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Examen Ingles DGAC 1-50

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Last Update: January 2015 Examen para obtener licencia de mecánico de mantenimiento 300 preguntas.
jose Ramirez
Quiz by jose Ramirez , updated more than 1 year ago
jose Ramirez
Created by jose Ramirez over 6 years ago
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Resource summary

Question 1

Question
WHAT DOES THE AIR FLOW PRODUCE OVER ANY AERODYNAMIC SURFACE? (19030) REF.: AC 65-15A, PAGE 64.
Answer
  • PRODUCES AN INCREASE IN VELOCITY AND TEMPERATURE.
  • PRODUCES A REDUCTION IN VELOCITY AND TEMPERATURE.
  • PRODUCES CERTAIN REDUCTION IN VELOCITY WITH CORRESPONDING INCREASES IN TEMPERATURE.
  • PRODUCES CERTAIN INCREASES IN VELOCITY WITH CORRESPONDING REDUCTION IN TEMPERATURE.

Question 2

Question
HOW MANY GENERAL TYPES OF EXHAUST SYSTEMS IN USE ON RECIPROCATING AIRCRAFT ENGINES ARE THERE? (19299) REF.: AC 12A, PAGE 96.
Answer
  • FOUR.
  • TWO.
  • ONLY ONE.
  • THE TYPES OF EXHAUST SYSTEMS DEPEND OF ENGINE MANUFACTURER.

Question 3

Question
IN MOST CASES, WHAT LOADS ARE DESIRABLE FOR STRUCTURAL MEMBERS TO CARRY ON? (18839) REF.: AC 65-15A, PAGE 25.
Answer
  • END LOADS RATHER THAN SIDE LOADS.
  • SIDE LOADS RATHER THAN END LOADS.
  • AERODYNAMIC LOADS RATHER THAN STRUCTURAL LOADS.
  • STRESS LOADS RATHER THAN STRENGTH LOADS.

Question 4

Question
WHERE ARE MOST FLAPS HINGED? (19284) REF.: AC 65-15A, PAGE 21.
Answer
  • OVER SPECIAL PYLON
  • TO THE MIDDLE SECTION OF THE WINGS.
  • TO THE LOWER TRAILING EDGES OF THE WINGS.
  • TO THE UPPER TRAILING EDGES OF THE WINGS.

Question 5

Question
WHICH ARE THE MOST COMMON SYNTHETIC FIBERS USED IN AIRCRAFT? (18843) REF.: AC 65-15A, PAGE 85.
Answer
  • NYLON, ORLON AND DACRON.
  • NYLON, COTTON AND LINEN.
  • FABRIC, WARP AND PLY.
  • WOOF, WOVEN AND FILLING.

Question 6

Question
WHAT IS PROVIDED AT MANY PITOT-STATIC TUBES IN ORDER TO PREVENT ICING DURING FLIGHT? (19273) REF.: AC 65-15A, PAGE 475.
Answer
  • CHEMICAL HEATING ELEMENTS
  • AERODYNAMIC HEATING ELEMENTS
  • HOT AIR HEATING ELEMENTS.
  • ELECTRICAL HEATING ELEMENTS.

Question 7

Question
HOW MANY FACTORS DETERMINE THE AMOUNT OF LIFT AVAILABLE IN HELICOPTER OPERATION? (19025) REF.: AC 65-15A, PAGE 56.
Answer
  • FEW FACTORS.
  • ONE FACTOR.
  • MANY FACTORS.
  • SOME FACTORS.

Question 8

Question
WHAT WILL THE AVIATION MECHANIC NEED THE MATHEMATICS TOOLS FOR? (18646) REF.: FAA-H-8083-30, PAGE 1-1.
Answer
  • TO SEE, WASH, AND DISPATCH THE AIRPLANE
  • TO WORK, TEST AND CHECK THE AIRPLANES.
  • TO REPAIR, MAINTAIN AND CERTIFY AIRPLANES.
  • TO CONTROL, DISPATCH AND PARK THE AIRPLANES.

