All questions

FAA General Practice Test

Browse all practice questions for the FAA General Practice Test. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

FAA General Practice Test 2026 – Complete Exam Prep course image
A Micrometer Reading Explained: Understanding Measurements in Precision ToolsWhat reading does a micrometer typically provide?Calculating Horsepower: How to Determine Engine Power OutputAn engine of 98 horsepower maximum is running at 75 percent power. How much horsepower is being developed?Discover How to Convert 7/8 into a PercentageWhat percentage does 7/8 express as a percent?Discover the Best Tool for Measuring Piston Ring Side ClearancesWhat tool is used to measure the side clearances of piston rings?Discover the Regulation Behind Airworthiness CertificatesWhich regulation governs the issuance of an Airworthiness Certificate?Discover the Right Materials for Cleaning Anodized SurfacesWhich materials are acceptable for cleaning anodized surfaces?Discovering the Fraction That Equals 0.0250Which fraction is equal to 0.0250?Explore the Two Types of Human Failures in Aviation SafetyAccording to Dr. James Reason, which types of human failure can occur?Exploring the Power of Scientific Notation for NumbersWhat is the effective means of expressing very large or very small numbers succinctly?How to Best Protect Sealed Structural Steel Tubing from CorrosionHow can the interior surface of sealed structural steel tubing best be protected against corrosion?How to Calculate the Area of a Trapezoid with EaseHow is the area of a trapezoid typically computed?How to Calculate the Compression Ratio of a CylinderIf the volume of a cylinder with the piston at bottom center is 84 cubic inches and the piston displacement is 70 cubic inches, what is the compression ratio?How to Calculate the Volume of a Cylinder with EaseWhat is the volume of a cylinder if the diameter is 1.5 inches and the height is 4 inches?How to Calculate Work Input for a Mobile HoistCalculate the total work input required to move a mobile hoist that raises a 350-pound engine 3 feet and moves it forward 12 feet using a constant force of 70 pounds.How to Choose the Right Sheet Metal Size for Your CylinderWhat size of sheet of metal is required to fabricate a cylinder 20 inches long and 8 inches in diameter?How to Clean Magnesium Engine Parts the Right WayWhat is the recommended method for cleaning magnesium engine parts?How to Convert 0.0625 Inches to a Fractional EquivalentSelect the fractional equivalent for a 0.0625 inch thick sheet of aluminum.How to Keep Your Transparent Plastic Surfaces Scratch-FreeWhat is the first step to prevent scratching when cleaning a transparent plastic surface?How to Measure Material Thickness: The Importance of Decimal InchesIf a material's thickness is less than 1/8 inch, how is it most commonly measured?How to Prevent Tire Deterioration From Oil or GreaseWhat should be done to prevent rapid deterioration of a tire when it comes in contact with oil or grease?Technical Manuals: The Backbone of Aircraft MaintenanceWhat is a primary function of technical manuals according to the ATASpecification?Understand the Importance of FAA Form 337 for Aircraft MaintenanceA certificated mechanic without an inspection authorization who signs the appropriate block on FAA Form 337 is doing what?Understanding Alodizing: The Key to Enhanced Aluminum Surface TreatmentWhat is the name of the nonelectrolytic chemical treatment for aluminum alloys that enhances corrosion resistance and paint-bonding qualities?Understanding Eddy Current Inspection for Detecting Surface Defects in MetalsDuring an inspection, what might indicate surface defects in most metals?Understanding extraneous errors in aviation can enhance safetyIn the context of aviation, what is an 'extraneous error'?Understanding FAA General Practice Test Requirements for MechanicsA certificated mechanic shall not exercise the privileges of the certificate unless what condition has been met?Understanding FAA Type Certificate Data Sheets for Aircraft and EnginesWhat type of certificate is issued for products such as aircraft and engines?Understanding Gear Ratios in Simple Gear TrainsIn a simple gear train, if the drive gear has 14 teeth and a driven gear has 42 teeth, what is the gear ratio?Understanding how airplane wings create lift with air pressure dynamicsWhat fundamental principle is an airplane wing designed to exploit in order to produce lift?Understanding How Pressure Relates to Force and Area in Hydraulic SystemsWhat describes the relationship between pressure, force, and area in a hydraulic system?Understanding Human Error as the Foundation of Aviation SafetyWhat is considered the starting point in contemporary aviation safety?Understanding Intergranular Corrosion in Aluminum AlloysIn aluminum alloy parts, intergranular corrosion:Understanding Maximum Part Life and Average Life AchievedIf the maximum life of a part is 1100 hours, and the average life achieved from 15 parts is 835.3 hours, what percent of the maximum part life has been achieved?Understanding Measurements: What Does 5.59 Equal?What is 5.59 equal to in a specific measurement?Understanding Minor Repairs in Aircraft MaintenanceWhich statement regarding