AMT Airframe Oral and Practical (O&P) Practice Test

These questions are part of the practice quiz. Start practicing

• What area of a wood spar may not be spliced?
• What are the three types of dope used for aircraft finishes?
• What is the purpose of a fuel dump system?
• Which flight instruments are typically operated from the pitot-static system?
• How do you determine the appropriate type of hydraulic fluid for a specific system?
• What is one advantage of using zinc chromate primer?
• Which of the following is NOT a function of a thermal anti-icing system?
• What substance in fire extinguishers is considered an environmental hazard?
• What is windshield delamination?
• What should you check for on flex hoses during brake inspection?
• Which of the following is a benefit of using pneumatic rain removal systems?
• What is the purpose of fusible plugs in aircraft wheels?
• What does the receiver in a communication system do?
• What additional mark is needed when applying range markings to a glass instrument cover?
• What is the purpose of a pressure relief valve in a hydraulic system?
• Which of the following is a benefit of using a single point pressure fueling system?
• What is a common characteristic of rib stitching on an aircraft?
• What are the two sources of power used to extend and retract landing gear?
• What are two types of smoke detectors used in aircraft?
• Which fire extinguisher type is not recommended for flammable liquid fires?
• What is the effect of under-inflated tires?
• What advantage does the single point pressure fueling system provide regarding skin damage?
• What is commonly applied to metallic surfaces to provide corrosion resistance before applying enamel or lacquer?
• What are marker beacons used for?
• What must be done to successfully weld titanium?
• What are three types of commonly used flight control systems?
• Which of the following is not a component of a basic communication system?
• How can the service life of a fire extinguisher discharge cartridge be determined?
• What is a recommended procedure for using a fire extinguisher?
• What is a common effect of insufficient penetration during welding?
• What is the common name for rivets that require special tools for installation due to limited access?
• What determines the amount of heat applied during welding using oxy-acetylene?
• Where should DME antennas be located on an aircraft?
• What does an anti-skid warning light indicate in an aircraft?
• Which method of repairing honeycomb structures involves applying a cloth overlay?
• What might cause the delamination of an electrically heated windshield?
• What method is used to prepare plywood for bending?
• What type of bonding occurs with plastic grommets during installation?
• Which of the following is a type of fuel quantity gauge?
• What is one challenge of using traditional fueling methods compared to a single point system?
• What is the maximum permissible deterioration of aircraft fabric before it is considered unworthy?
• What are the two groups of independent cabin compressors?
• Which problem might be caused by aerodynamic forces on windshield wipers?
• What types of materials must be protected when using paint remover?
• Which factor might lead to an AC electric motor running too fast?
• What can be a consequence of using the wrong type of fire extinguisher on a specific fire?
• What is a common result of using insufficient gluing pressure when making a wood joint?
• What extinguishing agent is typically associated with conventional fire extinguishing systems?
• What does the anodizing process provide for aluminum alloys?
• Which of the following is NOT a method used in forming sheet metal?
• Which type of fabric is not affected by moisture and mildew?
• What is used to prevent a nose gear from being retracted with the wheel out of the center position?
• Where are special rivets, such as huck or cherry lock rivets, typically used?
• What sources of power can be used for gyroscopic instrument operation?
• What is the principal control unit in a cabin pressurization system?
• With which solvent is zinc chromate primer typically thinned?
• What is the primary agent used in dry chemical fire extinguishers?
• Why is it important to know the type of fire extinguishers present in an aircraft?
• What is one advantage of electric arc welding compared to gas welding?
• What is the role of surface tape in aircraft fabric covering?
• What component in the landing gear system keeps the landing gear in alignment?
• What occurs if the hydraulic fluid flow filter becomes clogged?
• Are mineral streaks acceptable in aircraft wood?
• Which flight control surfaces are considered the primary group?
• What causes blushing when applying dope or lacquer, and how can it be prevented?
• Which of the following fibers is NOT a synthetic fiber used in aircraft covering?
