Se perfora un orificio de .3750. ¿Qué tamaño de tornillo es requerido para ajustar a ese orificio? A) AN4. B) AN5. C) AN6.
If the aircraft CG is located at 27.3% of MAC, the LMAC is at station 1022, and the TEMAC is at station 1198, at what station is the CG? A) 48. B) 1022. C) 1070.
If the swage dimension is correct, then a proof load test should be conducted. For a 3/16th cable, the applied load should be: A) 2,000 lbs. B) 2,200 lbs. C) 2,520 lbs.
If the aircraft weight and balance data states that the MAC is from station 860.2 to 1040.9, and a weight and balance computation determines that the CG is located at station 910.2, the location expressed in percentage of MAC is A) 27.7% MAC A) 14.9% MAC C) 24.7% MAC.
If a piece of metal is bended at 135 degrees open-angle bend, the metal would have a bend angle of A) 90 grados. B) 45 grados. C) 35 grados.
Si una pieza de metal se dobla a 45 grados con un doblado de ángulo cerrado, el metal tendría un ángulo de doblado de A) 90° B) 135° C) 155°.
Si una pieza de metal se dobla en 135 grados de curva de ángulo abierto, el metal tendría un ángulo de curvatura de A) 90° B) 45° C) 35°.
Si una pieza de metal se dobla en un ángulo cerrado de 45 grados, el metal tendrá un ángulo de curvatura de A) 90 grados. B) 135 grados. C) 155 grados.
You have a 20-volt system, AN20 wire in a bundle and a 14 feet of wire. What are the maximum amps? A) 7 amperios. B) 10 amperios. C) 5 amperios.
Tiene un sistema de 28 voltios, cables AN20 en un paquete y 14 pies de cable. ¿Cuáles son los amperios máximos? A) 7 amperes. B) 10 amperes. C) 5 amperes.
An airplane is loaded with a ramp weight of 3,650 pounds with a CG of 94.0. Approximately how much baggage would have to be moved from the rear baggage compartment at station 180 to the forward baggage compartment at station 40 to move the CG to 92.0? A) 78.14 libras. B) 62.14 libras. C) 52.14 libras.
A mechanic has just installed a new reinforcement bracket on an airplane. The bracket weights 18 lbs and was installed at station
352. With the given information which of the following statements is true?
Given:
Empty weight of A/C. 4,836
LEMAC location +115.28
200 lbs of baggage +19.0
Empty weight CG +124.13
2 pilots seat +95.0
Minimum fuel (350 lbs) +126.8
Forward CG limit +120
Aft CG limit +132.5
The new CG remains within CG limits. The new CG is located at 4.34 inches forward of LEMAC. Ballast will have to be added.
A mechanic has installed electric wiring in accordance with an STC, with the exception of adding 2 feet of conduit that passes through the firewall. The STC calls for a 16-gage wire with a 150 degrees Centigrades temperature rating, 28-volt, 14-amps, single cable in free air. The total length of the wire is 14 feet. Is this installation acceptable with the addition of the conduit? No, there is too much amperage for this length of wire. Yes, the installation is acceptable. No, the voltage drop does not allow this installation.
Un motor eléctrico consume 14,5 amperios, usando un paquete de 9 cables. ¿Qué calibre de cable con un rango de temperatura de 200° C debe ser uzado, y qué tamaño de interruptor de circuito, se usara? A) Alambre calibre 16, interruptor de circuito de 15 amperes. B) Alambre calibre 14, interruptor de circuito de 20 amperes. C) Alambre calibre 12, interruptor de circuito de 30 amperes.
An electric motor draws 14.5 amps, using a 9-wire bundle. What gage wire having a 200 centigrades Celsius temperature rating should be used, and what size circuit breaker would be used? 16-gage wire, 15 amp circuit breaker. 14-gage wire, 20 amp circuit breaker. 12-gage wire, 30 amp circuit breaker.
A pilot delivers his 14 CFR Part 91 airplane to you, the IA, for an annual inspection. He informs you that the autopilot has become inoperative on the flight in. He requests that you postpone repair under the MEL. On consulting the MEL, the remarks section states "*(M) As required by 14 CFR". What document should next be referenced in determining if this item of equipment could be deferred? 14 CFR Part 91. Kinds of Operations List (KOL). Procedures Document.
A rivet as an MS20470AD5-8 would be 5/16ths in diameter. 8/32nd sin length. 5/32nds in diameter.
A D-size drill is .004 inch smaller than a 1/4-inch fractional size. What is the decimal equivalent size of a D-drill? A) .2460. B) .2480. C) .2500.
A technician has put a swaged end on to a 1/8th cable, and has brought it to you for inspection. The shank diameter should be A) .250. B) .141. C) .219.
Un tensor de un cable de 5/32, asegurado con un alambre de acero inoxidablea de envoltura simple, Que diametro debe por lo menos tener el alambre? A) .030. B) .040. C) .057.
A turnbuckle on a 5/32 cable, safetied with a single wrap of safety wire, must have wire of a least what diameter? A) .030. B) .040. C) .057.
