the fusible plugs installed in some aircraft wheels will

(8363) The fusible plugs installed in some aircraft wheels will indicate tire tread separation. b. A - replaced. B - externally inspected for damage . Landing Gear Flashcards by Ali Abraham | Brainscape d. Protection of Equipment on Landing Gear and in Wheel Wells (Acceptable Means of Compliance) (Ref. Why is it important that some aircraft with retractable landing gear be given a retraction test after new or retreaded tires are installed? PDF AAIU Report No:- 1999/002 AAIU File No:- 19970040 ... Jeppesen Oral- Chapter 9 ( Aircraft Landing Gear ... . (1) The use of fusible plugs in the wheels is not a complete safeguard against damage due to a bursting tire. They consist of a hole that is plugged with an alloy melting to a pre-set temperature. Aircraft Wheels Are An Important Component Of A Landing ... The greatest risk to aircraft wheel assembly is due to. This prototype uses Eddy Current to detect flaws or damage in aircraft wheels of all sizes. What information should be stamped into a fusible plug? In my opinion, proper training, fusible plugs, and Nathan or Barco low-water alarms are as far as we can go right now in creating a reliable boiler safety system. The Wheel It may be any temperature value higher than the maximum ambient temperature (30° C, or 70 ° C, or 100 ° C). When a properly operating fusible plug has allowed a tire to deflate, the tire should be: answer choices . 2- Fuel. Option A Vertical movement of the tyre Option B Tyre ... Option A. facilitate servicing of the wheel assembly. The operator was driving the engine from his shop approximately 1.5 miles from the fairgrounds on a 90+F day over a recently "blacktopped" road with steel lugged wheels. Though they are built tough but during a rejected take off, there's a fair chance one or several tires might blow and brake pads starts catching fire. A fusible plug is the ultimate safety measure expected to prevent a catastrophic failure that may prove harmful to the plant and personnel working. In the event of an aborted take-off or other emergency braking, so much heat is produced in the brakes that the air in the tires 8- Solvents. 7. Why are fusible plugs installed on some aircraft wheels? To keep the wheel in alignment and prevent the piston from coming out of the cylinder. B - prevent overinflation. Indicate the tread separation. what should be done with a tire that was on a wheel which was overheated enough to melt the fusible plug in the wheel? C) aircraft owners and other interested persons of unsafe conditions . 5- Helium.6- Electrical equipment. day and thus the aircraft was still operating with No 5 brake inoperative. B - prevent overinflation. Valve stem, fusible plugs, wheel keys, heat shields, balance weights, and associated hardware . C - melt at a specified elevated temperature. Towing of some aircraft with the rudder locks installed, may cause damage to the steering linkage and rudder control system. Wheel/brake-area fires on the o. d. Protection of Equipment on Landing Gear and in Wheel Wells (Acceptable Means of Compliance) (Ref. had not been installed on the aircraft involved in the March 19 incident. The fusible plug was installed, was intact, and had the correct metal. vaeco user: ngducdung Sdt: 0971171511 Email: dungnd60190@gmail.com https://www.facebook.com/hunter205 1- Low humidity. . BY LoganTheBogan - Mon Jul 05, 2021 12:33 pm. why is it important that some aircraft with retractable landing gear be given a retraction test after new retreaded tired are installed? Leaks can usually be pinpointed to the plug itself (a poor bond between the fusible material and the plug body) or to the sealing gasket used. Examination of the Aircraft's history pre-storage in 1993, when it was being operated in Turkey, showed a Technical Log entry for abnormal brake temperatures on wheel No's 1 and 5 followed by a fusible plug deflation of No 5 wheel tyre. B) releasing the air and seeing that the oil is to the level of the filler plug. Fusible plugs protect tires and wheels from exploding if the brakes get too hot. To alleviate this, thermal plug(s) mounted in the inner wheel half of a high performance aircraft wheels are made with a fusible core that melts and releases the air from the tire before explosion. In the aircraft service . Fusible (or thermal) Plugs . Fusible plugs are commonly installed in aircraft wheels, most typically in those of larger or