minor repairs is correct?Understanding Nondestructive Testing Methods in Material EvaluationWhich method is NOT a nondestructive testing method?Understanding Piston Displacement in Six-Cylinder EnginesWhat is the total piston displacement of a six-cylinder engine with a bore of 3.5 inches, a cylinder height of 7 inches, and a stroke of 4.5 inches?Understanding Speed Ratios in Gears: A Simple GuideWhat is the speed ratio of an input gear with 36 teeth meshed to a gear with 20 teeth?Understanding the Area Calculation of a TrapezoidCompute the area of the trapezoid based on the given dimensions.Understanding the Area of a Triangle in Simple TermsWhat is the area of a triangle if it measures 6 square inches?Understanding the Classification of Replacing a Damaged Vertical StabilizerWhat is the classification of the repair for replacing a damaged vertical stabilizer with a new identical stabilizer?Understanding the Conventional Measurement System in Everyday LifeWhich of the following units is part of the conventional (U.S. or English) measurement system?Understanding the Different Types of Helicopter Rotor SystemsThe main rotor system on a helicopter is classified into several groups. Which of those listed is NOT one of these groups?Understanding the Duration of Your Temporary Airman CertificateWhat is the maximum duration of a temporary airman certificate?Understanding the Goals of Airframe Repair in AviationA repair on an airframe aims to achieve which outcome?Understanding the Impact of Improper Heat Treatment on Intergranular CorrosionWhat is a primary cause of intergranular corrosion?Understanding the Importance of Accurate Maintenance Records During Aircraft InspectionsDuring which inspection is the proper entry in maintenance records crucial?Understanding the Importance of Documenting Maintenance Work in AviationWhen must the name of the person performing the work be included in the maintenance record?Understanding the Importance of Wing Dihedral for Aircraft StabilityThe purpose of aircraft wing dihedral is to achieve what effect?Understanding the Key Role of Certificated Mechanics in Aircraft MaintenanceWhat is the primary role of a certificated mechanic in the aircraft maintenance process?Understanding the Precision of Micrometer Calipers for Engine MeasurementsWhat precision measuring tool is specifically used for measuring crankpin and main bearing journals for out-of-round wear?Understanding the Result of 36,002 in ArithmeticWhen solving the equation, what is the result of 36,002?Understanding the Right Tool to Check a Connection Rod's TwistWhat tool is used to check the twist of a connection rod?Understanding the Role of Bytes in Digital InformationWhat is defined as a group of bits representing a complete piece of information?Understanding the Role of Micrometers in Measuring Engine ComponentsWhich measurement tool is important for identifying out-of-round conditions in engine components?Understanding the Role of Temperature in Kinetic EnergyWhich statement concerning heat and/or temperature is true?Understanding the Value of 10 Raised to the Negative Sixth PowerWhat is the value of 10 raised to the negative sixth power?Understanding the Volume Behavior of Confined Liquids Under PressureIf the pressure of a confined liquid is tripled while the temperature remains constant, how will the volume be affected?Understanding What a Certificated Mechanic Cannot Do on an AircraftWhich of the following actions can a certificated mechanic NOT perform on an aircraft?Understanding What’s Not Included in an Airworthiness ReleaseWhich of the following is NOT typically included in an Airworthiness Release?Understanding Where to Record a 100-Hour Inspection in Aircraft MaintenanceWhere is the entry recorded after completing a 100-hour inspection?Understanding Who Approves Propellers for Return to Service After a 100-Hour InspectionWho has the authority to approve a propeller for return to service after a 100-hour inspection?Understanding Who Can Correct Aircraft DiscrepanciesWho can correct discrepancies found on an aircraft that is not approved for return to service?Understanding Who Issues a Technical Standard Order in AviationWho issues a Technical Standard Order (TSO)?Unlocking Precision: How to Read Your Micrometer CorrectlyWhat is the measurement reading on the illustrated micrometer?What Factors Influence the Speed of Sound in the Atmosphere?What variable affects the speed of sound in the atmosphere?What Happens to Pressure When Volume and Temperature of a Gas Double?If both the volume and the absolute temperature of a confined gas are doubled, what will happen to the pressure?What is a Discontinuity in Nondestructive Testing?A discontinuity in nondestructive testing may be defined as what?What solvent should you use for cleaning surfaces before painting?Which solvent is recommended for wipedown of cleaned surfaces just before painting?What You Need to Know about Relative HumidityWhat term describes the ratio of actual water vapor present in the atmosphere to the amount that would be present if the air were saturated?Why Numbered Systems Matter in ATA Specification No. 100When referring to ATA Specification No. 100, what is the significance of numbered systems?
