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It was originally defined as the rate of heat transfer that results in the freezing or melting of 1 short ton (2,000 lb; 907 kg) of pure ice at 0 °C (32 °F) in 24 hours. [ 1 ] [ 2 ] The modern definition is exactly 12,000 Btu IT /h (3.516853 kW ).
Air conditioning can be achieved using a mechanical 'air conditioner' or by other methods, including passive cooling and ventilative cooling. [ 2 ] [ 3 ] Air conditioning is a member of a family of systems and techniques that provide heating, ventilation, and air conditioning (HVAC) . [ 4 ]
The 1 + 1 ⁄ 4 ton M880-series was based on the Dodge W200, a 3 ⁄ 4 ton capacity 4×4 civilian/commercial truck. The 880/890 had a 2,500 lb cargo rating, enabling it to have a 5 ⁄ 4-ton load rating. The similar 1 + 1 ⁄ 4 ton M890-series was based on the Dodge D200, a 3 ⁄ 4 ton capacity 4×2 civilian/commercial truck.
As of April 2020, the Alaska State Defense Force, [26] the California State Guard, [27] the Governor's Guards of Connecticut, [28] the Georgia State Defense Force, [29] the Indiana Guard Reserve, [30] the Maryland Defense Force, [31] the New York Guard, [32] the Ohio Military Reserve, [33] the South Carolina State Guard, [34] the Tennessee ...
Heating, ventilation, and air conditioning (HVAC) is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space.
The Walk-Thru was offered in 1 + 1 ⁄ 2-ton, 2-ton and 3-ton van and cab-chassis variants with a choice of diesel or petrol engines. [37] This van was also built in Spain by Santana Motors, beginning in 1964. Todd Motors in Petone, New Zealand, made a short run of these vehicles during 1970, however they were not a successful model.
Except Wairarapa Line beyond Upper Hutt. Since 2011, the nominal voltage was 1600 V but with the same tolerances as 1500 V (i.e. 1300–1800 V), making it backwards-compatible with 1500 V rolling stock. Since May 2016 the operating voltage was increased to 1700 V DC following the full introduction of the Matangi EMUs. Philippines: Metro Manila
They are also found on some RVs for connecting to shore power. RVs in the US are equipped for 120 V 30 A or 240 V 50 A service, and use a cord to connect to a receptacle at the campsite, usually on a power pedestal with one or more receptacles providing 120 V 30 A (TT30R), 240 V 50 A (14-50R), or 120 V 15/20 A (5-20R) service.