high-performance aircraft. melt at a specified elevated temperature. What safety precautions must be taken when removing a wheel from an axel or when disassembling a wheel? The plane has to be inspected on the runway, fire service called, inspected and certified by. Question 2 2 / 2 pts In brake service work, the term 'bleeding brakes' is the process of Correct! JAA ATPL Question Bank at AviationTire.com includes ATPL exam questions and answers, conveniently organized into subjects, topics and subtopics for effective studying that will help preparing you for the ATPL exam in shortest possible time. Purpose. A Silk Way Airlines 747 Freigher suffered an engine failure on takeoff out of Hong Kong, resulting in a high-speed rejected takeoff that left all main wheels deflated. To release the pressure generated by heat build-up before a tire blows. Fusible (or thermal) Plugs . rudder pedals. 7- Hydraulic fluid. The removal, installation, and repair of landing gear tires by the holder of a private pilot certificate on an aircraft owned or operated is considered to be . Exceeding the steering or towing stop limits should be followed by a close inspection of the entire nose steering assembly. . Chines are used on some aircraft nose wheel tires to help ~ deflect water away from the fuselage. • Do not pierce, puncture or cut the liner blisters, especially in tubeless tires. The fusible plugs installed in some aircraft wheels will indicate tire tread separation. C. to relieve the strain on the wheel retaining nut and axle threads as a safety precaution in case the bolts that hold the wheel halves together have been damaged or weakened The fusible plugs installed in some aircraft wheels will Aircraft Wheels Aircraft tires are generally removed by splitting the wheel in half Must not have any air pressure in tire when loosening bolts, (remove valve core) Can use an arbor press or drill press, turned off, to press bead off of rim, on both sides Wheel inspection is critical for cracks, corrosion, or damaged bead/bolt areas TRUE/FALSE. to check if the tire locks up while being retracted. A fusible thermally responsive device (20) for mounting in a bore (12) provided for it in a wheel (10) to vent an overpressure condition caused by heat generated in an aircraft wheel and brake assembly comprises a rod-shaped length of a thermally activated virgin eutectic alloy (34) exhibiting a tolerance within ±1° F. of a specific melt temperature established for the alloy, which rod . The fusible plugs installed in some aircraft wheels will: a. indicate tire tread separation. An overinflation safety plug may also be installed in the inner wheel half. The police did not stop him until he had stopped the engine at the fairgrounds. The Shorts SD3-60 is a twin turbo-prop, strutted, high-wing airplane. C) measuring the length of the strut extension with a certain air pressure in the strut. (2) Where brake overheating could be damaging to the equipment in the wheel wells, What prevents air from leaking out between the two halves of a split wheel assembly An O-ring 4 Why are fusible plugs installed on some aircraft wheels . Some aircraft have a tail skid mechanism (Figure 31) B1 Mod 11.13 .doc Issue No 12/07/15 Some magnesium alloy wheels also exist. what for? A. brake lining has oil or some foreign matter on the disks and linings. . Use a soap solution to check fusible plugs for leaks before removing tire. Editorial Note: Nomenclature changes to When a properly operating fuse plug has been allowed to deflate, the tire Should be Replaced Externally inspected for damage Removed from the wheel and inspected for carcass and tread damage. The fusible plug contains an alloy that will melt and permit the tire to deflate. A fusible plug operates as a safety valve when dangerous temperatures, rather than dangerous pressures, are reached in a closed vessel. Early aircraft . melt at a specified elevated temperature. Prevent over-inflation. 27. Option A. rudder pedals. Correct Answer is. Three thermal relief plugs are installed in the tube well of the . . Where can you find the correct inflation pressure for the tires on an aircraft? Some of the above-mentioned hazards may be mitigated with certain safe guards such as fusible plugs installed along hub 60 or flange 62. Indicate tire tread separation. b. distribute the aircraft weight properly. B) aircraft owners and operators of methods, techniques, and acceptable practices for inspection and alterations of aircraft. The fusible plugs installed in some aircraft wheels will. (1) The use of fusible plugs in the wheels is not a complete safeguard against damage due to a bursting tire. The centers of the plugs are filled with a metal that melts at a relatively low temperature. definition. 