• What happens to seals in a vegetable based hydraulic system if serviced with mineral or phosphate ester based fluid?
• What is the purpose of the collective pitch control in a helicopter?
• Why is a soft flame especially desired when welding aluminum?
• When inspecting Plexiglas, what should be checked for?
• Which color indicates mineral-based hydraulic fluid?
• Before increasing any aircraft electrical load, what should be checked first?
• What is the maximum safe pressure for acetylene gas when not in use?
• Which of the following is NOT a method of bleeding brakes?
• What must be done if an oxygen system has been depleted or moisture detected?
• What type of fuel quantity system accurately determines the weight of fuel in an aircraft's tanks?
• Why is it essential to remove all flux from the metal after welding magnesium?
• Which component is commonly found in continuous-loop fire detection systems?
• Which fire detection system provides more comprehensive coverage of a fire hazard?
• What may cause crazing in plastics?
• What is used in large metal aircraft to keep control cable tension within limits?
• What is wet wing construction in aircraft?
• Where are instrument range markings typically placed?
• In terms of fire safety on aircraft, what is a primary function of the fire detection system?
• What test can be performed to identify existing paint finishes?
• Why is liquid necessary in a magnetic compass bowl?
• Which fuel quantity gauge type is known for its accuracy?
• Which control surface is responsible for changing an aircraft's pitch?
• Which system would likely require deicer boots?
• What are the procedures for preparing a metal fuel tank for welding?
• What is the standard tie off knot used during rib stitching?
• Why are some hydraulic reservoirs pressurized?
• What is the effect of humidity on the drying of dope used in aircraft fabric covering?
• Which component is primarily responsible for controlling hydraulic fluid pressure in a system?
• What is one method to control expansion when welding a joint?
• What are the sources for ventilating air in aircraft?
• What type of weld joint is required for welding magnesium?
• What type of power is used to operate windshield wiper systems?
• Which instrument indicates the speed of the crankshaft in a reciprocating engine?
• What is the definition of a joggle?
• What effect does a decrease in core resistance have in a continuous loop fire detection system?
• What is the main purpose of a brake anti-skid system in aircraft?
• What is the purpose of a hydraulic shimmy damper?
• What is an advantage of using the envelope method to cover fabric aircraft?
• What is the purpose of using high grade aircraft textile materials for fabric covering?
• How is a bladder-type fuel cell typically supported?
• What is the main purpose of employing various materials in honeycomb construction?
• What methods are used to pressurize hydraulic reservoirs?
• What type of position indicators are commonly used to show that the landing gear is down and locked?
• Besides weight reduction, what is another function of a fuel jettisoning system?
• What is the significance of using liquid soap during a fuel leak check?
• What is the function of an air-oil separator in a pneumatic deicing system?
• What is the function of a headset in a communication system?
• What scenario would likely activate the master caution light?
• What material are bladder-type fuel cells typically made from?
• What are the main components in a vapor cycle cooling system?
• In a turbine engine Freon fire extinguishing system, how is the bottle discharged?
• Which component is essential for sending signals over distances in a communication system?
• What is the purpose of electronic fuel gauges compared to mechanical gauges?
• What is the purpose of a master caution light?
• What is a primary advantage of gas-shielded arc welding?
• What is the primary function of a fuel temperature indicator on a turbine engine?
• Under what condition does the aural device operate in a landing gear warning system?
• What does the middle marker beacon indicate?
• What are the two types of glue commonly used for aircraft wood structure repair?
• What is a fairlead in the context of aircraft control cables?
• What is the required quality for fabric used in re-covering an aircraft?
• In which scenario would a thermal detector be the least effective?
• What is a primary concern of the thermal switch fire detection system?
• Which type of fuel quantity gauge operates using weight measurement?
• What defines the grip length of a rivet?
• Where can proper tire inflation information typically be found?
• What is one consequence of low fuel pressure indicated by warning lights?
• What type of materials require an inert gas shield for welding to prevent contamination?