More practice questions

These questions are part of the practice quiz. Start practicing

  • What are the desired effects of using Alodine or Bonderite on aluminum alloy?
  • What is considered a minor repair concerning airframe components?
  • Which condition is NOT required for corrosion to occur?
  • What is the solution to the equation -5.20?
  • What occurs when spilled mercury comes into contact with aluminum?
  • What is the cause of corrosion due to galvanic action?
  • At what intervals should you check the thrust bearing nut for tightness?
  • Which nondestructive testing method is suitable for inspecting metals, plastics, and ceramics for defects?
  • Which of the following is NOT a recognized method of heat transfer?
  • What is the scientific notation of the number 0.000347?
  • A rectangular shaped fuel tank measures 27-1/2 inches in length, 3/4 foot in width, and 8-1/4 inches in depth. How many gallons will the tank contain?
  • What is the piston displacement of a master cylinder with a diameter of 1.5 inches and a stroke of 4 inches?
  • What is 5/8 expressed as a percent?
  • Which tool is typically used to set a divider to an exact dimension?
  • What is the result of solving the equation (-1776)/(-2) - 632?
  • What percentage do 65 engines represent of 80 engines?
  • If a box measures 3 feet long, 2 feet wide, and 1 foot tall, what is the volume in cubic feet?
  • What is the purpose of stall strips on airplane wings?
  • What is the ratio of a gasoline fuel load of 200 gallons to one of 1,680 pounds?
  • Fayed surfaces are concerning in chemical cleaning due to the risk of:
  • Which type of corrosion may not be detectable by careful visual inspection of aluminum alloy parts?
  • What has been the shift in focus concerning human error in aviation?
  • What is the vernier scale graduation of a micrometer typically represented by?
  • Which term describes the safety measures that focus on identifying potential errors before they occur?
  • What tool is used to check the stem on a poppet-type valve for stretch?
  • In a hydraulic system, what happens to the force if the area of the piston is doubled while keeping the pressure constant?
  • What can partially restore a damaged anodized surface coating?
  • What is the force exerted on a piston if the fluid pressure in a 1/2-inch line is 800 PSI with a piston area of 10 square inches?
  • A repair, as performed on an airframe, shall mean what?
  • What is the square root of 3722.1835?
  • Where would you typically find specifications for an aircraft model manufactured under a type certificate with less than 50 units on the FAA registry?
  • What is the depth of a cube if its surface area measures 315.375 square inches?
  • What is the decimal equivalent of the diameter if the radius of a piece of round stock is 7/32?
  • What would be the resulting horsepower of an engine at 80 percent power, if it produces 120 horsepower at full capacity?
  • Which material is acceptable to use with flammable chemical cleaning agents on aircraft?
  • In a 3,000 psi system, if a double-acting actuating cylinder has a piston surface area of three square inches, what force can it produce when retracting?
  • Which document represents recognized standards for aviation maintenance practices?
  • What is one of the privileges of certificated mechanics regarding inspections?
  • How should corrosion be removed from magnesium parts?
  • What is the decimal form of 3.47 x 10 to the negative fourth power?
  • What is the measurement reading on the Vernier caliper scale?
  • For what reason would a water break test be conducted?
  • What force is exerted on a piston if the area is 1.2 square inches and the fluid pressure is 850 PSI?
