test 7

¿Cuál es el radio de curvatura mínimo que puede ser uzado en una manguera de teflón 666-5 que operará con 1,100 psi de presión?. A) 1 pulgada. B) 1- 1/2 pulgadas. C) 1- 3/4 pulgadas.

¿Cuál es el radio mínimo de doblaje de una aleación de aluminio 7075-T6 con un espesor de .064 pulgadas ?. A) 0.250 pulgadas. B) 0.187 pulgadas. C) 0.312 pulgadas.

What is the maximum allowable voltage drop in the main power wires for a 28-volt aircraft system, when the generator is carrying rated current?. A) 0.5 volt. B) 1 amp. A) 1 volt.

What is the maximum amount of time a circuit can be in operation and still be in intermittent duty circuit?. A) Tres minutos. B) Dos minutos. C) Un minuto.

What is the most forward adverse loaded CG for a tail wheel airplane with these specifications? Airplane empty weight 1,169 pounds Empty weight CG +10.6 Forward CG limit +8.5 Pilot 170 pounds at +16.0 Fuel tanks +22 METO horsepower 160 Minimum fuel 80 pounds at +22. A) +11.9. B) +8.5. C) +13.2.

What is the most rearward adverse loaded CG for a tailwheel airplane with these specifications? Airplane empty weight 1,169 pounds Empty weight CG +10.6 Rearward CG limit +21.9 Pilot 170 pounds at +16.0 Fuel tanks +22 Fuel quantity 40 gallons 240 pounds Passengers 2 in rear seats 340 pounds at +48 Baggage (max. placarded) 100 pounds at +75.5. A) +23.8. B) +20.7. C) +21.9.

¿Cuál es la diferencia de presión máxima permitida cuando se realiza una verificación de la compresión de un motor reciproco?. A) 30%. B) 25%. C) 20%.

What is the dimension for the height of the shop head of an AN470AD4-4 rivet?. A) .0625 (grueso). B) .1875 (grueso). C) .0525 (grueso).

¿Cuál es la dimensión de la cabeza de un remache AN470AD4-4?. A) .0625 (espesor), .1875 (ancho). B) .1875 (espesor), .0625 (ancho). C) .0525 (espesor), .1785 (ancho).

What is the sheer strength of a 2117T rivet?. A) 10,000 psi. B) 30,000 psi. C) 100,000 psi.

What is the maximum differential pressure allowed when performing a compression check on a reciprocating engine?. A) 30%. A) 25%. C) 20%.

¿Cuál es la relación del radio de curvatura de una manguera MIL-H-8794-5 operando a 3,000 psi con un rango de flexión de 90 grados, comparado con la misma manguera en máxima operacion de psi sin flexionr? La flexion del radio de curvatura. A) Aumenta. B) Disminuye. C) Permanece constante.

What is the relationship of the bend radius of a MIL-H-8794-5 hose operating at 3,000 psi with a 90 degree flexing range, compared to the same hose at maximum operating psi with no flexing? The flexing bend radius. increases. decreases. remains constant.

What is the location of the CG of a nose wheel airplane with these specifications? Datum is aft of the main wheels Main wheels are at -75.0 Nose wheel is at -153.0 Weight of nose wheel is 340 pounds Total net weight of airplane is 2,006 pounds. A) -67.8. B) +82.8. C) -88.2.

What is the location of the CG of a tail wheel airplane with these specifications? Datum is leading edge of the wing Right main wheel weighs 564 pounds at +3.0 Left main wheel weighs 565 pounds at +3.0 Tail wheel is at +225.0 Weight of tail wheel is 40 pounds (67 pounds - 27 pounds of tare). A) 12.6. B) 10.6. C) 15.4.

¿Cuál es la ubicación del centro de gravedad (CG) de un avión de tren de nariz con estas especificaciones?Datum esta en el borde de ataque del alaTren principal derecho pesa 604 libras +34.0 (609# - 5# tara)Tren principal izquierda pesa 615 libras +34.0 (620# - 5# tara)Tren de nariz se encuentra -33.8Peso del tren de nariz es de 454 libras (464# - 10# tara). A) 15.4. B) 14.8. C) 16.7.

