www.jntuworld.com R07 Code No: 07A62101 Set No. 2 III B.Tech II Semester Examinations‚December 2010 FLIGHT MECHANICS - II Aeronautical Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks 1. Explain the phenomenon of releasing the elevator and its effect on longitudinal stability of an airplane. [16] 2. (a) Explain the term mechanical gearing in the case of directional stability (b) Derive the expression for the rate of change
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The "Fight or Flight" response The flight or fight response‚ also called the "acute stress response" was first described by Walter Cannon in the 1920s as a theory that animals react to threats with a general discharge of the sympathetic nervous system.[4] [5] In response to acute stress‚ acetylcholine is released from preganglionic sympathetic nerves that innervate the chromaffin cells of the adrenal medulla. As a consequence‚ the chromaffin cells secrete the hormone epinephrine (adrenaline)
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Crystal Hairston Jacqueline Whitfield English 112 Artistic Critique Flight of the Butterflies My experience of my cultural event was awesome. I remember going to this type of place in elementary school‚ and I was so excited to relive that experience. Now as a mother‚ I want my son to have the same privilege as I had. I am definitely going to take him the Digital Dome and the Danville Science Center very soon. Although science is not one of my favorite or stronger subjects‚ I thoroughly enjoyed
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My sister Whitney and I were on our flight home from Kenya. We had about two hours left in flight when the flight attendant said that we were experiencing some bad turbulence‚ but not to panic. Whitney was a few years younger than me and didn’t understand exactly what was happening and she immediately freaked out. I told her not to worry about it and we continued to finish our episode of Scream Queens. A couple of minutes later the whole plane started shaking and you could see the fear and panic
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is fascinating‚ but larger ones have other advantages. They are stable and can handle adverse windy conditions in a windy climate. Large helicopters are modified with much more power while on track and barely get the user disoriented during the flight. One drawback is that the kits and engines of these models are much more expensive. There is an advantage to sticking to electric and nitro models when starting off‚ and to obtain a gas powered remote control helicopter
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as an artificial horizon) shows the aircraft’s attitude relative to the horizon. From this the pilot can tell whether the wings are level and if the aircraft nose is pointing above or below the horizon. This is a primary instrument for instrument flight and is also useful in conditions of poor visibility. Pilots are trained to use other instruments in combination should this instrument or its power fail. The airspeed indicator shows the aircraft’s speed (usually in knots ) relative to the surrounding
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Aloha Flight 243 In the Aloha incident‚ Aloha Airlines flight 243 took off on a regularly scheduled flight departing Hilo and arriving in Honolulu airport. Aloha flight 243 was a Boeing 737 that had suffered from metal fatigue and flown well over the intended takeoff-landing hours. (Stoller‚ 2001) Flight 243 experienced an explosive decompression and structure failure at flight level 240. An 18 ft. long section of ceiling area of the fuselage from the forward passenger cabin had separated
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Surviving Flight 1549 Flight 1549 made a successful emergency landing into the Hudson River with no fatalities on January 15‚ 2009 due to the expertise and quick actions of the pilots‚ crew members‚ and emergency rescue workers. Katie Couric‚ a television journalist‚ conducted interviews with Captain Chesley Sullenberger‚ First Officer Jeff Skiles and flight attendants Donna Dent‚ Sheila Dail‚ and Doreen Welsh‚ along with many of the survivors‚ to try and understand how all 155 people
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constructed powerful identities‚ including the Emperor Justinian and His Attendants‚ The Maquamat of Al-Hariri‚ and the Stele of Naram-Sin. The Emperor Justinian and His Attendants artwork is from San Vitale‚ Ravenna‚ 547 BCE and is a perfect example to show how political leaders has powerful identities. This mosaic shows power through the style and context of the art piece. The way the Emperor is dressed in a bolder color than the Attendants shows how he has more power than the others. The halo around the
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Champagne Flight The main character is a 16 year old girl. She had to move to Washington in the middle of the terms‚ but instead of moving right away‚ she moved in with Mr and Mrs Widness who lived across the street. She moved in with them to finish the terms before moving to Washington. While she lived with Mr and Mrs Widness she finished school and dated a few boys‚ because she wouldn’t be able to date them while living with her parents‚ they wouldn’t accept that. When she finished school‚ her
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