400. The fusible plugs installed in some aircraft wheels will. Industries that operate under extreme conditions (such as mining and quarrying) use far fewer electronic controls and have a far higher failure rate. When the temperature of the wheel reaches a predetermined point, the fusible plug will melt . *. • examine the fusible plugs in the aircraft wheels for damage. Question Number. The fusible plugs installed in some aircraft wheels will: a. indicate tire tread separation. The two pieces of a two piece aircraft wheel are identical and could be used on both the inside as outside of the wheel assembly. Answer (1 of 3): Nothing stops them from exploding. melt at a specified elevated temperature. What should be done with a tire that was on a wheel which was overheated enough to melt the fusible plug in the wheel? A fusible plug is a small hollow bolt filled with low melting-point metal (like solder used for electronics or plumbing). The best safeguards against heat buildup in aircraft tires are ~ short ground rolls, slow taxi speeds, minimum braking, and proper tire inflation. 13. 5101-5128, 44701; 49 CFR 1.81, 1.96 and 1.97. Answer (1 of 2): If a brake overheats on an aircraft there is a very real danger of the increased heat causing the tyre to explode for this reason aircraft wheels are fitted with special fusible plugs that release the tyre pressure if the wheels heat up too much…. A.Melt at a specified elevated temperature. Question Number. Above all, proper tire inflation pressure must be maintained. The tail wheel will brake out if the turning circle is too small to allow the tail wheel to castor. 6 Why are fusible plugs installed on some aircraft wheels? To alleviate this, thermal plug(s) mounted in the inner wheel half of a high performance aircraft wheels are made with a fusible core that melts and releases the air from the tire before explosion An overinflation safety plug may also be installed in the inner wheel half. What action, if any, should be taken when there is a difference of more than 5 pounds of air pressure in tires mounted as duals? FUSIBLE PLUG The fusible plug may also be defective or improperly installed. What action, if any, should be taken when there is a difference of more than 5 pounds of air pressure in tires mounted as duals? Fusible plugs are commonly installed in aircraft wheels, most typically in those of larger or high-performance aircraft. The fusible plugs installed in some aircraft wheels will melt at a . The Fusible plugs installed in some aircraft wheel will A. facilitate servicing of the wheel assembly B. indicate tire tread separation C. eliminate the need to check air pressure D. melt at a specified elevated temperature 14. Aircraft Wheel and breaks 1. Some light aircraft have limited tail wheel steering via a mechanism interlinked with the rudder pedals. Some aircraft in commercial use have only . The fusible plugs installed in some aircraft wheels will: melt at a specified elevated temperature. If a takeoff is aborted and the pilot uses the brakes excessively, the heat transferred into the wheel will melt the center of the fusible plugs and allow the air to escape from . 56. PART 173 - SHIPPERS - GENERAL REQUIREMENTS FOR SHIPMENTS AND PACKAGINGS Authority: 49 U.S.C. AIRCRAFT WHEELS AND TYRES 2. . When a properly operating fusible plug has allowed a tire to deflate, the tire should be. Replaced b. Externally inspected for damage c. Removed from the wheel and inspected for carcass and tread damage . The report noted that the operator Each of the main wheels are equipped with fusible plugs that are designed to blow out in the event of severe wheel overheating. To release the pressure generated by heat build-up before a tire blows. Tags: prevent overinflation. B. a brake disk is misaligned or warped. Option B. melt at a specified elevated temperature. A - indicate tire tread separation. This action occurs in the event the wheel is exposed to excessive heat. This prevents excessive pressure buildup in the tire by allowing the air to leak away slowly." See Aircraft Wheel thermal fuse plugs on the AME Voice . The fusible plugs installed in some aircraft wheels will. A - indicate tire tread separation. OUTBOARD WHEEL HALF. By the amount the strut extends out of the cylinder when the weight of the aircraft is on it. B.Prevent overinflation. (8357) If a brake debooster is used in a hydraulic brake system, its position in the system will be between the pressure manifold of the main hydraulic system and the power brake . 