Question 9

Question
WHAT OLD MATERIAL IS STILL IN USE TODAY TO COVER DIFFERENT AIRCRAFT PARTS? (18844) REF.: AC 65-15A, PAGE 85.
Answer
  • WOOD.
  • FABRIC.
  • PLASTIC.
  • COMPOSITE.

Question 10

Question
WHAT LANDING GEAR ARRANGEMENT IS THE MOST USED IN MODERN AIRCRAFT? (19269) REF.: AC 65-15A, PAGE 341.
Answer
  • A TAIL WHEEL AND A NOSE SKID GEAR ARRANGEMENT.
  • A TAIL SKID ARRANGEMENT.
  • A TAIL WHEEL GEAR ARRANGEMENT.
  • A TRICYCLE GEAR ARRANGEMENT.

Question 11

Question
WHAT ARE THE TYPES OF MAGNETS? (19296) REF.: FAA-H-8083-30, PAGE 10-11.
Answer
  • BIG AND SMALL OR LEFT AND RIGHT.
  • NATURAL OR ELECTRICAL.
  • NATURAL OR ARTIFICIAL.
  • NATURAL AND ARTIFICIAL.

Question 12

Question
WHAT IS THE DEFINITION OF MAGNETISM? (19293) REF.: FAA-H-8083-30, PAGE 10-7.
Answer
  • IS DEFINED AS THE QUALITY OF AN OBJECT TO ATTRACT THE IRON METAL.
  • IS THE PROPERTY OF AN OBJECT TO ATTRACT ALL SUBSTANCES.
  • IS THE PROPERTY OF AN OBJECT TO ATTRACT ALL METALLIC SUBSTANCES.
  • IS THE PROPERTY OF AN OBJECT TO ATTRACT CERTAIN METALLIC SUBSTANCES.

Question 13

Question
USUALLY, WHERE DOES THE MAGNESIUM SKIN CORROSION OCCUR? (18787) REF.: FAA-H-8083-30, PAGE 6-15.
Answer
  • AROUND THE INSULATING WASHERS.
  • OVER WASHERS AND BOLTS.
  • NEVER AROUND EDGES OF SKIN PANELS.
  • AROUND EDGES OF SKIN PANELS.

Question 14

Question
WHY CAN BE CONSTRUCTED THE FUSELAGES IN FIXED-WING AIRCRAFT AND HELICOPTERS? (18822) REF.: AC 65-15A, PAGE 24.
Answer
  • FUSELAGES MAY BE CONSTRUCTED WELDED, BOLTED TRUSS OR SOME FORM OF SEMI-MONOCOQUE CONSTRUCTION.
  • FUSELAGES MAY BE WELDED TRUSS OR SOME FORM OF MONOCOQUE CONSTRUCTION.
  • FUSELAGES MAY BE RIVETED, WELDED, GLUED OR SOME FORM OF MONOCOQUE CONSTRUCTION.
  • FUSELAGES ARE CONSTRUCTED ONLY LIKE SEMIMONOCOQUE OR MONOCOQUE CONSTRUCTION.

Question 15

Question
WHAT IS LIFT FORCE IN A HELICOPTER? (18980) REF.: AC 65-15A, PAGE 50.
Answer
  • IS THE FORCE REQUIRED TO FLY THE HELICOPTER.
  • IS THE FORCE REQUIRED TO SUPPORT THE WEIGHT OF THE HELICOPTER.
  • IS THE FORCE REQUIRED TO SUPPORT THE TORQUE ROTORS.
  • IS THE FORCE REQUIRED TO LOAD AND UNLOAD THE HELICOPTER.

Question 16

Question
KEEPING THE INTERIOR OF THE AIRCRAFT CLEAN IS JUST AS IMPORTANT AS MAINTAINING? (18793) REF.: FAA-H-8083-30, PAGE 6-20.
Answer
  • A BRIGHT AND CLEAN COCKPIT.
  • A CLEAN EXTERIOR SURFACE.
  • ALL AIRPLANE IN GOOD CONDITION.
  • A CLEAN HOUSE.