  • What must an approving person enter in the maintenance record after approving for return to service?
  • According to Bernoulli's principle, which statement is correct?
  • Calculate the surface area of a cube with a side length of 7.25 inches.
  • Which of the following tools is least likely to be used for precision measurement in aviation mechanics?
  • What does ATA iSec 2200 refer to?
  • Who is responsible for making entries in maintenance records after an inspection?
  • What is the result of 64 cubed?
  • If a vehicle travels 240 miles by using 8 gallons of gasoline, what is the fuel efficiency in miles per gallon?
  • What is the definition of absolute humidity?
  • What is needed to convert square inches into square feet?
  • Why should the crankshaft not be rotated after adding the corrosion preventive mixture into the cylinders of engines prepared for storage?
  • What is the square root of 16 raised to the fourth power?
  • What does the Type Certificate Data Sheet designation code '2 PCSM' indicate?
  • What does FAA Form 337 relate to?
  • What is a primary concern when using ordinary cleaning compounds on aircraft?
  • What can be used to remove corrosion from highly stressed steel surfaces?
  • What is the volume in cubic inches of a rectangular-shaped fuel tank measuring 37.5 inches in length, 14 inches in width, and 8.25 inches in depth?
  • If a pinion gear with 14 teeth is driving a spur gear with 42 teeth at 140 rpm, what is the speed of the pinion gear?
  • What does the FAA use to notify aircraft owners of unsafe conditions and prescribe conditions for operation?
  • When converting 1200 grams to pounds, approximately how many pounds would it equal given that 1 pound is approximately 454 grams?
  • What must an aircraft owner do if the aircraft was not approved for return to service after an annual inspection?
  • In an engine cycle, what is the purpose of the exhaust stroke?
  • How many cubic inches does a single cylinder displace if it has a bore of 3 inches and a stroke of 5 inches?
  • How would you calculate the area of a triangle given the base and height?
  • Which of the following materials is considered the most cathodic?
  • Which tool can determine piston pin out-of-round wear?
  • Which document typically outlines the procedures and guidelines mechanics must adhere to?
  • What is the binary representation of the decimal number 7?
  • What does absolute humidity refer to in a mixture of air and water?
  • Which statement is true regarding the use of dividers as a measuring device?
  • Under which conditions will the rate of flow of a liquid through a metering orifice be the greatest?
  • What is the square root of 124.9924?
  • What does total piston displacement in a reciprocating engine refer to?
  • What is the result of the expression (-3 + 2)(-12 - 4) + (-4 + 6) x 3?
  • What type of measurements does a thickness gauge typically provide?
  • The speed of sound in the atmosphere is most affected by variations in which of the following?
  • Regarding 14 CFR Part 65 Subpart D, what does it contain regulations for?
  • Which publication contains standards for protrusion of bolts, studs, and screws through self-locking nuts?
  • What additional information should be included on the attached sheet(s) when more specifications are needed for a work description on FAA Form 337?
  • What is the effect of anodizing on metals?
  • What unit of measurement is equivalent to 7.5 gallons of fuel?
  • What is the fraction equivalent of 1.21875?
  • The temperature to which humid air must be cooled at constant pressure to become saturated is called what?
  • What is the result of solving the equation [(4 x -3)+(-9 x 2)] / 2?
  • To reconstruct lost or destroyed aircraft maintenance records, what must be established?
  • If a defect is found during an inspection making the aircraft unairworthy, what must the disapproving person do?
  • The rust or corrosion found in most metals is primarily a result of what tendency?
  • If a force of 1,020 pounds is exerted on a piston, what is the pressure if the area is 1.2 square inches?
  • What is the maximum horsepower developed if a 1/2 horsepower engine operates at 90% efficiency?
  • What is a method to inspect the dimensions of a bearing in a rocker arm?
  • What is the volume in cubic feet of a rectangular-shaped fuel tank measuring 60 inches in length, 30 inches in width, and 12 inches in depth?
  • Which of the following includes all the regulatory definitions of 'maintenance'?
  • A person installing a product, part, or appliance on a type certificated product must ensure that the item's records document what type of statement?
  • What calculation is performed to find the volume of a rectangular tank?
  • Which of the following statements reflects the nature of maintenance manuals under ATA standards?
