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The MP15AC is 1.5 ft (457 mm) longer than an MP15DC, the extra space being needed for the rectifier equipment. The alternator-rectifier combination is more reliable than a generator, and this equipment became the standard for new diesel-electric locomotive designs.
This requires a quality assurance test to identify the possibility of leaks. A common procedure in the industry is to perform a pressure test on the tank. All holes are temporarily plugged and the fuel tank is pressurized with air. A gauge is used to monitor the air pressure. A drop in pressure reveals a leak in the tank.
The EMD MP15AC is a 1,500 hp (1,120 kW) diesel road switcher locomotive built by General Motors' Electro-Motive Division between August 1975 and August 1984. A variant of the EMD MP15DC with an AC/DC transmission, 246 examples were built, including 25 for export to Mexico, and four built in Canada.
Actual cubic feet per minute (ACFM) is a unit of volumetric flow. It is commonly used by manufacturers of blowers and compressors. [1] This is the actual gas delivery with reference to inlet conditions, whereas cubic foot per minute (CFM) is an unqualified term and should only be used in general and never accepted as a specific definition without explanation.
d, density of air in kilograms per cubic meter (1.20 kilograms per cubic meter at standard conditions) This represents the highest speed of the air in the flow path of a normally shaped port, at or near the section of minimum area (through the valve seat at low values of L/D for instance). That would not apply to other shapes such as a venturi ...
15 kV/16.7 Hz AC 3 kV DC: Converted from Class 372. 372: Bastard 1988–1991 Škoda Works: 15 kV/16.7 Hz AC 3 kV DC: Same as DB Class 180. 380: Emil Zátopek (official) Messerschmitt, Zázrak (The Miracle), Porsche, Vana (Bathtub), Svářečka (Welding machine) 2008–2011 Škoda Transportation: 25 kV/50 Hz AC 15 kV/16.7 Hz AC 3 kV DC: ČDC 383 ...
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 and refrigeration equipment capacity in the U.S. is often specified in "tons" (of ...
The Mack AC was a heavy cargo truck designed in the 1910s by the American manufacturer Mack Trucks.Introduced in 1916, the Mack AC saw extensive service during the First World War with the British and American armed forces, in British service it was given the nickname the "Bulldog" which led to Mack adopting the Bulldog as its corporate symbol.