A&P GENERAL-2

Which of the following terms is/are used to indicate specific measured distances from the datum and/or other points identified by the manufacturer, to points in or on the aircraft? 1) Zone numbers. 2) Reference numbers. 3) Station numbers. 3. 2. 1 and 3.

If each cell, connected in series, equals 2 volts, how would a 12-cell lead acid battery be rated?. 12 volts. 6 volts. 24 volts.

Which tool is used to measure the clearance between a surface plate and a relatively narrow surface being checked for flatness?. Thickness gauge. Depth gauge. Dial indicator.

Which heat-treating operation would be performed when the surface of the metal is changed chemically by introducing a high carbide or nitride content?. Normalizing. Tempering. Case hardening.

Which effect does not apply to the movement of electrons flowing in a conductor?. Magnetic energy. Static energy. Thermal energy.

(1) A measurement should not be scaled from an aircraft print because the paper shrinks or stretches when the print is made. (2) When a detail drawing is made, it is carefully and accurately drawn to scale, and is dimensioned. Regarding the above statements,. only No. 2 is true. both No. 1 and No. 2 are true. neither No. 1 nor No. 2 is true.

Sketches are usually made easier by the use of. graph paper. artist's paper. plain white paper.

(Refer to Figure 26.) Which of the logic gate output conditions is correct with respect to the given inputs?. 2. 1. 3.

Which decimal is most nearly equal to a bend radius of 31/64?. 0.3164. 0.4844. 0.2065.

Under Title 14 of the Code of Federal Regulations, what is the maximum penalty for falsification, alteration, or fraudulent reproduction of certificates, logbooks, reports, and records?. Suspension or revocation of any certificate held. Ineligibility to receive any certificate or rating for one year. Imprisonment for one year and a $5,000.00 fine.

If the empty weight CG of an airplane lies within the empty weight CG limits,. it is necessary to calculate CG extremes. it is not necessary to calculate CG extremes. minimum fuel should be used in both forward and rearward CG checks.

When may an otherwise qualified mechanic who does not read, write, speak, and understand the English language be eligible to apply for a mechanic certificate?. When employed outside the United States by a U.S. air carrier. When employed outside the United States. When a special authorization has been granted by the Administrator.

When installing bonded clamps to support metal tubing,. paint clamp and tube after clamp installation to prevent corrosion. remove paint or anodizing from tube at clamp location. paint removal from tube is not recommended as it will inhibit corrosion.

What type of diagram shows the wire size required for a particular installation?. A wiring diagram. A block diagram. A schematic diagram.

Which of the following is Newton's First Law of Motion, generally termed the Law of Inertia?. Every body persists in its state of rest, or of motion in a straight line, unless acted upon by some outside force. To every action there is an equal and opposite reaction. Force is proportional to the product of mass and acceleration.

For aircraft operated under part 91, which of the following records must be retained and transferred with the aircraft when it is sold?. Records of maintenance, alterations, preventive maintenance, 100-hour, annual, and progressive inspections. Records of the current status of applicable AD's, and date and time when recurring AD's are next due. Records of inspections performed in accordance with 14 CFR part 43, Appendix D.

In most aircraft hydraulic systems, two-piece tube connectors consisting of a sleeve and a nut are used when a tubing flare is required. The use of this type connector eliminates. the possibility of reducing the flare thickness by wiping or ironing during the tightening process. the flaring operation prior to assembly. wrench damage to the tubing during the tightening process.

(Refer to Figure 4.) How much power is being furnished to the circuit?. 2,875 watts. 575 watts. 2,645 watts.

A blueprint shows a hole of 0.17187 to be drilled. Which fraction size drill bit is most nearly equal?. 11/64. 11/32. 9/32.

(Refer to Figure 19.) When the throttles are retarded with only the right gear down, the warning horn will not sound if an open occurs in wire. No. 13. No. 5. No. 6.

When calculating power in a reactive or inductive ac circuit, the true power is. less than the apparent power. less than the apparent power in a reactive circuit and more than the apparent power in an inductive circuit. more than the apparent power.

The working voltage of a capacitor in an ac circuit should be. equal to the highest applied voltage. at least 20 percent greater than the highest applied voltage. at least 50 percent greater than the highest applied voltage.

(Refer to Figure 53.) Solve the equation. .0419. .0297. .1680.

