TEST FAR 3

101. (CHAPTER 5 – PHISICS FOR AVIATION) Torque is a very interesting concept and occurrence, whereas work is described as force acting through a distance, torque is described as force acting along a distance. Torque is something that creates twisting and tries to make…. a) Something rotates. b) Something twisting. c) Something tension. d) Something forces.

102. (CHAPTER 5 – PHYSICS FOR AVIATION) How do you find the moment of an item installed in an aircraft?. a) Adding the weight of the item by its distance from the datum. b) Multiply the weight of the item by its distance from the datum. c) Subtracting the weight of the item by its distance from the datum. d) Multiply the weight of the aircraft by its arm.

103. (CHAPTER 5 – PHISICS FOR AVIATION) A single fixed pulley is really a first class lever with equal arms. When a first class lever has equal arms, the mechanical advantage is 1. Thus, the force of the pull on the rope must be equal to the weight of the object being lifted. The only advantage of a single fixed pulley is…. a) To keep the direction of the force. b) To change the direction of the force. c) To use less weight to the direction of the force. d) To keep equal the direction of the force.

104. (CHAPTER 5 – PHISICS FOR AVIATION) Compression is a force that___ an object. An excellent example of compression is when a sheet metal airplane is assembled using the fastener known as a rivet. a) Cut a objet. b) Nick an object. c) Tries to crush. d) Gouge a objet.

105. (CHAPTER 5 – PHYSICS FOR AVIATION) This is a reading that refers to when an instrument, such as an oil pressure gauge, fuel pressure gauge, or hydraulic system pressure gauge, displays pressure which is over and above ambient. Which one?. a) Differential pressure. b) Gauge pressure. c) Absolute pressure. d) Relative pressure.

106. (CHAPTER 5 – PHYSICS FOR AVIATION) Standard day atmospheric pressure is equal to 14.7 psi, 29.92 inches of mercury ("Hg), 760 millimeters of mercury (mm hg), or 1013.2 millibars. Mark the correct answer of the relationship between these units of measure: a) 1 psi = 2.24 “ Hg. b) 1 psi = 51.17 mm Hg. c) 1 psi = 69.8 millibars. d) 1 mm Hg = 1.333 millibars.

107. (CHAPTER 5 – PHYSICS FOR AVIATION) What is the basic unit of heat in the English system?. a) British thermal unit. b) Calorie. c) Degrees Fahrenheit. d) Bureau International des Poids et Mesures (BIPM).

108. (CHAPTER 5 – PHYSICS FOR AVIATION) How much force is produced by 1 000 psi of hydraulic pressure acting on a piston with an area of 20 square inches, when the piston moves five inches?. a) 2 000 pounds. b) 20 000 pounds. c) 200 pounds. d) 100 000 pounds.

109. (CHAPTER 5 – PHYSICS FOR AVIATION) External force acting on an object causes the stress to manifest itself in one of five forms, or combination of those five. Which are these five forms?. a) Expansion, shrink, torsion, strain, and cut. b) Reaction, pressure, cut, strain, and shrink. c) Tension, compression, torsion, bending, and shear. d) Traction, compression, strain, bending, and cut.

110. (CHAPTER 7 – AIRCRAFT MATERIALS, HARDWARE, AND PROCESSES) It is a mechanical working of the steel, at temperatures above the critical range to shape the metal as desired. It is done either by pressing or hammering the heated steel until the desired shape is obtained. Which one?. a) Pressing. b) Hardening. c) Forging. d) Soaking.

111. (CHAPTER 7 – AIRCRAFT MATERIALS, HARDWARE, AND PROCESSES) The temperature of the furnace must be held constant during this period, since it is during this period that rearrangement of the internal structure of the steel takes place. Which one?. a) Cooling. b) Soaking. c) Heating. d) Forging.

112. (CHAPTER 7 – AIRCRAFT MATERIALS, HARDWARE, AND PROCESSES) It refers to contraction and expansion that are reactions produced in metals as the result of heating or cooling. Which one?. a) Fusibility. b) Thermal expansion. c) Thermal contraction. d) Brittleness.

