump up to 38,000 US gallons per minute (2.4 m 3 /s; 32,000 imp gal/min) and up to 400 feet (122 m) in the air.
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