Question 17

Question
IN THE CONVERGING PART OF THE VENTURI, WHAT HAPPEN WITH VELOCITY AND PRESSURE? (18705) REF.: FAA-H-8083-30, PAGE 3-40.
Answer
  • VELOCITY AND STATIC PRESSURE WOULD INCREASE.
  • THE VELOCITY AND STATIC PRESSURE WOULD DECREASE.
  • VELOCITY WOULD DECREASE AND STATIC PRESSURE WOULD INCREASE.
  • VELOCITY WOULD INCREASE AND STATIC PRESSURE WOULD DECREASE.

Question 18

Question
WHAT IS BASICALLY INSTRUMENTATION? (18805) REF.: AC 65-15A, PAGE 469.
Answer
  • THE SCIENCE OF MEASUREMENT.
  • THE SCIENCE OF INDICATION.
  • THE SCIENCE OF SHOWING DATA.
  • INSTRUMENTS AND ADVERTISING.

Question 19

Question
WHAT DO YOU HAVE TO USE TO INSPECT FOR CORROSION IN AN AIRPLANE AND BE SURE THAT NO AREA IS LEFT UNINSPECTED? (18777) REF.: FAA-H-8083-30, PAGE 6-8.
Answer
  • INSTRUMENT.
  • CHECKLISTS.
  • TWO OR THREE METHODS.
  • LEVEL TWO MECHANIC.

Question 20

Question
WHERE ARE POWER PLANTS USUALLY MOUNTED IN MULTIENGINE HELICOPTERS? (18834) REF.: AC 65-15A, PAGE 24.
Answer
  • THEY ARE MOUNTED IN SEPARATE ENGINE NACELLES.
  • THEY ARE MOUNTED IN THE SAME NACELLE
  • THEY ARE MOUNTED ONE BACK AND ONE FORWARD.
  • THEY ARE MOUNTED IN TANDEM.

Question 21

Question
IN GENERAL, WHAT WILL BE THE FLASHPOINT FOR SOLVENT CLEANERS USED IN AIRCRAFT CLEANING? (18797) REF.: FAA-H-8083-30, PAGE 6-23.
Answer
  • NO MORE THAN 105°F.
  • NO LESS THAN 105°F.
  • 105°F EXACTLY.
  • SOLVENT CLEANERS DO NOT HAVE FLASHPOINT.

Question 22

Question
THE PRIMARY GROUP OF FLIGHT CONTROL SURFACES CONSISTS OF (18830) REF.: AC 65-15A, PAGE 18.
Answer
  • AILERONS, ELEVATORS AND RUDDERS.
  • FLAPS, TRIM TABS AND STABILIZERS.
  • SPEED BRAKES, LONGERONS AND ELEVATORS.
  • WING TIPS, GROUND SPOILERS AND RIBS.

Question 23

Question
WHAT HAPPENS IN A TWO-BLADED SYSTEM HELICOPTER? (19032) REF.: AC 65-15A, PAGE 53.
Answer
  • THE BLADES FLAP AS A UNIT.
  • THE BLADES FLAP INDEPENDENTLY.
  • THE BLADES DO NOT FLAP.
  • THE BLADES FLAP ONLY OCCASIONALY.

Question 24

Question
WHAT HAPPENS IN A HOVERING FLIGHT, IF LIFT AND THRUST ARE LESS THAN WEIGHT AND DRAG? (18987) REF.: AC 65-15A, PAGE 50.
Answer
  • THE HELICOPTER ENGINE IDLES.
  • THE HELICOPTER STAYS IN A HOVERING FLIGHT.
  • THE HELICOPTER DESCENDS VERTICALLY.
  • THE HELICOPTER ASCENDS VERTICALLY.

Question 25

Question
WHAT ARE USED IN SOME SYSTEMS IN ADDITION TO TURNBUCKLES? (19031) REF.: AC 65-15A, PAGE 65.
Answer
  • WIRE CONNECTORS, PULLEYS AND SHROUD MUST BE USED.
  • CABLE CONNECTORS AND PULLEYS ARE ALWAYS USED.
  • CABLE CONNECTORS ARE NEVER USED.
  • CABLE CONNECTORS ARE USED.