113. (CHAPTER 7 – AIRCRAFT MATERIALS, HARDWARE, AND PROCESSES) Is a property that enables a metal to return to its original size and shape when the force that causes the change of shape is removed. This property is extremely valuable, because it would be highly undesirable to have a part permanently distorted after an applied load was removed. a) Elasticity. b) Strength. c) Toughness. d) Malleability.

114. (CHAPTER 7 – AIRCRAFT MATERIALS, HARDWARE, AND PROCESSES) It is a hydrocarbon rubber with superior resistance to gas permeation. It is also resistant to deterioration; however, its comparative physical properties are significantly less than those of natural rubber. It resists oxygen, vegetable oils, animal fats, alkalies, ozone, and weathering. Which one?. a) Neoprene. b) Teflon. c) Silicone. d) Butyl.

115. (CHAPTER 7 – AIRCRAFT MATERIALS, HARDWARE, AND PROCESSES) In cases of oversized or elongated holes in critical members, obtain advice from the aircraft or engine manufacturer before drilling or reaming the hole to take the next larger bolt. Oversized or elongated holes in noncritical members can usually be drilled or reamed to the next larger size. What factors usually must be considered?. a) Distance between bolts and material tolerance. b) Instructions for continued airworthiness. c) Markings on the bolt head and washer to be used. d) Edge distance, clearance, or load factor.

116. (CHAPTER 7 – AIRCRAFT MATERIALS, HARDWARE, AND PROCESSES) This procedure for aluminum alloys consists of heating the alloys to an elevated temperature, holding or soaking them at this temperature for a length of time depending upon the mass of the metal, and then cooling in still air. This leaves the metal in the best condition for cold working. a) Forging. b) Soaking. c) Annealing. d) Precipitation.

117. (CHAPTER 7 – AIRCRAFT MATERIALS, HARDWARE, AND PROCESSES) What type of seal is made of synthetic or natural rubber? They are generally used as “running seals,” that is, in units that contain moving parts, such as actuating cylinders, pumps, selector valves, and so forth. a) Gasket. b) Packing. c) Wiper. d) Silicone rubber.

118. (CHAPTER 7 – AIRCRAFT MATERIALS, HARDWARE, AND PROCESSES) This process involves the forcing of metal through an opening in a die, thus causing the metal to take the shape of the die opening. The shape of the die will be the cross section of an angle, channel, tube, or some other shape. What process it is?. a) Casting. b) Extruding. c) Forging. d) Annealing.

119. (CHAPTER 9 – FLUID LINES AND FITTINGS) What material is used on lines in engine compartments for marking it?. a) 1” tape. b) Paint. c) Decal. d) Steel tags.

120. (CHAPTER 9 – FLUID LINES AND FITTINGS) When replacing rigid tubing, ensure that the layout of the new line is the same as that of the line being replaced. Remove the damaged or worn assembly, taking care not to further damage or distort it, and use it as…. a) A forming template for the new part. b) Cause of the failure determined. c) Test samples of the material. d) Identification of tubing materials.

121. (CHAPTER 9 – FLUID LINES AND FITTINGS) This device consists of a sleeve and a nut. The nut fits over the sleeve and, when tightened, draws the sleeve and tubing flare tightly against a male fitting to form a seal. Which one?. a) Swaged Fitting. b) MS Flareless Fitting. c) Universal Bulkhead Fitting. d) AN Flared Fitting.

122. (CHAPTER 9 – FLUID LINES AND FITTINGS) What fittings are designed primarily for high-pressure (3,000 psi) hydraulic systems that may be subjected to severe vibration or fluctuating pressure?. a) AN Flared. b) MS flareless. c) Swaged. d) Universal Bulkhead.

123. (CHAPTER 9 – FLUID LINES AND FITTINGS) Bends that are too sharp reduce the bursting pressure of flexible hose considerably below its rated value. Which must you use to avoid sharp bends in the hose assembly?. a) Identification stripe. b) Elbow fittings. c) Hose clamps. d) Sufficient slack.

124. (CHAPTER 9 – FLUID LINES AND FITTINGS) Never apply compound to the faces of the fitting or the flare, as it destroys the metal-to-metal contact between the fitting and flare, Why is necessary this contact?. a) To not be weakened. b) To tighten sufficiently. c) To no over tightening. d) To produce the seal.