The testing medium that is generally used in magnetic particle inspection utilizes a ferromagnetic material that has. high permeability and low retentivity. low permeability and high retentivity. high permeability and high retentivity.

In an N-P-N transistor application, the solid state device is turned on when the. emitter is positive with respect to the base. base is positive with respect to the emitter. base is negative with respect to the emitter.

(Refer to Figure 61.) The amount of force applied to rope A to lift the weight is. 12 pounds. 20 pounds. 15 pounds.

What is meant by the term "residual fuel"?. The fuel remaining in the tank, lines, and engine before draining. The fuel remaining in the tanks, lines, and engine after draining. A known amount of fuel left in the tanks, lines, and engine.

(Refer to Figure 44.) Select the illustration which depicts a cold weld. 4. 2. 3.

(Refer to Figure 24.) Which statement concerning the depicted logic gate is true?. Any input being 1 will produce a 1 output. All inputs must be 1 to produce a 1 output. Any input being 1 will produce a 0 output.

Which heat-treating process of metal produces a hard, wear-resistant surface over a strong, tough core?. Annealing. Tempering. Case hardening.

An engine that weighs 350 pounds is removed from an aircraft by means of a mobile hoist. The engine is raised 3 feet above its attachment mount, and the entire assembly is then moved forward 12 feet. A constant force of 70 pounds is required to move the loaded hoist. What is the total work input required to move the hoist?. 1,050 foot-pounds. 1,890 foot-pounds. 840 foot-pounds.

Which is an appliance major repair?. Repairs to a propeller governor or its control. Overhaul of a hydraulic pressure pump. Troubleshooting and repairing broken circuits in landing light circuits.

When an airworthy (at the time of sale) aircraft is sold, the Airworthiness Certificate: Is transferred with the aircraft. Is voided and a new certificate is issued upon application by the new owner. Becomes invalid until the aircraft is reinspected and approved for return to service.

When an aircraft is positioned for weighing on scales located under each landing gear wheel, which of the following may cause erroneous scale readings?. Parking brakes not set. Parking brakes set. Gear downlocks installed.

The maximum weight as used in weight and balance control of a given aircraft can normally be found. by adding the weight of full fuel, pilot, passengers, and maximum allowable baggage to the empty weight. by adding the empty weight and payload. in the Aircraft Specification or Type Certificate Data Sheet.

(Refer to Figure 44.) Identify the weld caused by an excessive amount of acetylene. 1. 3. 4.

(Refer to Figure 58.) Solve the equation. 68.037. 174.85. 14.002.

When, or under what condition(s) are adverse loading checks conducted?. Anytime a repair or alteration causes EWCG to fall outside the CG range. At or below the maximum gross weight of the aircraft. At specified flight hour or calendar time intervals.

Which of the following occurs when a mechanical force is repeatedly applied to most metals at room temperature, such as rolling, hammering, or bending? 1) The metals become artificially aged. 2) The metals become stress corrosion cracked. 3) The metals become cold worked, strain or work hardened. 1 and 3. 2. 3.

Which statement is true regarding flattening of tubing in bends?. The small diameter portion in the bend cannot exceed more than 75 percent of the diameter of straight tubing. Flattening by a maximum of 20 percent of the original diameter is permissible. Flattening by not more than 25 percent of the original diameter is permissible.

Which of the following methods may be suitable to use to detect cracks open to the surface in aluminum forgings and castings? 1) Dye penetrant inspection. 2) Magnetic particle inspection. 3) Metallic ring (coin tap) inspection. 4) Eddy current inspection. 5) Ultrasonic inspection. 6) Visual inspection. 1, 4, 5, 6. 1, 2, 3, 4, 5, 6. 1, 2, 4, 5, 6.

When an empty aircraft is weighed, the combined net weight at the main gears is 3,540 pounds with an arm of 195.5 inches. At the nose gear, the net weight is 2,322 pounds with an arm of 83.5 inches. The datum line is forward of the nose of the aircraft. What is the empty CG of the aircraft?. 146.5. 151.1. 155.2.

Nickel-cadmium battery cases and drain surfaces which have been affected by electrolyte should be neutralized with a solution of. boric acid. sodium bicarbonate. potassium hydroxide.

(1) Jet fuel is of higher viscosity than aviation gasoline and therefore holds contaminants better. (2) Viscosity has no relation to contamination of fuel. Regarding the above statements: Both No. 1 and No. 2 are true. Only No. 1 is true. Neither No. 1 nor No. 2 is true.

An aircraft with an empty weight of 1,800 pounds and an empty weight CG of +31.5 was altered as follows: 1) two 15-pound passenger seats located at +72 were removed; 2) structural modifications increasing the weight 14 pounds were made at +76; 3) a seat and safety belt weighing 20 pounds were installed at +73.5; and 4) radio equipment weighing 30 pounds was installed at +30. What is the new empty weight CG?. +30.61. +31.61. +32.69.

(Refer to Figure 45.) What type weld is shown at B?. Fillet. Butt. Double butt.

Which of the following are acceptable to use when utilizing chemical cleaning agents on aircraft? 1) Synthetic fiber wiping cloths when using a flammable agent. 2) Cotton fiber wiping cloths when using a flammable agent. 3) Atomizing spray equipment. 1. 2 and 3. 2.

(1) The Federal Aviation Regulations require approval after compliance with the data of a Supplemental Type Certificate. (2) An installation of an item manufactured in accordance with the Technical Standard Order system requires no further approval for installation in a particular aircraft. Regarding the above statements: Neither No. 1 nor No. 2 is true. Only No. 1 is true. Only No. 2 is true.

A wing with a very high aspect ratio (in comparison with a low aspect ratio wing) will have. a low stall speed. poor control qualities at low airspeeds. increased drag at high angles of attack.

(Refer to Figure 71.) What is the volume of a sphere with a radius of 4.5 inches?. 381.7 square inches. 47.71 cubic inches. 381.7 cubic inches.

Which of the following logic gates will provide an active high out only when all inputs are different?. XNOR. XOR. NAND.

If it is necessary to accurately measure the diameter of a hole approximately 1/4 inch in diameter, the mechanic should use a. small-hole gauge and determine the size of the hole by taking a micrometer reading of the ball end of the gauge. 0- to 1-inch inside micrometer and read the measurement directly from the micrometer. telescoping gauge and determine the size of the hole by taking a micrometer reading of the adjustable end of the telescoping gauge.

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

Why should an aircraft maintenance technician be familiar with weld nomenclature?. So that accurate visual (pictorial) comparisons can be made. In order to compare welds with written (non-pictorial) description standards. In order to gain familiarity with the welding technique, filler material, and temperature range used.

In magnetic particle inspection, a flaw that is perpendicular to the magnetic field flux lines generally causes. no disruption in the magnetic field. a minimal disruption in the magnetic field. a large disruption in the magnetic field.

What is the purpose of the ground symbol used in electrical circuit diagrams?. To show that there is common bus for connection of the source of electrical energy to the load. To show the source of electrical energy for the load. To show that there is a return path for the current between the source of electrical energy and the load.

If the volume of a cylinder with the piston at bottom center is 84 cubic inches and the piston displacement is 70 cubic inches, then the compression ratio is. 6:1. 7:1. 1.2:1.

The core material of Alclad 2024-T4 is. heat-treated aluminum alloy, and the surface material is commercially pure aluminum. strain-hardened aluminum alloy, and the surface material is commercially pure aluminum. commercially pure aluminum, and the surface material is heat treated aluminum alloy.

(Refer to Figure 16.) Energize the circuit with the fuel tank selector switch selected to the left-hand position. Using the schematic, identify the switches that will change position. 5, 9, 10, 11, 12, 13, 15. 3, 5, 6, 7, 11, 13. 5, 6, 11, 12, 13, 15, 16.

Characteristics of detonation are: Rapid rise in cylinder pressure, excessive cylinder head temperature, and a decrease in engine power. Rapid rise in cylinder pressure, cylinder head temperature normal, and a decrease in engine power. Cylinder pressure remains the same, excessive cylinder head temperature, and a decrease in engine power.

Which tool is used to find the center of a shaft or other cylindrical work?. Dial indicator. Micrometer caliper. Combination set.

Where do you look to determine the operating CG range when calculating a new aircraft weight and balance document?. It is found in the type certificate data sheet. It is found on the airframe data plate. It is found in the pilot's aircraft information manual.

(1) Schematic diagrams indicate the location of individual components in the aircraft (2) Schematic diagrams indicate the location of components with respect to each other within the system Regarding the above statements,. only No. 1 is true. only No. 2 is true. both No. 1 and No. 2 are true.

How may magnesium engine parts be cleaned?. Wash with a commercial solvent, decarbonize, and scrape or grit blast. Soak in a 20 percent caustic soda solution. Spray with MEK (methyl ethyl ketone).

A 24-volt source is required to furnish 48 watts to a parallel circuit consisting of four resistors of equal value. What is the voltage drop across each resistor?. 6 volts. 24 volts. 12 volts.

Express 7/8 as a percent. .875 percent. 87.5 percent. 8.75 percent.

(Refer to Figure 67.) Solve the equation. 0.042. 12.16. 5.58.

What type of corrosion may attack the grain boundaries of aluminum alloys when the heat treatment process has been improperly accomplished?. Concentration cell. Fretting. Intergranular.

One way of obtaining increased resistance to stress corrosion cracking is by. producing nonuniform deformation while cold working during the manufacturing process. creating compressive stresses (via shot peening) on the metal surface. relieving compressive stresses (via heat treatment) on the metal surface.

Which of the following is NOT considered a method of heat transfer?. Convection. Diffusion. Conduction.

Which statement relating to the residual magnetizing inspection method is true?. It is used in practically all circular and longitudinal magnetizing procedures. Subsurface discontinuities are made readily apparent. It may be used with steels which have been heat treated for stressed applications.

(1) Propellers are NOT included in the Airworthiness Directive system. (2) A certificated powerplant mechanic may make a minor repair on an aluminum propeller and approve for return to service. Regarding the above statements: Both No. 1 and No. 2 are true. Only No. 2 is true. Neither No. 1 nor No. 2 is true.

(Refer to Figure 62, 62A, and 62B as necessary.) Using only the information given (when bend allowance, set back, etc. have been calculated) which doubler is it possible to construct and install?. -102. Both. -101.

The replacement of a damaged engine mount with a new identical engine mount purchased from the aircraft manufacturer is considered a. major or minor repair, depending upon the complexity of the installation. major repair. minor repair.

Why is steel tempered after being hardened?. To relieve its internal stresses and reduce its brittleness. To increase its hardness and ductility. To increase its strength and decrease its internal stresses.

Which statement(s) about Military Standard (MS) flareless fittings is/are correct? 1) During installation, MS flareless fittings are normally tightened by turning the nut a specified amount, rather than being torqued. 2) New MS flareless tubing/fittings should be assembled clean and dry without lubrication. 3) During installation, MS flareless fittings are normally tightened by applying a specified torque to the nut. 1 and 2. 3. 1.

What two types of indicating mediums are available for magnetic particle inspection?. Iron and ferric oxides. High retentivity and low permeability material. Wet and dry process materials.

Express 5/8 as a percent. 6.25 percent. 62.5 percent. .625 percent.

What is the opposition to the flow of AC produced by a magnetic field with generated back voltage (EMF) called?. Inductive reactance. Mutual inductance. Capacitive reactance.

When reading a blueprint, a dimension is given as 4.387 inches +.005 −.002. Which statement is true?. The maximum acceptable size is 4.390 inches. The minimum acceptable size is 4.382 inches. The minimum acceptable size is 4.385 inches.

(Refer to Figure 70.) Which alternative answer is equal to 5.59?. 2. 1. 3.

What is descriptive of the annealing process of steel during and after it has been annealed?. Slow cooling; increased resistance to wear. Rapid cooling; high strength. Slow cooling; low strength.

Under the Federal Aviation Regulations, an aviation maintenance technician is required to perform maintenance on an aircraft so that it: Always meets its original type design. Is at least equal to its original or properly altered condition. Exceeds minimum standards with regard to aerodynamic function, structural strength, resistance to vibration, and other qualities affecting airworthiness.

A specific measured distance from the datum or some other point identified by the manufacturer, to a point in or on the aircraft is called a. station number. zone number. reference number.

Find the square root of 1,824. .42708 x 10 to the second power. 42.708 x 10 to the negative second power. .42708.

When approaching the rear of an idling turbojet or turbofan engine, the hazard area extends aft of the engine approximately: 100 Feet. 50 Feet. 200 Feet.

Identify the correct statement. Dividers do not provide a reading when used as a measuring device. Tools used on certificated aircraft must be an approved type. An outside micrometer is limited to measuring diameters.