• What component controls the position of the outflow valve?
• In AC power systems, how is DC typically obtained for charging batteries?
• What are the two general types of fire extinguishing systems?
• When should landing gear retraction checks be accomplished?
• What methods are used to supply heated air for thermal anti-icing systems?
• What is the function of reinforcing tape in aircraft covering?
• What are the three axes of an aircraft?
• What should the pressure of acetylene gas be when actually welding?
• Why does the strength of a scarf joint depend on the accuracy of the beveled surfaces?
• What problems are associated with electrically heated windshields?
• What reference publications should be used for aircraft rigging?
• What determines the required quality and strength of fabric for covering aircraft?
• What does "swinging a compass" refer to?
• What does a manifold pressure gauge indicate when the engine is not operating?
• What can be the consequence of using a torch tip that is too large?
• What happens when nitrocellulose paint is exposed to a coat of engine oil?
• For aircraft, which fire extinguisher type can be found in portable forms?
• What is an advantage of using halogenated hydrocarbons in fire extinguishing systems?
• Which positions of retractable landing gear typically have a position indicator?
• What is the role of warning lights in relation to fuel systems?
• What is an advantage of a single point pressure fueling system?
• What happens to the core resistance in a continuous loop fire detection system when a fire occurs?
• Which of the following is a characteristic of carbon dioxide (CO2) fire extinguishers?
• Which fibers are considered organic when covering aircraft?
• What method is used for pressurization in turbine powered aircraft?
• What factors determine the setback when dealing with bending materials?
• When splicing tubing by the inner sleeve method, what method can be used to insert a tight fitting inner sleeve into the replacement tube?
• Where is surface tape used when covering aircraft?
• Which component of a fire detection system is crucial for circuit completion?
• What is a potential issue of applying paint at too high of a viscosity?
• What is the maximum time that a 100-hour inspection may be extended?
• What precaution should be taken to prevent contamination of hydraulic systems when hydraulic lines have been disconnected?
• How can you determine the liquid level in a vapor cycle cooling system?
• If the original rib stitch spacing cannot be determined when re-covering an aircraft, what rib stitching should be used?
• What control operates the helicopter tail rotor?
• What are the colors of aircraft position lights?
• How can a repaired fuel system be checked for leaks?
• What is currently the most common communication system used in aviation?
• What is the primary purpose of a circuit breaker in an electrical system?
• What is the purpose of using fungicidal dope when doping aircraft fabric?
• Which of the following conditions can lead to poor paint flow?
• How long should bonding jumper wires be made for optimal performance?
• How does a takeoff warning horn behave differently from a landing gear warning horn?
• Which of the following is NOT a common method of applying aircraft finishes?
• What serves as a guide for range marking of aircraft instruments?
• Where does breakage of control cables occur most frequently?
• Which unit is used on a helicopter to compensate for torque created by the main rotor?
• What is the tool used to measure the size of unmarked electrical wire?
• Where should drain grommets be positioned on airfoils?
• What typically causes runs and sags in a spray paint finish?
• What is typically used to clean deicer boots?
• What indicates that the landing gear is transitioning between positions?
• What device is primarily used to control the lateral movement of an aircraft?
• How do wing flaps impact an aircraft during takeoff?
• What causes delamination in honeycomb construction?
• Where in an aircraft would you find carbon monoxide detectors?
• What type of flame should be used when silver soldering?
• What is the purpose of the rubber packing mounted on the mating surface of the outer wheel half of a split-type wheel?
• What type of joints is generally used in splicing structural members in aircraft?
• What is the purpose of baffles in a fuel tank?
• What is the main purpose of using bleed air in thermal anti-icing systems?
• What is used to inflate an oleo strut landing gear shock?
• What does the yellow range on the airspeed indicator signify?
• Which system is most beneficial for maintaining stability in an aircraft during jettisoning of fuel?
• In terms of response time, what is a key limitation of the thermocouple fire detection system?
