TEST BORRADO, QUIZÁS LE INTERESE: avionica
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Título del Test:
avionica Descripción: elect 3 Autor: rino OTROS TESTS DEL AUTOR Fecha de Creación: 24/10/2024 Categoría: Otros Número Preguntas: 42 |
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Temario:
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"The electromagnetic field surrounding wires carrying alternating
current can be prevented from interfering with sensitive electronic equipment by using ."
coaxial cable
shielded wire
twisted pair
all of the above
. "A radio transmitter is normally connected to its antenna with a cable." twisted pair shielded coaxial fiber optic . "The half of an AN or MS quick-disconnect connector that carries the power is fitted with ." pins sockets both neither . "A barrier-type terminal strip should not have more than terminals installed on any single lug." 2 3 4 5 . If more than four wires need to be connected to a single point on a terminal strip, two or more lugs can be connected with a metal . strap bus strap wire connector . "The correct size preinsulated terminal to use on a 18-gage wire would have a insulation. (what color)" red blue yellow green . "The correct size preinsulated terminal to use on a 12-gage wire would have insulation. (what color)" red blue yellow green . "The type of wire terminal that should be installed on a barrier-type terminal strip is a type." ring spade bullet pin . This wire is in the system. landing gear deicing lighting communication . This is wire number in this circuit. 1 2 3 4 . This is the segment in this wire. first second third fourth . This is a -gage wire. 18 20 22 24 . This wire go to ground. does does not might always . "The only type lubricant that should be used when pulling a wire bundle through a piece of polyvinyl tubing is ." silicone grease WD-40 tire talcum petroleum jelly . "Wire bundles should be secured to the aircraft structure using clamps." metal plastic cushion adhesive . "If an electrical wire bundle is routed parallel to a fuel line, the wire bundle should be the fuel line." above below beside inside . "A wire bundle should be no closer than inches from any control cable unless a suitable mechanical guard is installed over the wire so the cable cannot contact it." 1 2 3 4 . "The maximum-diameter wire bundle that may be enclosed in a rigid conduit with an inside diameter of one inch is ." 2 inches 3 inches 4 inches 5 inches . "The edges of a hole through which a wire bundle passes must be covered with a ." sealant grommet tape adhesive . "A switch used to control a 3-amp continuous flow of current in a 24- volt DC incandescent lamp circuit should be rated for at least amps." 3 6 12 24 . A switch used to control a 12-volt DC motor that draws a 3-amp continuous flow of current should be rated for at least amps. 3 6 12 24 . "A circuit that is wired with an 18-gage wire should be protected with a -amp circuit breaker." 5 10 15 20 . The four basic rules for systematic troubleshooting are: "Know the way the system should operate." "Observe the way the system is operating." Divide the system to find the trouble. Look for the obvious problems first. . "One of the first things to check if an electrical component does not operate is the ." wire connector circuit breaker switch . A decision point in a logic flow chart is enclosed in a -shaped box. square circle triangle diamond . "Two characteristics of a digital multimeter that make it a valuable troubleshooting tool are its:" high input impedance high degree of accuracy portability low cost . Analog multimeters have an advantage over digital multimeters in their ease to identify in voltage and current changes. trends spikes averages limits . "Current can be measured in a circuit without having to open the circuit if a/an -type ammeter is used." analog digital clamp-on in-line . "Wave form and frequency of the voltage in an electric circuit can be observed with a/an ." multimeter oscilloscope ammeter voltmeter . "What is the purpose of a Faraday cage with static protection enclosure?" Store materials not sensitive to ESD Provide additional storage space Prevent ESD damage Avoid dust accumulation . "How should components be stored in approved static protection containers?" "With documentation inside the container" "Sealing the container with an approved static caution label" Not sealing the container Inside a transparent plastic tube . "What action is recommended if evidence of mishandling or improper storage of ESD parts is found?" Return to inventory Dispose of Recheck Conduct additional tests . "What precaution is mentioned regarding personal arrangement at the ESD workstation?" Keep the area clean Comb hair away from the workstation Do not wear metal jewelry Do not comb hair near ESD materials . How often should ESD workstations be certified? Every 6 months Annually or when moved Every 2 years Every 3 months . "What is the primary purpose of using a conductive mat in the ESD workstation?" Prevent static electricity buildup Provide comfort Keep the surface clean Provide thermal insulation . What is the primary purpose of an ESD wrist strap? Protect against electrical shocks Maintain user comfort Provide grounding Prevent user fatigue . "What is the common threshold of sensation for an ESD shock for humans?" 2,000 to 3,000 volts 3,000 to 4,000 volts 4,000 to 5,000 volts 5,000 to 6,000 volts . "What should be done if an ESD wrist strap does not properly touch the skin?" Adjust the strap Replace it Apply lotion Ignore it . How should ionizing fans be positioned in relation to ESD material? At 12 to 15 inches away Directly over the material 6 inches away 20 inches away . "What action is recommended if evidence of rust or corrosion is found on a stored product after 5 years?" Replace bearings and relubricate Dispose of the product Return to inventory Conduct additional tests . "What precaution should be taken when using ionizing fans at the workstation?" Regular calibration "Keep them at least 6 inches away from ESD material" Use them only with authorization Keep them close to the ESD material . "What is the primary purpose of a conductive mat in the ESD workstation?" Provide comfort Prevent static electricity buildup Keep the surface clean Provide thermal insulation . |
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