Una aeronave con un peso en vacío de 2,100 libras y un CG con un peso vacío de +32.5 fue modificado de la siguiente manera:
1. Dos asientos de los pasajeros de 18 libras ubicados en +73 fueron removido.
2. Fueron hecha modificaciones estructurales en +77, aumentando el peso en 17 libras.
3. Fueron instalados un asiento y el cinturón de seguridad que pesan 25 libras en +74.5.
4. Fueron instalados equipos de radio que pesan 35 libras en +95.
¿Cuál es el nuevo CG del peso vacío?
A) +34.01 B) +33.68 C) +34.65.
Una aeronave tiene un peso vacío de 4,954 libras en un CG de +30.5 pulgadas. El rango del CG es +32.0 pulgadas a +42.1 pulgadas. Encuentre el peso mínimo del lastre, montado en +162 pulgadas, necesario para llevar el CG dentro del rango de CG. A) 61.98 libras. B) 30.58 libras. C) 57.16 libras.
Una concentración de lo que ocurre en una superficie de contacto Donde se ha estancado la solución? A) De iones metálicos. B) Oxigeno. C) Activo-pasivo.
A sheet metal repair is presented to you for inspection. The repair involves a splice of bare 2024-T3 sheet aluminum .032-inches thick using a single lap sheet joint and joined with 3/32-inch 2117-AD protruding-head rivets. How many rivets per inch of splice width are required? A) 2.9. B) 8.3. C) 11.1.
A sheet metal repair is presented to you for inspection. The repair involves a splice on an intermediate frame using a single-lap joint, 2017 ALCLAD sheet aluminum, 0.040-inch thick with 1/8-inch 2117-AD protruding-head rivets. What is the minimum number of rivets per inch required for the splice? A) 3.7. B) 4.7. C) 6.2.
A sheet metal repair is to be made using two pieces of .040 inch aluminum riveted together. All rivet holes are drilled for 3/32 inch rivets. The length of the rivets to be used will be A) 1/8 pulgadas. B) 1/4 pulgadas. C) 5/16 pulgadas.
A sheet metal repair is to be made using two pieces of .0625 inch aluminum riveted together. All rivet holes are drilled for 1/8 inch rivets. The length of the rivets to be used will be A) 5/32 pulgadas. B) 3/16 pulgadas. C) 5/16 pulgadas.
A lower horizontal stabilizer streamlined brace is to be repaired by welding. The braze size is 1-¼ inch. The repair should be accomplished using which of the following materials? A round insert tube of the same material, one gauge thicker than the original streamlined tube and a minimum of 5.01 inches. An outside sleeve of at least the same gauge with a minimum length of 9.128 inches. An inside sleeve of the same streamlined tubing as original with a maximum insert length of 6.43 inches.
How far from the mold line of a piece of 0.051-inch aluminum alloy should the jaws of the brake be set back if the bend is 120° and the bend radius is 3/16-inch (0.1875)? A) 0.238 pulgadas. B) 1.732 pulgadas. C) 0.413 pulgadas.
What document could be referenced to determine if an aircraft is eligible for ski installation? Aircraft Airworthiness Certificate. Certificado de Type Certificate Data Sheets. Advisory Circular 43.13-2A.
How would you identify compression failure in a wooden aircraft spar? Crack running parallel to the grain of the wood. Separation of the wood fibers near the end Streaks perpendicular of the wood fiber.
How does corrosion cause aluminum alloy to lose its structural strength? Aluminum loses electrons and becomes an anode-type material. Aluminum loses electrons and becomes a cathode-type material. Aluminum gains electrons and becomes an anode-type material.
What is the name of the maximum permissible weight of an aircraft with no disposable fuel? Maximum ramp weight. Maximum landing weight. Maximum zero fuel weight.
How is the length of a universal rivet head measured? From the top of the head to the end of the rivet stem. From the underside of the head to the end of the rivet stem. In 32nds of an inch.
A decimal fraction of .1875 would be relate to which of the following sizes? A) 3/32. B) 3/16. C) 3/8.
At what static test loads should a banner tow hitch be tested to ensure structural integrity of the aircraft structure? 1.5 times the operating weight of the banner. 2.0 times the operating weight of the banner. 2.5 times the operation weight of the banner.
Which of the following conditions is necessary for electrochemical corrosion to exist? Presence of continuous conductive path. Electrical contact between similar metals. An oxygen depleted environment.
Which of the following would be an excessive amount of free play of an elevator "full span" trim tab? Given: Trim tab chord = 4.5 inches A) .045 B) .060 C) .020.
Which of the following abrasives could not be used to remove corrosion from aluminum alloys? Aluminum oxide. Silicon carbide. Garnet.
Which of the following data could be used as approved data without any further approval? Data developed by owner and approved by a mechanic holding an inspection authorization. Data developed for and incorporated in a supplemental type certificate. Data developed by a commercial operator under a continuous maintenance program.
Which of the following materials, once oxidized, corrodes further? Iron. Aluminum. Both A and B.