  • What must be done concerning minor repairs on a certificated aircraft?
  • What is the approximate piston displacement of a four-cylinder aircraft engine with a cylinder bore of 3.78 inches and a depth of 8.5 inches?
  • Who is authorized to perform a 100-hour inspection on aircraft operated for hire?
  • What must a mechanic demonstrate to exercise the privileges of their certificate?
  • What does the term 'latent error' refer to?
  • What is the area of the triangle formed by points A, B, and C if A to B is 7.5 inches and A to D is 16.8 inches?
  • What are the three types of human error identified in aviation?
  • What does the term 'active error' refer to in aviation safety?
  • Fretting corrosion is likely to occur when what conditions are met?
  • What is the speed of a spur gear with 42 teeth driven by a pinion gear with 14 teeth turning at 420 RPM?
  • Which of the following is a common cause of corrosion in metal parts?
  • If a part sells for $145.60 and the profit is 12 percent, what is the cost of the part?
  • What kind of maintenance record is crucial for assessing airframe history?
  • What is the outcome of solving the equation referenced in the flashcards?
  • What inspections can a certificated airframe and powerplant mechanic perform?
  • What is the decimal equivalent of the binary number 00001111?
  • Galvanic corrosion is likely to be most rapid when:
  • What is the square root of 1,746?
  • Regarding the following statements, which is true? “(1) Certificated mechanic with an airframe rating may perform a minor repair to an airspeed indicator providing they have the necessary equipment available. (2) Certificated mechanics with a powerplant rating may perform a major repair to a propeller providing they have the necessary equipment available.”
  • Which document must reflect that an installation meets FAA airworthiness standards?
  • What does the acronym ATA stand for in aviation documentation?
  • Which tool is used to measure clearance between a surface plate and a narrow surface for flatness?
  • What effect do caustic cleaning products have on aluminum structures?
  • What is required to be noted after performing maintenance or alteration on an aircraft?
  • Which regulation states that a checklist must be used during an annual or 100-hour inspection?
  • Which of the following factors are necessary to calculate power in physics?
  • Which inspections is a mechanic allowed to perform and approve for return to service?
  • When can a mechanic who does not speak English apply for a mechanic certificate?
  • What must a mechanic do following a 100-hour inspection before returning the aircraft to service?
  • If all, or a significant part of a stall strip is missing on an airplane wing, what is a likely result?
  • A properly maintained airframe is determined through what process?
  • Which equation resolves to the largest number?
  • Which statement accurately describes cathodic and anodic areas in galvanic corrosion?
  • What type of repair is the replacement of a damaged engine mount with a new identical engine mount?
  • What occurs when the collective pitch control lever of a helicopter is raised?
  • Which number represents the square root of 1,824?
  • Which nondestructive testing method requires minimal part preparation and is effective for detecting surface defects?
  • What is the first step in solving the equation 4 - 3[-6(2 + 3) + 4]?
  • What type of tool is a micrometer?
  • If the volume of a confined gas is doubled (with no addition of gas) and temperature remains constant, what will happen to the pressure?
  • When cleaning magnesium components, which method is NOT recommended?
  • What information is specifically not included in a maintenance record entry for inspections?
  • When should a mechanic’s certification be suspended?
  • How much current does a 30-volt, 1/2 horsepower motor that is 85 percent efficient draw from the bus?
  • What should a mechanic use to accurately measure the diameter of a hole that is about 1/4 inch?
  • What are the positive aspects of human factor issues collectively known as?
  • What do you obtain when you solve the equation 4 - 3[-6(2 + 3) + 4]?
  • Which atmospheric conditions will cause the true landing speed of an aircraft to be the greatest?
  • Which inspections can certificated mechanics with a powerplant rating perform?
  • Which statement is true regarding a certificated and appropriately rated mechanic and major repairs?
  • What is the answer to the equation (32 x 3/8) / 1/6?
  • Which of the following statements about the corrosion process is true?
  • Which formula do you use to find the volume of a cylinder?
  • What action is required when an aircraft is not in a condition for return to service?
  • What solution should be used to neutralize affected nickel-cadmium battery cases?
  • What is the grip length of the specified aircraft bolt?
  • Which records must be retained and transferred with an aircraft when it is sold?
  • The boiling point of a given liquid varies with what factor?
