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Chosen to power the Falcon 2000 in 1990, the engine was also first run in May 1990, [1] and it was first flown on a Boeing 727 testbed on 31 August 1992. [2] The CFE738-1 made its inaugural flight on a Falcon 2000 prototype on March 4, 1993.
The tests require engine manufacturers to carry out at least two tests of the engine, to make sure that the engine can survive a compressor or fan blade breaking off within the engine and a turbine blade breaking off within the engine, without fragments being thrown through the outside enclosure of the engine, creating a contained engine failure.
18 blade fan. The LEAP [13] incorporates technologies that CFM developed as part of the LEAP56 technology acquisition program, which CFM launched in 2005. [14] The engine was officially launched as LEAP-X on 13 July 2008. [9] It is intended to be a successor to the CFM56. In 2009, COMAC selected the LEAP engine for the C919. [15]
In North America, the National College Health Assessment (NCHA) for spring 2019 reported that 6.4% of students used cigarettes within the last 30 days, 12.6% used e-cigarettes, and 2.1% used water pipes (also known as shisha or hookah). [80] In each category, use of tobacco products by men was more frequent. [80]
The American College Health Association National College Health Assessment did a survey of over 20,000 students across the United States and found that almost 16% were diagnosed with depression. [15] Within that same study, it was found that 10.3% of the initial surveyed students had contemplated attempting suicide within the last year before ...
The GE Passport is a high bypass ratio turbofan. The engine is a twin-spool, axial-flow turbofan with a high bypass ratio of 5.6:1 and an overall pressure ratio of 45:1. The front fan is attached to the three-stage low-pressure compressor; the 23:1 pressure ratio 10-stage high-pressure compressor includes five blisk stages for weight reduction.
As an information sharing courtesy to its members, CACUSS posts health data from the National College Health Assessment (NCHA). [7] This nationally recognized research survey is administered in Canada every three years by the American College Health Association. The NCHA is a comprehensive assessment of college student health and it examines:
The American College Health Association (ACHA) is a Silver Spring, Maryland-based organization of college health professionals throughout the United States. [1] It was founded in 1920 as the American Student Health Association (ASHA), obtaining its current name in 1948. [2] Over 800 higher education institutions are members of the ACHA, as of 2019.