Question 26

Question
WHAT MAY BE WRONG IF THE POINTER FAILS TO RESPOND ENTIRELY? (19272) REF.: AC 65-15A, PAGE 474.
Answer
  • THE GLASS COVER MAY BE BROKEN.
  • THE TRANSMISION MECHANISM IS DISCONNECTED.
  • THE MECHANISM IS, IN ALL PROBABILITY, DEFECTIVE.
  • THE ELECTRICAL POWER IS CUT OFF.

Question 27

Question
WHAT MUST BE DONE IN ADDITION TO ROUTINE MAINTENANCE INSPECTIONS IN AMPHIBIANS OR SEAPLANES? (18778) REF.: FAAH-8083-30, PAGE 6-8.
Answer
  • COULD BE CHECKED OCCASSIONALLY AND CRITICAL AREAS CLEANED OR TREATED EVERY DAY.
  • MAY BE CHECKED MONTHLY AND CRITICAL AREAS WIPED OR TREATED, AS NECESSARY.
  • SHOULD BE CHECKED DAILY AND CRITICAL AREAS CLEANED OR TREATED, AS NECESSARY.
  • SHOULD BE CHECKED WEEKLY AND CRITICAL AREAS PAINTED, CLEANED OR TREATED, AS NECESSARY.

Question 28

Question
WHAT IS THE SIMPLEST FORM OF AN ATOM? (18929) REF.: FAA-H-8083-30, PAGE 10-2.
Answer
  • THE NITROGEN ATOM.
  • THE COPPER ATOM.
  • THE HYDROGEN ATOM.
  • THE OXYGEN ATOM.

Question 29

Question
WHAT QUALITY HAVE THE HUMAN WASTE PRODUCTS AND THE CHEMICALS USED IN LAVATORIES? (18781) REF.: FAA-H-8083-30,PAGE 6-9.
Answer
  • ARE VERY EXPENSIVE AND DIFFICULT TO GET.
  • ARE VERY CORROSIVE TO COMMON AIRCRAFT METALS.
  • SMELL VERY BAD AND ARE CHEAP TO BUY.
  • ARE VERY DANGEROUS TO COMPOSITES.

Question 30

Question
HOW OFTEN IS THE INSPECCION FOR CORROSION IN ANY AIRCRAFT RECOMENDED? (18779) REF.: FAA-H-8083-30, PAGE 6-8.
Answer
  • ANNUALLY.
  • IN ANY INSPECTION.
  • WEEKLY.
  • DAILY BASIS.

Question 31

Question
HOW LONG HAVE HIGH TENSION IGNITION SYSTEMS BEEN IN USE? (19298) REF.: AC 65-12A, PAGE 186.
Answer
  • FOR MORE THAN HALF A CENTURY.
  • FOR MORE THAN A CENTURY.
  • FOR MORE THAN SIXTY YEARS.
  • FOR MANY TIMES.

Question 32

Question
HOW IS THE WEIGHT OF A SOLID BODY SUBMERGED IN A LIQUID OR A GAS TO BE IT IN FREE SPACE? (18701) REF.: FAA-H-8083-30, PAGE 3-28.
Answer
  • IN THE LIQUID IT WEIGHS LESS THAN IN THE FREE SPACE.
  • IN THE LIQUID IT WEIGHS MORE THAN IN THE FREE SPACE.
  • IN THE LIQUID IT WEIGHS EQUAL THAN IN THE FREE SPACE.
  • IN THE LIQUID IT WEIGHS 10% LESS THAN IN THE FREE SPACE.

Question 33

Question
WHAT MUST A HELICOPTER STRUCTURAL MEMBERS RESIST? (18837) REF.: AC 65-15A, PAGE 25.
Answer
  • SHOCK.
  • LOADS.
  • FORCE.
  • STRESS.