What is the location of the CG of a nose wheel airplane with these specifications?. A) -67.8. B) +82.8. C) -88.2.

What is the advantage of locating the datum line forward of the nose of the aircraft?. To have a reference point to make all measurements. To allow for all positive computations. To allow all positive and negative computations.

¿Cual es un método aprobado de inspección de materiales compuestos?. A) Rayos X. B) Líquidos penetrantes. C) Termografía.

What would be the maximum amperage when using AN14-gage wire with a temperature rating of 150 degrees Centigrade in a 28- volt system with a continuous load?. 14 amps. 10 amps. 7.5 amps.

¿Cuál sería el CG del peso en vacío autorizado si una aeronave se pesó con lo siguiente?Tren de nariz 650 libras - 31pulgadasTren principal 1,820 libras +84 pulgadasLastre fijo 10 libras +114 pulgadasCombustible (avgas) 30 galones +55 pulgadasAceite 3 galones -39 pulgadas. A) 52.22. B) 53.14. C) 51.09.

What would be the layout dimension (before bending dimension) of a U-shaped channel, 1" x 5" x 1", 2024-T6, .064 thick, using minimum bend radius?. A) 7.0. B) 6.28. C) 6.68.

What are the minimum requirements to operate a gyroscopic instrument at the proper speed?. Minimum required vacuum and rated CFM. A flow requirement of .50 cubic feet per minute and a pressure drop of 2.00 in. Hg. A flow requirement of 2.30 cubic feet per minute and a pressure drop of 4.00 in. Hg.

What are the minimum requirements to operate a gyroscopic instrument at the proper speed?. Enough vacuum required to operate the maximum number of instrument at the proper speed. Maximum negative pressure to run total instruments, plus pressure drop in plumbing. Enough vacuum required to operate the minimum number of instruments and positive pressure.

¿Cuánto metal se usa en una curva de 90 grados en una aleación de aluminio 2024T de 0.064 pulgadas con un radio de curvatura de 3/16 de pulgada?. A) 0.250 pulgadas. B) 0.340 pulgadas. C) 0.312 pulgadas.

¿Cuánto metal se utiliza en un doblado de 90 grados en 0.064 pulgadas en hoja de aleación de aluminio 2024-Tcon un radio de doblaje de 3/16 pulgadas?. A) 0.250 pulgadas. B) 0.340 pulgadas. C) 0.312 pulgadas.

What is 28 degrees Celsius in Fahrenheit?. 86.2 degrees Fahrenheit. 81.4 degrees Fahrenheit. 82.4 degrees Fahrenheit.

¿Dónde está localizado el datum en un helicóptero de un solo motor certificado bajo el 14 CFR Parte 27?. A) En la Punta del rotor. B) Plano del rotor. C) En cualquier lugar donde el fabricante determine que este.

Where would the location of the sight line be when bending sheet metal?. Neutral line plus the bend radius. Bend tangent line plus the bend radius. Bend allowance plus the thickness.

Where is the datum located on a single-engine rotorcraft certified under 14 CFR Part 27?. Tip of rotor. Plane of rotor. Anywhere the manufacturer determines it to be.

Operational and Maintenance procedures (O and M), and/or references for disabling or rendering inoperative items of equipments are found in what document of a 14 CFR Part 91 operator's MEL?. Procedures Document. Letter of Authorization (LOA). C) Lista Maestra de Equipos Mínimos (MMEL).

The formation of red rust on which of the following surfaces would actually promote additional attack by attracting moisture from the air and acting as a catalyst to promote additional corrosion?. Aluminum. Steel. Magnesium.

Turnbuckles must have a minimum of how many turns of safety wire wrapping?. A) 3. B) 4. C) 5.

For detection of which of the following could a coin or ring tap tet be used in a composite structure?. Voids and occlusions. Delaminations and occlusions. Delaminations, debonding, and voids.