Airworthiness Directives are issued primarily to: Provide information about malfunction or defect trends. Correct an unsafe condition. Present recommended maintenance procedures for correcting potentially hazardous defects.

Which statement below reflects a typical requirement when towing some aircraft?. Discharge all hydraulic pressure to prevent accidental operation of the nosewheel steering mechanism. If the aircraft has a steerable nosewheel, the torque-link lock should be set to full swivel. Tailwheel aircraft must be towed backwards.

Which tubings have the characteristics (high strength, abrasion resistance) necessary for use in a high-pressure (3,000 PSI) hydraulic system for operation of landing gear and flaps?. 1100-1/2H or 3003-1/2H aluminum alloy. Corrosion-resistant steel annealed or 1/4H. 2024-T or 5052-0 aluminum alloy.

One purpose for schematic diagrams is to show the. functional location of components within a system. size and shape of components within a system. physical location of components within a system.

A 14-ohm resistor is to be installed in a series circuit carrying .05 ampere. How much power will the resistor be required to dissipate?. Less than .035 watt. At least 35 milliwatts. At least .70 milliwatt.

What factors strengthen a coil inductor?. Adding coils close together. Limiting and separating the coils. Adding and separating the coils.

(Refer to Figure 2.) What is the total capacitance of a circuit containing three capacitors with capacitances of .02 microfarad, .05 microfarad, and .10 microfarad, respectively?. .170 µF. .0125 µF. 0.125 pF.

The maximum distance between end fittings to which a straight hose assembly is to be connected is 50 inches. The minimum hose length to make such a connection should be. 51-1/2 inches. 52-1/2 inches. 54-1/2 inches.

When taxiing (or towing) an aircraft, an alternating red and green light from the control tower means: Return to starting point. OK to proceed but use extreme caution. Move clear of the runway/taxiway.

For which of the following reasons would a water break test be conducted?. To make certain that a newly alodized aluminum surface is sufficiently coated. To make certain that an anodizing coating has been sufficiently removed before an electrical bonding connection can be made. To make certain that a bare metal surface is thoroughly clean.

Which condition is the actual amount of water vapor in a mixture of air and water?. Relative humidity. Absolute humidity. Dewpoint.

How much work input is required to lower (not drop) a 120-pound weight from the top of a 3-foot table to the floor?. 40 foot-pounds. 360 foot-pounds. 120 pounds of force.

Fretting corrosion is most likely to occur. when two surfaces fit tightly together but can move relative to one another. when two surfaces fit loosely together and can move relative to one another. only when two dissimilar metals are in contact.

(Refer to Figure 56.) Compute the area of the trapezoid. 48 square feet. 10 square feet. 24 square feet.

For aircraft operated under part 91, what difference is there, if any, between the record entry requirements for maintenance (e.g., repair or alteration) and the record entry requirements for inspections (beyond the description of the work performed and the type and extent of inspection)?. There is no difference. Aircraft total time is required to be included only in the maintenance entry. Aircraft total time is required to be included only in the inspection entry.

Metal tubing fluid lines are sized by wall thickness and. outside diameter in 1/32 inch increments. inside diameter in 1/16 inch increments. outside diameter in 1/16 inch increments.

What may result if water is added to a nickel-cadmium battery when it is not fully charged?. Excessive electrolyte dilution. Excessive spewing is likely to occur during the charging cycle. No adverse effects since water may be added anytime.

Electrostatic fields are also known as. Dielectric fields. Electrostatic fields. Static fields.

What is ATA iSpec 2200?. Airline transport catalog for aircraft parts. Fuel specifications for transport-category airplanes. Standardized electronic documentation for aircraft models.

The drawings often used in illustrated parts manuals are. detail drawings. exploded view drawings. block drawings.

Which tool can be used to measure the alignment of a rotor shaft or the plane of rotation of a disk?. Dial indicator. Protractor. Shaft gauge.

As weighed, the total empty weight of an aircraft is 5,862 pounds with a moment of 885,957. However, when the aircraft was weighed, 20 pounds of potable water were on board at +84, and 23 pounds of hydraulic fluid were in a tank located at +101. What is the empty weight CG of the aircraft?. 151.365. 151.700. 150.700.

The speed of sound in the atmosphere. changes with a change in pressure. changes with a change in temperature. varies according to the frequency of the sound.