40- WHAT MUST BE MAINTAINED FOR EFFICIENT OPERATION OF SHOCK STRUTS? (19271) REF.: AC 65-15A, PAGE 345. A.- THE PROPER CLEANNESS AND CORRECT O-RING. B.- THE PROPER FLUID LEVEL AND AIR PRESSURE. C.- THE PROPER TIRE PRESSURE AND FLUID LEVEL. D.- THE PROPER WHEEL, BRAKES AND FLUID.
41.- WHAT FORCES ACT ON AN AIRCRAFT, WHETHER IT IS ON THE GROUND OR IN FLIGHT? A.- THE FORCES ARE CUTING, PUSHING OR BENDING. B.- THE FORCES ARE PULLING, PUSHING OR TWISTING. C.- THE FORCES ARE WEIGHT, THRUST OR DRAG D.- THE FORCES ARE LIFTING, PUSHING OR DOWNWARD.
42.- HOW MUST THE MIXTURE BE IN ORDER FOR AN ENGINE TO DEVELOP MAXIMUN POWER AT FULL THROTTLE? A.- THE FUEL MIXTURE MAY BE RICHER THAN FOR CRUISE. B.- THE FUEL MIXTURE IS THE SAME ALL THROUGH THE FLIGHT. C.- THE FUEL MIXTURE MUST BE RICHER THAN FOR CRUISE. D.- THE FUEL MIXTURE MUST BE LEANER THAN FOR CRUISE.
43.- WHAT ARE THE FACTORS TO CONSIDER IN THE SELECTION OF THE CORRECT RIVET FOR INSTALLATION? A.- INSTALLATION LOCATION, PROTECTION OF THE MATERIAL BEING RIVETED, DIAMETERS OF THE MATERIAL BEING RIVETED AND STRESS DESIRED. B.- INSTALLATION PLACE, COMPOSITION OF THE TOOLS BEING USED, THINNESS OF THE MATERIAL BEING RIVETED AND STRENGTH DESIRE. C.- WORK LOCATION, ILUMINATION OF THE PLACE, COMPOSITION OF THE MATERIAL BEING RIVETED, THICKNESS OF THE MATERIAL BEING RIVETED AND QUALITY OF THE TOOLS. D.- INSTALLATION LOCATION, COMPOSITION OF THE MATERIAL BEING RIVETED, THICKNESS OF THE MATERIAL BEING RIVETED AND STRENGTH DESIRED.
44.- WHAT IS THE ADVANTAGE OF EXTERNAL AIRCRAFT SURFACES WITH REGARD TO INSPECTION AND MAINTENANCE? A.- IT HAS NO SPECIAL ADVANTAGES. B.- VERY EASY TO READ. C.- READILY VISIBLE AND ACCESSIBLE. D.- DEPENDS ON THE AIRCRAFT TYPE.
45.- WHAT IS NEEDED IN ORDER TO PRODUCE EXTENSIVE PITTING DAMAGE IN DISSIMILAR METAL PARTS? A.- THE PRESENCE OF SALT. B.- THE PRESENCE OF A CONDUCTOR. C.- THE ABSENCE OF ZINC CHROMATE PRIMER. D.- BIG CHANGE IN TEMPERATURES.
46.- WHAT MAY HAPPEN IF THE PROPELLER BLADES HAVE CRACKS? A- MAY NEED TO BE REWORKED. B.- MAY NEED TO BE REJECTED. C.- MAY TEND TO OXIDIZE. D.- MAY BE CUT.
47.- WHAT MUST EVERY PRINT HAVE? A.- THE BEST INK. B.- SOME MEANS OF IDENTIFICATION. C.- SOME MEANS OF ISSUE. D.- A POOR PAPER.
48.- WHAT MUST ELEMENTS HAVE IN ORDER TO BE GOOD CONDUCTORS? A.- MANY FREE ELECTRONS. B.- VERY LOW WEIGHT. C.- BE VERY SOFT. D.- BE VERY EXPENSIVE.
49.- WHAT IS REQUIRED FOR THE ELECTRONS TO STAY IN AN ORBIT? A.- HIGH TEMPERATURE. B.- A CERTAIN AMOUNT OF ELECTRICITY. C.- A CERTAIN AMOUNT OF HEAT. D.- A CERTAIN AMOUNT OF ENERGY.
50.- WHAT ARE THE FORCES THAT ACT IN THE HELICOPTER DURING FLIGHT? A.- LIFT, THRUST, WEIGHT AND DRAG. B.- CUT, TORSION, FORWARD AND AFT. C.- BENDING, COMPRESSION, SHEAR AND TORSION. D.- BACK, FORWARD, UP AND DOWN.
51.- WHAT IS THE LINK BETWEEN THE ENGINEERS WHO DESIGN AN AIRCRAFT AND THE WORKERS
WHO BUILD, MAINTAIN, AND REPAIR IT? A.- THE HANGARS, TOOLS, TECHNICAL ORDERS AND LADDERS. B.- THE HANGARS AND LADDERS. C.- THE TOOLS AND TECHNICAL ORDERS. D.- THE DRAWINGS AND PRINTS.
52.- WHAT MAY DAMAGE THE DRACON? A.- THE EXCESSIVE WATER. B.- THE EXCESSIVE HEAT. C.- THE EXCESSIVE SUN. D.- THE EXCESSIVE WIND.
53.- WHAT CREATES THE DISSYMMETRY OF LIFT IN AN HELICOPTER? A.- THE DIFFERENTIAL TORQUE BETWEEN TWO ROTORS. B.- THE WIND DURING HOVERING OR VERTICAL FLIGHT. C.- THE HORIZONTAL FLIGHT OR THE DIFFERENTIAL TILT. D.- THE HORIZONTAL FLIGHT OR WIND DURING HOVERING.
54.- WHAT IS AN IMPORTANT CONSIDERATION WHEN CHOOSING MATERIAL TO USE IN AIRPLANE
PARTS? A.- THE DENSITY OF MATERIALS. B.- THE VOLUME OF MATERIALS. C.- THE HARDNESS. D.- THE STRENGTH.
55.- WHAT SIDE HAVE TO BE DEBURRED DURING A TUBING FLARING JOB? A.- BOTH ENDS BY THE INSIDE AND THE OUTSIDE TUBING. B.- THE OUTSIDE. C.- THE INSIDE. D.- THE INSIDE AND THE OUTSIDE.
56.- IN HOW MANY GROUP ARE DAMAGES CLASSIFIED? A.- FROM SMALL DENTS TO HOLES. B.- FROM NEGLIGIBLE TO BIG DAMAGES. C.- INTO FOUR SPECIFIC GROUPS. D.- INTO FOUR GENERAL GROUPS.
57.- WHENEVER POSSIBLE, HOW SHOULD DAMAGED TUBING AND FLUID LINES BE REPAIRED? A.- SHOULD BE REPAIRED WITH GOOD PARTS. B.- SHOULD BE REPAIRED WITH BRIGHT PARTS. C.- SHOULD BE REPAIRED WITH NEW PARTS. D.- SHOULD BE REPAIRED WITH OVERHAULED PARTS.
58.- WHAT DOES A COMPRESSION FORCE TRY TO DO? A.- IT TRIES TO CRUSH AN OBJECT. B.- IT TRIES TO TWIST AN OBJECT. C.- IT TRIES TO SLICE OR TO CUT AN OBJECT. D.- IT TRIES TO STRESS AN OBJECT.
59.- IN WHAT BODY PARTS OF THE BODY CAN COMPOSITE PRODUCTS BE VERY HARMFUL? A.- IN THE SKIN, EYES AND LUNGS B.- IN THE HAND, FEET AND HAIR. C.- IN THE CHEST, ARMS AND FACE. D.- IN THE ELBOW, FINGERS AND NOSE.