  • What is a common method for determining if a piston is functioning properly in a double-acting hydraulic cylinder?
  • What is the maximum penalty for cheating or unauthorized conduct when taking an FAA mechanic test?
  • How many gallons of fuel are contained in a tank measuring 2 feet in width, 3 feet in length, and 1 foot 8 inches in depth?
  • In a two-gear system, if Gear A has 10 teeth and Gear B has 30 teeth, what is the speed ratio?
  • Select the container size that will equal 60 gallons of fuel.
  • What is the goal of the "SHEL" model in human factors?
  • Which of the following materials is considered the most anodic?
  • Which of the following statements is true regarding error management in aviation?
  • What tool is commonly used to calibrate a micrometer or check its accuracy?
  • What type of gauge is used to take measurements between the arbor and the parallel bar?
  • Which decimal is most nearly equal to a bend radius of 31/64?
  • Solve the equation: What is the result of \( 7 + 7 \) in decimal form?
  • What is the term for the lifting or flaking of metal at the surface due to delamination caused by pressure from corrosion residual product buildup?
  • How many parts need to be fabricated by the mechanic in the construction and installation of one doubler?
  • What does galvanic corrosion depend on?
  • What is the main purpose of ATA Specification No. 100?
  • What is the length of a cylinder if its height is given as 20 inches?
  • If a tank measures 120 inches in length, 60 inches in width, and 30 inches in depth, how many gallons does it hold? (1 cubic foot = 7.48 gallons)
  • Where is galvanic corrosion most likely to occur?
  • What is the primary purpose of using winglets on an aircraft's wingtips?
  • What is the area of a rectangle with a length of 10 feet and a width of 4 feet?
  • What is Newton's first law of motion, often called the law of inertia?
  • Which of the following is NOT a consequence of human error?
  • What is the square root of 4 raised to the fifth power?
  • When an aircraft is sold domestically, what happens to the Airworthiness Certificate?
  • What is the reading on the micrometer?
  • What is the minimum space required for an aircraft registration mark with a letter height of 12 inches?
  • Which calculation will yield the largest value: 10 x 10, 100 ÷ 4, or 5 x 20?
  • If an engine develops 108 horsepower at 87 percent power, what horsepower would it develop at 65 percent power?
  • When discussing electrical motors, what does the term "efficiency" refer to?
  • Which gear would rotate faster if gear A has 36 teeth and gear B has 20 teeth?
  • What is the decimal that is most nearly equal to 77/64?
  • Type Certificate Data Sheets are issued for which of the following products?
  • How many bits are there in a Byte?
  • What is the necessary fuel in gallons for an airplane to travel 2,500 miles if it used 60 gallons for 750 miles?
  • What is the density of the fuel load if 200 gallons weigh 1,680 pounds?
  • Which inspection document outlines necessary items for annual or 100-hour inspections?
  • What does FAA Form 337 primarily document?
  • What is the aspect ratio of a wing defined as?
  • Which of the following is closest to the approximate value of the square root of 2400?
  • How is a quality system assured in aviation safety measures?
  • Which answer is equal to 16,300?
  • What nondestructive testing method is used to determine the soundness of a bonded honeycomb repair?
  • What must be done if a mechanic discovers a defect during a routine inspection?
  • What is the effect of a wing with a very high aspect ratio in comparison to a low aspect ratio wing?
  • Which solvent is suitable for cleaning acrylics and rubber?
  • For aircraft under part 91, what is included in the inspection entry that is not required for maintenance record entries?
  • How long is the applicable period for scheduling recurring Airworthiness Directives (ADs)?
  • In a hydraulic system with a displacement of 70 cubic inches, what happens to the pressure if the volume remains constant but the area of the cylinder increases?
  • Where is Airworthiness Directives compliance typically recorded?
  • What is the primary concern when performing inspections on aircraft?
  • What amount of force must be applied to roll a 120-pound barrel up a 9-foot inclined plane to a height of 3 feet, ignoring friction?
  • What is the ratio of 10 feet to 30 inches?
  • How much work is needed to lower a 120-pound weight from a height of 3 feet to the ground, without dropping it?
  • What is one effective way to increase resistance to stress corrosion cracking?
  • Which composition represents the lightest weight among the options?
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy