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TEST BORRADO, QUIZÁS LE INTERESE: ALT 4.0

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Título del Test: ALT 4.0 Descripción: 1300-167 Autor: LOCAL OTROS TESTS DEL AUTOR Fecha de Creación: 28/03/2020 Categoría: Otros Número Preguntas: 57

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950.Composite fabric material is considered to be the strongest in what direction? Fill. Warp. Bias. 954.Fiberglass laminate damage not exceeding the first layer or ply can be repaired by filling with a putty consisting of a compatible resin and clean, short glass fibers. sanding the damaged area until aerodynamic smoothness is obtained. trimming the rough edges and sealing with paint. 956.One method of inspecting a laminated fiberglass structure that has been subjected to damage is to strip the damaged area of all paint and shine a strong light through the structure. use dye-penetrant inspection procedures, exposing the entire damaged area to the penetrant solution. use an eddy current probe on both sides of the damaged area. 958.Repairing advanced composites using materials and techniques traditionally used for fiberglass repairs is likely to result in restored strength and flexibility. improved wear resistance to the structure. an unairworthy repair. 960.The classification for fiberglass reinforcement material that has high resistivity and is the most common is E S G. 964.The strength and stiffness of a properly constructed composite buildup depends primarily on a 60 percent matrix to 40 percent fiber ratio. the orientation of the plies to the load direction. the ability of the fibers to transfer stress to the matrix. 966.What precaution, if any, should be taken to prevent corrosion inside a repaired metal honeycomb structure? Prime the repair with a corrosion inhibitor and seal from the atmosphere. Paint the outside area with several coats of exterior paint. None. Honeycomb is usually made from a manmade or fibrous material which is not susceptible to corrosion. 967.When balsa wood is used to replace a damaged honeycomb core, the plug should be cut so that the grain is parallel to the skin. it is about 1/8 inch undersize to allow sufficient bonding material to be applied. the grain is perpendicular to the skin. 968.When inspecting a composite panel using the ring test/tapping method, a dull thud may indicate less than full strength curing of the matrix. separation of the laminates. an area of too much matrix between fiber layers. 972.When repairing large, flat surfaces with polyester resins, warping of the surface is likely to occur. One method of reducing the amount of warpage is to add an extra amount of catalyst to the resin. use short strips of fiberglass in the bonded repair. use less catalyst than normal so the repair will be more flexible. 974.Which fiber to resin (percent) ratio for advanced composite wet lay-ups is generally considered the best for strength? 40:60 2,118055556 2,527777778. 976.Which of the following are generally characteristic of aramid fiber (Kevlar) composites? Stiffness. Corrosive effect in contact with aluminun. flexibility and high tensile strength. Ability to conduit electricity. 977.ALGUNOS DE LOS TEMAS EN MANTENIMIENTO QUE TIENEN EL POTENCIAL DE RIESGO PARA AFECTAR LA SEGURIDAD SON: Supervisión de seguridad, evaluación de programas, prevención de accidentes. Factores humanos, condiciones del sitio de trabajo, temas organizacionales. CRM para operaciones de vuelo, efectividad en control de MRM, Programa FOD. Supervisión de seguridad, evaluación de programas de entrenamiento, prevención de incidentes. 990.LAS BOTELLAS PORTATILES DE OXIGENO TIENEN Una salida de alta presión que suministra 4 litros de oxigeno por minuto y una salida de baja que suministra 2 litros de oxigeno por minuto. Una salida de alta presión que suministra 4.5 litros de oxigeno por minuto y una salida de baja que suministra 2.5 litros de oxigeno por minuto. Una salida de alta presión que suministra 6 litros de oxigeno por minuto y una salida de baja que suministra 3 litros de oxigeno por minuto. Una salida de alta presión que suministra 10 litros de oxigeno por minuto y una salida de baja que suministra 8 litros de oxigeno por minuto. 991.LAS ENTIDADES QUE NOS REGULAN LA IMPLEMENTACION Y DISPOSICIONES PARA LA INSTALACION DE EQUIPOS DE EMERGENCIA SON Aeronáutica Civil, FAA a través de sus partes segunda y octava y las FAR 124. UAEAC, Federal aviation administration a través de sus partes cuarta, octava y 121 Aeronáutica Civil, Federal aviation administration a través de sus partes 121 y 124. Aeronáutica Civil, ANAC a través de sus partes segunda y octava y las FAR 124. 998.la rehabilitación en los trabajadores lesionados por accidente de trabajo la realizan inicialmente: la EPS la ARP la AFP Los centros sde salud locales. 1001.Que es El Programa de salud Ocupacional Es un documento que sirve para determinar las acciones que el empleador quiere realizar en pro de la salud de los trabajadores. Son todas las acciones tendientes a revisar los estatutos de trabajo relacionados con el empleado. Es la rama de la salud ocupacional que se encarga de prevenir las enfermedades y los accidentes de trabajo. Son los comites del ministerio de salud, que se encargan de la revision de las campañas en contra de las enfermedades profesionales. 1002.Que es Enfermedad Profesional Es un suceso repentino que se origino por la labor que desempeña en la instalaciones de trabajo y que causa en el trabajador una lesión o la muerte. Es una alteración de la salud del trabajador por origen común y que le impide desarrollar su trabajo. Es una alteración de la salud del trabajador como consecuencia del trabajo que desempeña. Son los efectos en la salud del trabajador originados por una situación adversa en el trabajo y que le produce una enfermedad. 1023.If a fire-extinguisher cartridge is removed from a discharge valve for any reason, it must be pressure checked. is recommended that the cartridge be used only on the original discharge valve assembly. cannot be used again. provide internal structural integrity. 1051.Se abordan Tanques portátiles de oxigeno para: Dar a los niños oxigeno en caso de falla Permitir la movilidad de la tripulación durante la emergencia Abrir los tanques cuando se acabo todo el oxigeno Todas las anteriores. 1058.How can it be determined if a transformer winding has some of its turns shorted together? Measure the input voltage with an ohmmeter. The output voltage will be high. The transformer will get hot in normal operation. A high internal resistance condition. 1059.How does the magnetic brake used to stop rotation of an electric motor armature operate? Centrifugal force releases a rotating brake cog from a stationary notch when the armature reaches a certain speed and magnetic force re-engages the cog when the electrical power is turned off. A friction brake is applied by a magnet and released by a spring. approximately the same current throughout its operating range of speed. A friction brake is applied by a spring and released by a magnet. 1062.If the reverse current cutout relay contact points fail to open after the generator output has dropped below battery potential, current will flow through the generator armature in the normal direction and through the shunt field opposite the normal direction. and the shunt field opposite the normal direction. Centrifugal force releases a rotating brake cog from a stationary notch when the armature reaches a certain speed and magnetic force re-engages the cog when the electrical power is turned off. opposite the normal direction and through the shunt field in the normal direction. 1065.The method most often used in overcoming the effect of armature reaction is through the use of interpoles. shaded poles. drum-wound armatures in combination with a negatively connected series field. opposite the normal direction and through the shunt field in the normal direction. 1067.The pole pieces or shoes used in a dc generator are a part of the armature assembly. field assembly. brush assembly. Inverter drive motor. 1070.To test generator or motor armature windings for opens, place armature in a growler and connect a 110V test light on adjacent segments; light should light. check adjacent segments on commutator with an ohmmeter on the high resistance scale. use a 12/24V test light between the armature core segments and the shaft. rate of current used to charge the battery. 1081.Which type of dc generator is not used as an airplane generator? Externally grounded. Series wound. Compound wound. Shunt-type ohmmeter. 1089.Which of the following is not one of the purposes of interpoles in a generator? Reduce field strength. Overcome armature reaction. Reduce arcing at the brushes. stripping nicks can cause short circuits. 1092.A certain switch is described as a single-pole, double-throw switch (SPDT). The throw of a switch indicates the number of circuits each pole can complete through the switch. terminals at which current can enter or leave the switch. places at which the operating device (toggle, plunger, etc.) will come to rest and at the same time open or close a circuit. are useful where only temporary overloads are normally encountered. 1095.A CSD unit drives a generator through the use of a synchronous electric motor. an infinitely variable mechanical gearing system. a variable hydraulic pump and hydraulic motor. increase flux concentration. 1108.Cuando dos o más generadores de corriente alterna se van a conectar en paralelo, se deben cumplir las siguientes condiciones antes de su conexión: Igual corriente, igual frecuencia, igual fase e igual sincronismo igual sincronismo, igual corriente, igual voltaje e igual frecuencia Igual factor de potencia, igual fase, igual voltaje e igual frecuencia Igual fase, igual voltaje, igual frecuencia e igual sincronismo. 1122.Electric wiring installed in aircraft without special enclosing means (open wiring) offers the advantages of ease of installation, simple maintenance, and reduced weight. When bundling open wiring, the bundles should be limited as to the number of cables to minimize damage from a single electrical fault. include at least one shielded cable to provide good bonding of the bundle to the airframe. be limited to a minimum bend radius of five times the bundle diameter to avoid excessive stresses on the cable insulation. Support the bundle to structure and/ or solid fluid lines to prevent chafing damage. 1126.Grounding is electrically connecting a conductive object to the primary structure. One purpose of grounding is to prevent current return paths. allow static charge accumulation. prevent development of radio frequency potentials. push-pull-type circuit breakers only (no switches). 1128.How can the direction of rotation of a dc electric motor be changed? Interchange the wires which connect the motor to the external power source. Reverse the electrical connections to either the field or armature windings. Rotate the positive brush one commutator segment. electrical or mechanical interconnections are provided so that the anticollision light will operate at all times that the position light switch is in the ON position. 1130.How is a shunt-wound dc generator connected? One field is shunted across the other. Both fields are shunted across the armature. The field and armature are shunted with a capacitor. a synchronous electric motor. 1151.La misión principal del panel de control de barras es: El control del correcto funcionamiento de la C.S.D. lo observamos en la cabina en los siguientes indicadores: Controlar el exceso de carga Controlar el bajo voltaje Controlar el relé del generador Detección de barra sin corriente. 1168.The overvoltage control automatically protects the generator system when excessive voltage is present by opening the shunt field circuit.. opening and resetting the field control relay. breaking a circuit to the trip coil of the field control relay. increasing the output of the low generator to equal the output of the high generator. 1169.The pin section of an AN/MS connector is normally installed on the power supply side of a circuit. the ground side of a circuit. either side of a circuit (makes no difference). resistance in the rotor windings. 1186.What is the purpose of the selection of derated switches for known continuous load current applications? To calculate the voltage drop across the circuit. To prevent short circuits in the motor field windings. To obtain reasonable switch efficiency and service life. The current exceeds a. 1200.Which of the following should be accomplished in the installation of aircraft wiring? Support the bundle to structure and/ or solid fluid lines to prevent chafing damage. Provide adequate slack in the wire bundle to compensate for large changes in temperature. Locate the bundle above flammable fluid lines and securely clamp to structure. only plain nuts and lockwashers have been used for terminal attachment to the studs. 1212.Qué aire de ventilación es usado para un calentador de combustión? Provee aire de combustión para el ventilador de tierra. Transporta calor a los sitios donde sea necesario. Provee aire requerido para soportar la llama. Malfuncionamiento del transmisor de presión. 1213.A fiber-type, self-locking nut must never be used on an aircraft if the bolt is under shear loading. under tension loading. subject to rotation. 1219.The Society of Automotive Engineers (SAE) and the American Iron and Steel Institute use a numerical index system to identify the composition of various steels. In the number '4130' designating chromium molybdenum steel, the first digit indicates the percentage of the basic element in the alloy. percentage of carbon in the alloy in hundredths of a percent. basic alloying element. 1222.What aluminum alloy designations indicate that the metal has received no hardening or tempering treatment? 3003-F. 5052-H36. 6061-O. 1223.What is descriptive of the annealing process of steel during and after it has been annealed? Rapid cooling; high strength. Slow cooling; low strength. Slow cooling; increased resistance to wear. 1226.Which heat-treating operation would be performed when the surface of the metal is changed chemically by introducing a high carbide or nitride content? Tempering. Normalizing. Case hardening. 1227.Which heat-treating process of metal produces a hard, wear-resistant surface over a strong, tough core? Case hardening. Annealing. Tempering. 1228.Which material cannot be heat treated repeatedly without harmful effects? Unclad aluminum alloy in sheet form. 6061-T9 stainless steel. Clad aluminum alloy. 1232.Why is steel tempered after being hardened? To increase its hardness and ductility. To increase its strength and decrease its internal stresses. To relieve its internal stresses and reduce its brittleness. 1237.Cuál es el propósito de los eslabonamientos de torque unidos al cilindro y al amortiguador del pistón de un tren de aterrizaje oleo-neumático? Limitar el recorrido de la compresión. Mantener el montante en su lugar. Evitar fugas hidraulicas Mantener las ruedas alineadas correctamente. 1238.Cuál es el propósito de una puerta de compensación o válvula en un cilindro maestro de frenos de un sistema de frenos independiente? Asistir en el retorno del pistón del cilindro maestro. Prevenir que el fluido fluya o se devuelva al deposito. Permitir al fluido del deposito llenar el cilindro maestro. Prevenir fugas del fluido. 1275.Lockout deboosters generalmente Presión de aire excesiva No puede permitir un recorrido completo del pistón debooster sin fluido desde el lado de alta presión entrando en la cámara de baja presión. Debe ser sangrado separadamente después de que el sangrado de frenos ha sido completado. Permiten un recorrido completo del pistón debooster sin fluido desde la entrada lateral de alta presión entrando a la cámara de baja presión. 1285.Que tipo de válvula es usada en la línea de actuación, para aislar el sistema de freno de emergencia del sistema de potencia normal o principal? Una válvula bypass. Una válvula check orificio. Una válvula lanzadera (shuttle). Una valvula de paso. 1289.Si se determina que la acción de frenado esponjoso no es causada por aire en el sistema de frenos, cuál es la mas probable causa? Desgaste en los segmentos del freno. Escape interno en el cilindro maestro. Mangueras flexibles deterioradas. Falta de sangrado de frenos. 1292.Si una aeronave equipada con frenos de disco sencillo y cilindro maestro tienen excesivo recorrido en los pedales de freno pero los frenos están duros y son efectivos, la probable causa es La copa de el cilindro maestro de una vía esta escapando. Fuga en la accion de frenado Desgaste en los discos del freno causando excesiva tolerancia entre las muescas en el perímetro del disco y las guías en la rueda. Desgaste en los segmentos del freno. 1294.Un piloto reporta que el freno derecho en la aeronave opera cuando el pedal del freno no es oprimido de manera normal. La causa probable es que La varilla del pistón del cilindro maestro derecho está doblado. El cilindro actuador de la rueda derecha está escapando fluido sobre los segmentos del freno. El resorte de retorno del pistón del cilindro maestro derecho está flojo. El freno esta esponjoso. 1298.Una manga, espaciador es incorporada en un amortiguador oleo-neumático de tren de aterrizaje para Limitar la extensión del brazo de torque. Limitar le extensión del recorrido Reducir el efecto de rebote. Reducir fugas.

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