Which of the following rivets must be heat treated before using it? A) 2117T. B) 2017T. C) 2017T-HD.
Which of the following rivets is a flathead style? A) AN 427. B) AN 441. C) AN 456.
What is the diameter of a hole drilled with a 0.3125-inch drill? A) 19/64. B) 11/32. C) 5/16.
¿Cuál es el diámetro de un orificio perforado con un taladro de 0.3125 pulgadas? A) 19/64 B) 11/32 C) 5/16.
What is the diameter of an AN470AD4-4 rivet? A) 4/16 (1/4) B) 4/32 (1/8) C) 4/8 (1/2).
What is the maximum permissible free play of the elevator trim tab? Given: Elevator span (length) = 5 ft.
Trim tab span (length) = 1 ft. Trim tab chord = 3 inches
A) .040 B) .060 C) .020.
What is the maximum permissible free play of an elevator "full-span" trim tab? Given: trim tab chord = 4.5 inches A) .140 B) .090 C) .045.
What is the minimum bend radius for a 90-degree bend for 0.064-inch thick 7075-T6 aluminum alloy? A) 0.250 pulgada. B) 0.187 pulgada. C) 0.312 pulgada.
A piece of equipment weighing 6.5 pounds is to be installed aft of the crew compartment on a rotorcraft certificated under 14 CFR Part 27, What is the forward static load test ensure structural integrity for this piece of equipment? 26 pounds. 39 pounds. C) 58.5 libras.
Soldadura de acero unidas en los elementos estructures principales de la aeronave puede ser aceptable bajo ciertas condiciones.
¿Cuál es la consideración más importante en la soldadura de un elemento estructural principal?
A) La aleación de soldadura utilizada es la misma que la original. B) La soldadura fue el método original de la construcción. C) El acero no se calienta hasta que pierde su tratamiento térmico.
Un mecánico ha instalado el cableado eléctrico de Acuerdo con un STC, con la excepción de agregar 2 pies de tuberia que pasa a
través de la pared de fuego. El STC requiere de alambre calibre 16 con un rango de temperatura de150° C, 28 voltios, 14 amperios, un cable simple al aire libre. La longitud total del cable es de 14 pies. ¿Es aceptable esta instalación con la adición de los cables?
A) No, no hay demasiado amperaje para esta longitud de alambre. B) Si, la instalacion es aceptable. C) No, la caída de voltage no permite esta instalación.
Una abrazadera aerodinamica del estabilizador horizontal inferior debe ser reparado mediante soldadura. El tamaño de la abrazadera es de 1-1/4 pulgadas. La reparación debe realizarse con cuál de los siguientes materiales? A) Un tubo de inserción redondo del mismo material, un ancho más grueso que el tubo original optimizado y un mínimo de 5.01 pulgadas. B) Una manga exterior de al menos el mismo ancho con una longitud mínima de 9.128 pulgadas. C) Una manga interior del mismo tubo aerodinamico como el original con una longitud de inserción máxima de 6.43 pulgadas.
A small aircraft with a standard airworthiness certificate has been modified per supplemental type certificate (STC) that is designed for a restricted, special purpose operation. The work was performed to 14 CFR Part 43 standards and was compatible with all other installations. As the IA, who inspects the alteration you would reject the FAA Form 337 because the aircraft no longer meets the requirements for its standard airworthiness certificate. approve the aircraft for return to service. hold the FAA Form 337 until the aircraft has been recertified with the appropriate airworthiness certificate.
A sheet metal is presented to your inspection. the repair involves the installation of four bolts in place of the required number of 2117-AD protruding-head rivets for a single lap joint splice in 5052-H14 sheet aluminum .064-inches thick. If the repair was otherwise eligible for return to service, how would you proceed? Disapprove the repair, bolts may not be used to replace rivets in the thickness of aluminum sheet. Approve the repair, the substitution of the rivets with the bolts exceeds the strength of the rivets. Disapprove the repair, the number of bolts per inch of width is too few.
A proposed airframe alteration will require a section of MIL-H-8788-10 hydraulic hose to flex through 60° of travel. The system will operate at 210° centigrade and 1,200 psi. What is the minimum bend radius for this installation? 3-1/4 inches. 5- 1/2 inches. 7- 3/4 inches.
A person holding an inspection authorization is responsible for ensuring certain level of safety in aeronautical products. When inspecting a major a major alteration for conformity and approval for return to service,, the holder of an inspection authorization must determine that the data used is acceptable to the Administrator. acceptable to the manufacturer. compatible with other installations.
A major repair has a bolt pattern drilled with holes that are .3125 inch in diameter. What size AN bolts would be required? A) AN3. B) AN4. C) AN5.
A major repair to a structural component is presented to you for inspection and approval. You find that a number of rivets were installed in place of several spot welds that had been opened during the repair. With regard to the replacement of the spot welds with rivets, the repair would Require 50 percent more rivets than the original number of welds. Require specific approval by an authorized representative of the FAA. Not be acceptable; spot welds may not be rejoined using rivets.
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