Question 34

Question
WHAT IS HEAT? (18696) REF.: FAA-H-8083-30, PAGE 3-19.
Answer
  • IS A FORM OF ENERGY.
  • IS A FORM OF TEMPERATURE.
  • IS A FORM OF RADIATION.
  • IS A FORM OF WORK.

Question 35

Question
WHAT HAPPENS IF HEAT IS APPLIED TO A METAL? (18729) REF.: FAA-H-8083-30, PAGE 5-2
Answer
  • WILL CAUSE IT TO CONTRACT OR BECOME LARGER.
  • WILL CAUSE IT TO EXPAND OR BECOME LARGER.
  • WILL CAUSE IT TO EXPAND OR BECOME SHORTER.
  • WILL CAUSE IT TO INCREASE THE WEIGHT OR BECOME HEAVIER.

Question 36

Question
WHAT SEWING METHOD IS NECESSARY TO CLOSE THE FINAL OPENING IN THE COVERING? (18846) REF.: AC 65-15A, PAGE 90.
Answer
  • MACHINE SEWING.
  • DOUBLE STITCH SEWING.
  • AUTOMATIC SEWING.
  • HAND SEWING.

Question 37

Question
WHAT IS THE RIVETS GRIP LENGTH? (18761) REF.: FAA-H-8083-30, PAGE 5-64.
Answer
  • THE TOTAL SHEET THICKNESS PLUS THE RIVET LENGTH.
  • THE NOMINAL RIVET LENGTH.
  • THE SHANK DIAMETER.
  • THE MAXIMUN TOTAL SHEET THICKNESS TO BE RIVETED.

Question 38

Question
WHAT ARE THE METHODS TO COVER FUSELAGES? (18851) REF.: AC 65-15A, PAGE 95.
Answer
  • THE SLEEVE OR BLANKET METHOD.
  • THE FABRICS SLEEVE OR PLASTIC BLANKET METHOD.
  • THE PARTIAL O TOTAL COVERING METHOD.
  • THER ARE NO METHODS TO COVER FUSELAGES.

Question 39

Question
IN WHAT IS NOT BASED THE MINIMUM FUEL FOR TURBINE ENGINE POWERED AIRCRAFT? (18718) REF.: FAA-H-8083-30, PAGE 4-5.
Answer
  • ON ENGINE SPEED.
  • ON ENGINE HORSEPOWER.
  • ON ALTITUDE OF FLIGHT.
  • ON FLIGHT DISTANCE.

Question 40

Question
WHAT MUST BE MAINTAINED FOR EFFICIENT OPERATION OF SHOCK STRUTS? (19271) REF.: AC 65-15A, PAGE 345.
Answer
  • THE PROPER CLEANNESS AND CORRECT O-RING.
  • THE PROPER FLUID LEVEL AND AIR PRESSURE.
  • THE PROPER TIRE PRESSURE AND FLUID LEVEL.
  • THE PROPER WHEEL, BRAKES AND FLUID.

Question 41

Question
WHAT FORCES ACT ON AN AIRCRAFT, WHETHER IT IS ON THE GROUND OR IN FLIGHT? (19042) REF.: AC 65-15A, PAGE 131.
Answer
  • THE FORCES ARE CUTING, PUSHING OR BENDING.
  • THE FORCES ARE PULLING, PUSHING OR TWISTING.
  • THE FORCES ARE WEIGHT, THRUST OR DRAG.
  • THE FORCES ARE LIFTING, PUSHING OR DOWNWARD.