38. the book says: radiated and conducted heat from the brake may cause a wheel fuse plug to melt to release air pressure from the tire safely. Why are fusible plugs installed on some aircraft wheels? Fragrant Harbour - Fusible Plugs: - Hot wheels, flat tyres and fusible plugs have been in the news of late but I wonder how many of those involved in the hands on side of aviation know that fusible plugs have been around for more than 100 years. c. reduce excessive wear and turbulence. What safety precaution must be taken when removing a wheel from an axle or when disassembling a wheel? K.8.3.7.0.A.1. These plugs have a hole drilled through their center filled with a low melting point alloy. The primary purpose for balanced aircraft wheel assemblies is to prevent heavy spots and reduce vibration 8330. Wheels that contain fusible plugs should have a metal tag affixed that reads "Fusible Plugs Installed." AMA. Question 1 2 / 2 pts The fusible plugs installed in some aircraft wheels will Correct! Expl- The best way to safeguard against a buildup of heat in an aircraft tire is short ground rolls, slow taxi speeds, and the minimum use of brakes. Option C. eliminate the need to check air pressure Correct Answer is. The tire should be scrapped. Fusible plugs protect tires and wheels from exploding if the brakes get too hot. AMA088 Airworthiness Directives (ADs) are designed to notify the A) mechanic of an approved alternate method to perform a maintenance task other than specified in the aircraft maintenance manual. 46. The very large thermal loads imposed by braking conditions, most apparent following a . When a properly operating fusible plug has allowed a tire to deflate, the tire should be: a. Tech Log - fuse plug question~ - could anyone tell me the function of the fuse plug installed in the landing gears. elevated temperature: The best safeguards against heat buildup in aircraft tires are short ground rolls, slow taxi speeds, _____ braking, and proper tire inflation. § 25.729(f), Protection of equipment in wheel wells). The fusible plugs will melt at certain elevated temperature (e.g., 177° C.) to deflate the tire to avoid excessive pressure build up. C - melt at a specified elevated temperature. On most aircraft, the oil level of an air and oil shock strut is checked by. Plugs in the wheels of high-performance airplanes that use tubeless tires. C.Indicate tire tread separation . A fusible plug is a small hollow bolt filled with low melting-point metal (like solder used for electronics or plumbing). The fusible plugs installed in some aircraft wheels will. tire, tube and wheel as soon as possible. b. prevent over inflation. The fusible plugs installed in some aircraft wheels will Indicate the tread separation Prevent overinflation Melt at a specified elevated temperature . 3- Oil. The fusible plugs installed in some aircraft wheels will A. facilitate servicing of the wheel assembly B. indicate tire tread separation C. eliminate the need to check air pressure D. melt at a specified elevated temperature Our fuse plug manufacturing includes proprietary processes, utilizing specialized thermal fusible material. Melt at a specified temperature. to avoid the tire blowed and the debris hit the The fusible plugs installed in some aircraft wheels will: a. . The fusible plugs installed in some aircraft wheels will melt at especified elevated temperature prevent overinflation. Automated System for Aircraft Wheel Inspection The NDT Automated System for Aircraft Wheel Inspection is a rigid compact system that enables semi-automatic full inspection of bolt holes of any aeronautic wheel, Figure 3 a). A few maintenance entries Most of the new jet transports are fitted with fusible plugs in the wheels to prevent a wheel explosion. Aircraft technicians should be careful when they approach or remove a tire. A fusible plug operates as a safety valve when dangerous temperatures, rather than dangerous pressures, are reached in a closed vessel. The primary purpose for balancing aircraft wheel assemblies is to: a. prevent heavy spots and reduce vibration. The fusible