Can a 0.032-inch bend radius be used for a 90-degree bend using 5052-H32 aluminum alloy, 0.128 inch thick?. May be used. The metal must be annealed prior to bending. Radius cannot be used.

Which statement is correct regarding the amount of fuel to be in the aircraft when making check for the forward adverse loaded center of gravity?. Fuel fuel if the tank is forward of the forward CG limit. Fuel fuel if the tank is aft of the forward CG limit. Fuel fuel if the tank is is aft of the rearward CG limit.

What strength rating of a rivet do you use when joining two pieces of sheet metal?. Rivets equal to the strength of the metal. Rivets slightly greater than the strength of the metal. Rivets slightly less than the strength of the metal.

What determines whether the value of the moment is preceded by a plus (+) sign or a minus (-) sign in aircraft weight and balance?. The moment of the weight in reference to the datum. The result of a weight being added or removed and the location relative to the datum. The location of the datum in reference to the aircraft CG.

What effect would oxidation have on an aluminum surface?. Promotes corrosion. Slows corrosion. Stops corrosion.

What is intergranular corrosion?. Corrosion integrated inside the metal. The formation of corrosion along the grain boundaries within a metal alloy. The formation of corrosion against the grain boundaries within a metal alloy.

What is an approved method of inspection on composite materials?. X-ray. Dye penetrant. Thermography.

Which factors affect the rate of corrosion?. Type of metal, heat treatment, and grain direction. Fiber orientation and lamination. Improper adhesive pot life and prolonged assembly time.

What significance does an * symbol in column 4 of a MEL have for maintenance personnel?. The maintenance person should see the reference section of the corresponding Federal Aviation Regulation. It indicates the item of equipment was added by the operator and not originally on the Master MEL. The item of equipment, if inoperative, must be placarded.

The letter designators in column 1 (ITEM) of a MEL have what significance to an 14 CFR Part 91 operator during aircraft maintenance?. Establishes the repair time at which that item, if deferred, must be repaired. Indicates who may defer the item, the pilot or mechanic. The designator has no significance to the 14 CFR Part 91 operator.

Which NDT method should not be used to detect cracks in advance composite structures?. Dye penetrant. Ultrasonic. Both A and B.

What NDT method would not be suitable for detecting cracks in a composite structure?. Dye penetrant. Ultrasonic. Tap test.

What publication is an acceptable document for obtaining load factors when computing static load tests for equipment installation in U.S.-certificated aircraft?. AC 43, 13-2A. Aircraft Flight Manual. Type Certificate Data Sheet.

What is considered an acceptable radius for a 90-degree bend using 0.064-inch thick aluminum alloy 2024-T3?. 3 to 5 times sheet thickness (3 x 0.064= 0.192). 6 to 8 times sheet thickness (6 x 0.064= 0.384). 9 to 10 times sheet thickness (9 x 0.064= 0.576).

What rivet should be selected to join two sheets of .032 and .020 aluminum?. A) AN470AD 4-3. B) AN470AD 4-4. C) AN470AD 5-3.

What rivets should be selected to join two sheets of .032 aluminum?. A) MS20425D 4-3. B) MS20470AD 4-4. C) MS20455DD 5-3.

What is meant by zero fuel weight?. Standard weight plus crew. Operational aircraft empty weight. Operational weight including payload minus fuel load.

What size wire would be used for a starter motor if you have 28 volts, 20 feet of wire, and 200 amps?. A) No. 2. B) No. 1. C) No. 4.

What kind of defect is detected when using circular magnetization?. Longitudinal. Transverse. Lateral.

What type of wrap would you consider acceptable when using .040-inch stainless steel safety wire to safety turnbuckles on 5/32 cable?. Single wrap. Double wrap. .040-inch stainless steel safety wire is not approved to safety turnbuckles on 5/32-inch cable.

Which type of crack can be detected by magnetic particle inspection using either circular or longitudinal magnetization?. 45 degrees. Longitudinal. Transverse.

A concentration of what occurs under a faying surface where the solution is stagnant?. Metal ion. Oxygen. Active-Passive.