Question 42

Question
HOW MUST THE MIXTURE BE IN ORDER FOR AN ENGINE TO DEVELOP MAXIMUN POWER AT FULL THROTTLE? (19115) REF.: AC 65-12A, PAGE 121.
Answer
  • THE FUEL MIXTURE MAY BE RICHER THAN FOR CRUISE.
  • THE FUEL MIXTURE IS THE SAME ALL THROUGH THE FLIGHT.
  • THE FUEL MIXTURE MUST BE RICHER THAN FOR CRUISE.
  • THE FUEL MIXTURE MUST BE LEANER THAN FOR CRUISE

Question 43

Question
WHAT ARE THE FACTORS TO CONSIDER IN THE SELECTION OF THE CORRECT RIVET FOR INSTALLATION? (18757) REF.: FAA-H-8083-30, PAGE 5-61.
Answer
  • INSTALLATION LOCATION, PROTECTION OF THE MATERIAL BEING RIVETED, DIAMETERS OF THE MATERIAL BEING RIVETED AND STRESS DESIRED.
  • INSTALLATION PLACE, COMPOSITION OF THE TOOLS BEING USED, THINNESS OF THE MATERIAL BEING RIVETED AND STRENGTH DESIRE.
  • WORK LOCATION, ILUMINATION OF THE PLACE, COMPOSITION OF THE MATERIAL BEING RIVETED, THICKNESS OF THE MATERIAL BEING RIVETED AND QUALITY OF THE TOOLS.
  • INSTALLATION LOCATION, COMPOSITION OF THE MATERIAL BEING RIVETED, THICKNESS OF THE MATERIAL BEING RIVETED AND STRENGTH DESIRED.

Question 44

Question
WHAT IS THE ADVANTAGE OF EXTERNAL AIRCRAFT SURFACES WITH REGARD TO INSPECTION AND MAINTENANCE? (18782) REF.:FAA-H-8083-30, PAGE 6-9.
Answer
  • IT HAS NO SPECIAL ADVANTAGES.
  • VERY EASY TO READ.
  • READILY VISIBLE AND ACCESSIBLE.
  • DEPENDS ON THE AIRCRAFT TYPE.

Question 45

Question
WHAT IS NEEDED IN ORDER TO PRODUCE EXTENSIVE PITTING DAMAGE IN DISSIMILAR METAL PARTS? (18773) REF.: FAA-H-8083-30, PAGE 6-4.
Answer
  • THE PRESENCE OF SALT.
  • THE PRESENCE OF A CONDUCTOR.
  • THE ABSENCE OF ZINC CHROMATE PRIMER.
  • BIG CHANGE IN TEMPERATURES.

Question 46

Question
WHAT MAY HAPPEN IF THE PROPELLER BLADES HAVE CRACKS? (18799) REF.: FAA-H-8083-30, PAGE 6-23.
Answer
  • MAY NEED TO BE REWORKED.
  • MAY NEED TO BE REJECTED.
  • MAY TEND TO OXIDIZE.
  • MAY BE CUT.

Question 47

Question
WHAT MUST EVERY PRINT HAVE? (18649) REF.: FAA-H-8083-30, PAGE 2-4.
Answer
  • THE BEST INK.
  • SOME MEANS OF IDENTIFICATION.
  • SOME MEANS OF ISSUE.
  • A POOR PAPER.

Question 48

Question
WHAT MUST ELEMENTS HAVE IN ORDER TO BE GOOD CONDUCTORS? (18931) REF.: FAA-H-8083-30, PAGE 10-3.
Answer
  • MANY FREE ELECTRONS.
  • VERY LOW WEIGHT.
  • BE VERY SOFT.
  • BE VERY EXPENSIVE.

Question 49

Question
WHAT IS REQUIRED FOR THE ELECTRONS TO STAY IN AN ORBIT? (18930) REF.: FAA-H-8083-30, PAGE 10-2.
Answer
  • A HIGH TEMPERATURE.
  • A CERTAIN AMOUNT OF ELECTRICITY.
  • A CERTAIN AMOUNT OF HEAT.
  • A CERTAIN AMOUNT OF ENERGY.

Question 50

Question
WHAT ARE THE FORCES THAT ACT IN THE HELICOPTER DURING FLIGHT? (18979) REF.: AC 65-15A, PAGE 49.
Answer
  • LIFT, THRUST, WEIGHT AND DRAG.
  • CUT, TORSION, FORWARD AND AFT.
  • BENDING, COMPRESSION, SHEAR AND TORSION.
  • BACK, FORWARD, UP AND DOWN.
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