plugs installed in some aircraft wheel will. B - externally inspected for damage . Helicopter is different to a fixed wing due to pilot workload issues. To release the pressure generated by heat build-up before tire blows. The fusible plugs installed in some aircraft wheels will A. indicate tire tread separation B. prevent overinflation C. melt at a specified elevated temperature 59- The fusible plugs installed in some aircraft wheels will A- indicate tire tread separation. B- prevent overinflation. Explanation. important: • Do not use an awl or other pointed tool on the inside of a tubeless tire for probing or inspection. (2) Where brake overheating could be damaging to the equipment in the wheel wells, ued to increase until the fusible plugs in six of the eight wheels on the main landing gear melted, causing the tires . When a properly operating fusible plug has allowed a tire to deflate, the tire should be. JAA ATPL Question Bank at AviationTire.com includes ATPL exam questions and answers, conveniently organized into subjects, topics and subtopics for effective studying that will help preparing you for the ATPL exam in shortest possible time. A heat shield installed on the inside surface of the inner wheel half prevents the brake heat from damaging the wheel or tyre. withdrawing fluid from the system for the purpose of removing air that has entered the system. The outboard half of the A) removing the oil filler plug and inserting a gauge. t is possible in some aircraft that a new or retreaded tire can be enough larger than the precious tire that it could lock up in the wheel well when the landing gear is retracted Play this game to review Other. Aircraft wheels incorporate safety devices to protect the aircraft and personnel working nearby. § 25.729(f), Protection of equipment in wheel wells). correct the discrepancy and enter in the aircraft records repalce both tires. prevent overinflation. 4- Ozone. With tires mounted upon them, they support the entire weight of the aircraft during taxi, takeoff, and landing. A - replaced. Replace both tires. Early 19th century English steam locomotive engineers installed fusible The fusible plugs installed in some aircraft wheels will melt at a specified _____ _____. Be sure the gasket is one specified by the Nose wheel steering in a modern helicopter is by. 1. These fusible plugs are fitted in the tubeless wheel hubs by means of a fusible alloy that melts under excessive heat conditions and allows the plug to be blown out by the tire air pressure. - Mon Jul 05, 2021 12:33 pm #22862117. Wheels Fusible Plugs High performance aircraft have one or more fusible plugs in the inbound wheel half. The typical aircraft wheel is lightweight, strong, and made from aluminum alloy. 8. Minimum Inspection of the airplane's wheel and brake systems after the accident showed that the plugs on both main wheels blew out as designed. AIRCRAFT WHEELS Aircraft wheels are an important component of a landing gear system. Aircraft wheels incorporate safety devices to protect the aircraft and personnel working nearby. The fusible plugs installed in some aircraft wheel will. (8305) Exposure to and/or storage near which of the following is considered harmful to aircraft tires? Silk Way Airlines 747 Freighter Engine Failure, RTO and Burst Wheels #22862117. One or more fusible plugs are installed in the inboard half of the main wheels of jet aircraft to release the air from the tire in the event of an extreme overheat condition, such as heavy braking that is required during an aborted takeoff. Once centralised the tail wheel becomes steerable again. answer choices . Knowledge Code: K01. Some current applications include aircraft wheels, aircraft hydraulic systems, aircraft evacuation systems, and land based transportation systems. A fusible thermally responsive device (20) for mounting in a bore (12) provided for it in a wheel (10) to vent an overpressure condition caused by heat generated in an aircraft wheel and brake assembly comprises a rod-shaped length of a thermally activated virgin eutectic alloy (34) exhibiting a tolerance within ±1° F. of a specific melt temperature established for the alloy, which rod . Option C. a separate pilot operated control. 2 A landing gear shock strut should be inflated with what gas? Option B. the control column. OuS, olU, frv, RysWR, AayRKRT, RyhH, EcjBjXS, ttDzTSk, VHDAnV, ZPRZK, cWiIiMu,
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