125. (CHAPTER 9 – FLUID LINES AND FITTINGS) This term describes the deep, permanent impressions in the hose produced by the pressure of hose clamps or supports. Which one?. a) Cold flow. b) Hardening. c) Marking. d) Deeping.

126. (CHAPTER 9 – FLUID LINES AND FITTINGS) Hose assemblies must not be installed in a manner that causes a mechanical load on the hose. When installing flexible hose; what provide slack or bend in the hose line from 5 to 8 percent of its total length to?. a) To avoid is affected from excessive temperatures. b) To provide for changes in diameter that occurs when pressure is applied. c) To produce the seal. d) To provide for changes in length that occurs when pressure is applied.

127. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) The Allen wrench, although seldom used, is required on one special type of recessed screw. One of the most widely used metals for making wrenches is _________. a) Aluminum. b) Titanium. c) Chrome-vanadium steel. d) Cooper steel.

128. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) The Airworthiness Directives (AD) are published to... a) Present recommended maintenance procedures for correcting potentially hazardous defects. b) Provide information about malfunction or defect trends. c) Control surface adjustment points. d) Notify aircraft owners and other interested persons of unsafe conditions and to prescribe the conditions that the product may continue to be operated.

129. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) These documents are published to notify aircraft owners and other interested persons of unsafe conditions and to prescribe the conditions that the product may continue to be operated. Furthermore, these are federal aviation regulations and must be complied with unless specific exemption is granted. Which one?. a) Service Bulletins. b) Airworthiness Directives. c) Advisory Circulars. d) Type Certificate Data Sheets.

130. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) (1) Parts of operating mechanisms must be demagnetized to prevent magnetized parts from attracting filings, grindings, or chips inadvertently left in the system or steel particles resulting from operational wear. (2) Demagnetization between successive magnetizing operations is not normally required unless experience indicates that omission of this operation results in decreased effectiveness for a particular application. Regarding the above statement,. a) Both No. 1 and No. 2 are true. b) Only No. 1 is true. c) Only No. 2 is true. d) Neither No. 1 nor No. 2 is true.

131. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES). When performing any of the special inspections, always follow the detailed procedures in the aircraft maintenance manual. In situations where the manual does not adequately address the situation. What action must you take?. a) You can use FAA Advisory Circular (AC) 43.13-1B. b) Seek advice from other maintenance technicians who are highly experienced with them. c) You must consult the aircraft manufacturer. d) Quality control personnel will take the decision.

132. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) Which method is a nondestructive test for defects open to the surface in parts made of any nonporous material? It is used with equal success on such metals as aluminum, magnesium, brass, copper, cast iron, stainless steel, and titanium. It may also be used on ceramics, plastics, molded rubber, and glass. a) Visual Inspection. b) Liquid Penetrant Inspection. c) Magnetic Particle. d) Ultrasonic.

133. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) What is the maintenance recording responsibility of the person who complies with Airworthiness Directives?. a) Make appropriate entries in the aircraft logbook. b) Advice the aircraft owner/operator of the work performed. c) Advice the FAA district office of the work performed, by submitting an FAA Form 337. d) Present to owner/operator recommended maintenance procedures for correcting potentially hazardous defects.

134. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) What nondestructive testing method can frequently be performed without removing the surface coatings, such as primer, paint, and anodized films. It can be effective in detecting surface and subsurface corrosion, pots, and heat treat condition?. a) Magnetic particle inspection. b) Eddy current inspection. c) Ultrasonic inspection. d) Dye penetrant inspection.

135. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) This manual contains brief descriptive information and detailed step by step instructions covering work normally performed on a unit that has been removed from the aircraft. Which one?. a) Maintenance Manual. b) Structural repair manual. c) Overhaul manual. d) Type certificate data sheet.

136. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) Coatings of cadmium, copper, tin and zinc do not interfere with the satisfactory performance of magnetic particle inspection, unless the... a) Inclusions are formed by impurities. b) Coatings are unusually heavy. c) Discontinuities to be detected are unusually bigger. d) Use other suitable nonabrasive material.

137. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) What inspection method would be most appropriate for detect surface cracks, pits, subsurface cracks, corrosion on inner surfaces, and to determine alloy and heat-treat condition?. a) Ultrasonic inspection. b) Eddy current inspection. c) X-ray inspection. d) None.

138. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) (1) A primary safety function of the FAA is to require correction of unsafe conditions found in an aircraft, aircraft engine, propeller, or appliance when such conditions exist and are likely to exist or develop in other products of the same design. (2) Title 14 of the CFR part 39, Airworthiness Directives, defines the authority and responsibility of the owner for requiring the necessary corrective action. Regarding the above statement,. a) Both No. 1 and No. 2 are true. b) Only No. 1 is true. c) Only No. 2 is true. d) Neither No. 1 nor No. 2 is true.

139. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) The structural repair manual contains the manufacturer’s information and specific instructions for repairing primary and secondary structures. Typical skin, Frame, rib, and ____________ are covered in this Manual. Also, included are material and fastener substitutions and special repair techniques. a) Splices. b) Fasteners. c) Stringer repairs. d) Patches.

140. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) The pilot in command (PIC) of a civil aircraft is responsible for determining whether that aircraft is in a condition for safe flight.Therefore, the aircraft must be inspected before________. More detailed inspections must be conducted by aviation maintenance technicians (AMTs at least once each 12 calendar months,. a) Each Complaint. b) Each flight. c) Each Daily. d) All Nights.

141. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) The CFRs were established _____________ to provide for the safe and orderly conduct of flight operations and to prescribe airmen privileges and limitations. Knowledge of the CFRs is necessary during the performance of maintenance, since all work done on aircraft must comply with CFR provisions. a) By order. b) By law. c) By law formerly. d) By Transport Secretary.

142. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) Continuous inspection programs are similar to progressive inspection programs, except that they apply to large or turbine-powered aircraft and are therefore more __________. a) Time used. b) Complicated. c) Simplified. d) Routine used.

143. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) Before each use, the torque wrench should be visually inspected for damage. If a bent pointer, cracked or broken glass (dial type), or signs of rough handling are found, the wrench must be tested. Torque wrenches must be tested at periodic ___________ to ensure accuracy. a) Normal. b) Intervals. c) Large. d) Short.

144. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) Which condition indicates insufficient heat during the welding operation?. a) Gas pocket, porosity, and slag inclusions. b) Discoloration of the base metal. c) Improper penetration and cold laps. d) Cracking adjacent to the Weld.

145. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) “Aircraft logs,” as used in this handbook, is an inclusive term which applies to the aircraft logbook and all _________ records concerned with the aircraft. a) Non-additional. b) Supplemental. c) Former. d) Old.

146. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) When using a hammer or mallet, choose the one best suited for the job. Ensure that the handle is tight. When striking a blow with the hammer, use the forearm as a(n) _____ of the handle. Swing the hammer by bending the elbow, not the wrist. Always strike the work squarely with the full face of the hammer. a) Commodity. b) Support. c) Extension. d) Hardening.

147. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) “Before starting an inspection, be certain all plates, access doors, fairings, and cowling have been opened or removed and the structure cleaned. When opening inspection plates and cowling ¿What you have to do before cleaning the Area?. a) Take note of any oil or other evidence of fluid leakage. b) Keep area clean. c) Put on to EPS. d) Nothing.

148. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) What Always must be used when performing an inspection?. a) The sheet plastic. b) The maintenance manual. c) The checklist. d) The handbook.

149. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) The aircraft logbook is the record where all data concerning the aircraft is recorded. Information gathered in this log is used to determine the aircraft condition, date of inspections, time on airframe, engines, and propellers. It reflects a history of all significant events occurring to the aircraft, its components, and accessories. ¿What happen when the inspection is completed and appropriate entries have been made in the aircraft logbook?. a) The aircraft is in a free condition. b) The aircraft is in an airworthy condition. c) The aircraft is in a safe condition. d) The aircraft is in a legal condition.

150. (CHAPTER 10 – INSPECTION CONCEPTS AND TECHNIQUES) Aeronautical publications are the sources of information for guiding aviation mechanics in the operation and maintenance of aircraft and related equipment. The proper use of these publications will greatly aid in the efficient operation and maintenance of all aircraft. ¿What include these Aeronautical publications?. a) Manufacturers’ service bulletins. b) Manuals and catalogs. c) Airworthiness directives and advisory circulars. d) all is correct.