• What could potentially cause an AC electric motor to operate at a slower speed?
• What triggers the thermal switch to activate in a fire detection system?
• What is required after the replacement of components connected to the pitot-static system?
• Which methods can be used to inflate pneumatic deicer boots?
• What are the two types of fuel cells commonly used?
• What are the acceptable repair methods for damaged bonded honeycomb structures?
• What type of hand-held fire extinguishers are commonly available for extinguishing interior aircraft fires?
• What type of materials are typically used in honeycomb construction?
• What is the effect of using dope over paint enamel?
• Which of the following is NOT a function of shielding gas in welding?
• How are high and low-pressure oxygen cylinders identified?
• When do DC electric motors typically draw excessive current?
• What type of care should be given to landing gear shock struts?
• What methods are used to check the strength of doped fabric?
• What is the primary purpose of a microphone in a communication system?
• What is the function of the yellow disk in a CO2 fire extinguishing system?
• What is an ADF?
• When inspecting brakes, what should be checked for?
• What is a trim tab?
• Which federal regulation outlines the size and location requirements for aircraft identification numbers?
• What might indicate air in the hydraulic system during a brake check?
• What is the function of ventilating air in a combustion heater?
• Where are anti-tear strips installed on aircraft and why?
• What are pneumatic systems commonly used for in aircraft?
• What is a common characteristic of an effective pneumatic deicer system?
• What type of machine-sewed seams are commonly used in aircraft covering?
• What is a balance tab?
• Which of the following is a method used to apply pressure to joints in aircraft gluing operations?
• Which control surfaces cause the aircraft to move about the longitudinal axis?
• What can result if anti-tear strips are not used on aircraft with high speeds?
• What species of wood is used as a standard for strength properties of other species of wood in aircraft structures?
• Which types of hydraulic fluid are currently used in civil aircraft?
• Why should a pneumatic system be purged periodically?
• How can dents at a steel tube cluster joint be repaired?
• What is the primary advantage of using AC in aircraft electric power systems?
• What is the definition of a cross feed system in fuel management?
• What size should electrical conduit be in relation to the maximum diameter of a cable bundle?
• What type of wood quality must be used in the repair of aircraft structures?
• What are common problems encountered with windshield wipers?
• How can one identify marginal strength in aircraft fabric?
• What distinguishes laminated wood from plywood?
• How are thermal switches configured in a fire detection system?
• What type of warning devices are typically provided for retractable landing gear?
• Which flight controls are included in the auxiliary group?
• What is the purpose of drain grommets in aircraft fabric?
• What is gas-shielded arc welding?
• What are vortex generators?
• Which type of extinguishing agent is commonly used in high rate of discharge (HRD) systems?
• What is the role of the anti-torque pedals in a helicopter?
• What consequence arises from not properly capping hydraulic lines after disconnection?
• What is typically used to conduct a pressure check after fuel system repairs?
• At what time is the landing gear warning horn most likely to activate?
• How does a pneumatic rain removal system work?
• What colors does a CO detector change to when carbon monoxide fumes are present?
• When should the landing gear switches, lights, and warning devices be checked for proper operation?
• What is the purpose of using resin impregnated paper in honeycomb construction?
• What can lead to the failure of a fire detection system?
• How does a thermocouple fire detection system detect fire?
• What type of system is used to measure turbine engine exhaust gas temperature (EGT)?
• Why is anodized aluminum preferred for certain applications?
• What does crazing in plastic indicate about its durability?
• What role does the transmitter perform in a communication system?
• What is the purpose of using a primer before painting aircraft surfaces?
• What can excessive heat during welding cause to the welded material?
• Which fire extinguisher is considered most effective for electrical fires?
• What factors can cause an orange peel or pebble finish when painting?
• What term describes the edge of cloth, tape, or webbing that has been woven to prevent traveling?
• Which flight controls are considered the secondary group?
• What factors are used to determine the proper cable tension?
• Where are smoke detectors typically used in an aircraft?