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Loose tomatoes for sale at a UK greengrocer in 2013, dual-priced in imperial (£0.99 /lb) and metric (£2.18 /kg) units. Signs like these do not comply with legislation, as metric prices must not be less prominent. [1] [2] Metrication is the act or process of converting to the metric system of measurement.
For gas metering, gas orifice meters and ultrasonic flow meters are most common. [34] Coriolis meters are in use for liquid measurements, but can also take gas measurement applications. [35] For the application of allocation measurements, multiphase flow meters have been adopted, especially for subsea production systems. These equipments are ...
The oil and gas industry in the United Kingdom produced 1.42 million BOE per day [4] in 2014, of which 59% [4] was oil/liquids. In 2013 the UK consumed 1.508 million barrels per day (bpd) of oil and 2.735 trillion cubic feet (tcf) of gas, [5] so is now an importer of hydrocarbons having been a significant exporter in the 1980s and 1990s.
The earliest Boulton and Watt gas holders had a single lift. The tank was above ground and was lined with wood; the lift was guided by tripods and cables. Pulleys and weights were supplied to regulate the gas pressure. [13] Brick tanks were introduced in 1818, when a gas holder could have a capacity of 20,000 cubic feet (570 m 3).
Yet other definitions are in use for industrial gas, [5] where, in the US, a standard cubic foot for industrial gas use is defined at 70 °F (21.1 °C) and 14.696 psia (101.325 kPa), while in Canada, a standard cubic meter for industrial gas use is defined at 15 °C (59 °F) and 101.325 kPa (14.696 psia).
Since the early 1990s, many fuel gauges have included an icon with a fuel pump and an arrow, indicating the side of the vehicle on which the fuel filler is located. [ 5 ] [ 6 ] The use of the icon and arrow was invented in 1986 by Jim Moylan, a designer for Ford Motor Company .
Fossil fuel consumption in the UK. Since the 1990s, coal use declined while natural gas use increased. In 2022, the United Kingdom's total energy supply (TES) was primarily composed of natural gas, contributing 39.4%, followed by oil at 34.8%, nuclear power at 8.1%, and coal at 3.2%.
A rating of 90 does not mean that the gasoline contains just iso-octane and heptane in these proportions, but that it has the same detonation resistance properties (generally, gasoline sold for common use never consists solely of iso-octane and heptane; it is a mixture of many hydrocarbons and often other additives).