60.- WHAT EFFECT CAN GREASE AND DIRT ACCUMULATION PRODUCE ON THE AIR-COOLED
ENGINE? A.- PRODUCE A COOLING EFFECT. B.- PRODUCE A REFRIGERATING EFFECT. C.- PRODUCE AN INSULATION EFFECT. D.- PRODUCE A WEIGHT INCREASE.
61.- WHY IS ZINC CHROMATE PRIMER APPLIED TO METALLIC SURFACES? A.- BECAUSE THE COVERING IS CORROSION RESISTANT. B.- BECAUSE THE COVERING HAS A NICE COLOR. C.- BECAUSE IT PROTECTS IT FROM THE SUN. D.- BECAUSE THE COVERING IS ENAMEL OR LACQUER.
62.- WHICH ARE CORROSION RESISTANT METALS? A.- NICKEL STEELS OR ALUMINUM METALS. B.- CHROME-VANADIUM OR CHROMIUM-IRON METALS. C.- ALUMINUM OR COPPER METALS. D.- CHROME-NICKEL OR STAINLESS STEELS METALS.
63.- WHAT PRECAUTIONS MUST BE TAKEN WHEN CLEANING ASSEMBLED AIRCRAFT WITH
CHEMICAL CLEANERS? A.- THEY MUST BE USED WITH GREAT CARE. B.- THEY MUST BE USED IN OPEN PLACES. C.- THEY MUST NOT BE USED WITH SUN LIGHT. D.- THEY MUST BE USED WITH MASK AND SPECIAL WORK CLOTH.
64.- WHAT IS THE COMMON NAME FOR THE CORROSION BETWEEN DIFFERENT METALS? A.- ELECTROLYTIC OR DISSIMILAR METALS CORROSION. B.- INTERGRANULAR OR DISSIMILAR METALS CORROSION. C.- CHEMICAL OR DISSIMILAR METALS CORROSION. D.- SPOT WELDING OR SIMILAR METALS CORROSION.
65.- WHAT DO YOU HAVE TO CHECK BEFORE USING THE GRINDER? A.- THE BENCH GRINDER. B.- THE BENCH GRINDER. C.- THE WHEEL FOR CRACKS. D.- THE ELECTRICAL POWER.
66.- WHAT TYPE OF ENERGY IS VELOCITY OF THE AIR? A.- POTENTIAL ENERGY. B.- KINETIC ENERGY. C.- WORK ENERGY. D.- STATIC ENERGY.
67.- WHAT DO YOU INSPECT IN A SCRIBER BEFORE USING IT? A.- THE CONDITION. B.- THE SERIAL NUMBER C.- THE POINTS FOR SHARPNESS. D.- THE LENGTH.
68.- WHAT MUST THE MECHANIC DO BEFORE INSTALLING A LINE ASSEMBLY IN AN AIRCRAFT? A.- INSPECT THE LINE AND FITTING CAREFULLY. B.- INSPECT THE LINE CAREFULLY. C.- INSPECT THE LINE, TOOLS AND FITTING CAREFULLY. D.- INSPECT THE LINE, FITTING, MAINTENANCE MANUAL AND TOOLS CAREFULLY.
69.- WHAT INSPECTION SHOULD BE ACCOMPLISHED AT THE TORQUE WRENCH BEFORE EACH USE? A.- VISUAL INSPECTION FOR DAMAGE. B.- VISUAL INSPECTION FOR CALIBRATION. C.- VISUAL INSPECTION FOR CLEANNESS. D.- CHECK THE INSTRUMENT READING.
70.- WHEN A HELICOPTER IS BEING WEIGHED, WHAT LOCATION MUST BE KNOWN? A.- THE LONGITUDINAL WEIGHING POINT. B.- THE LONGITUDINAL AND LATERAL WEIGHING POINTS. C.- THE LATERAL WEIGHING POINT. D.- THE LONGITUDINAL, VERTICAL AND LATERAL WEIGHING POINTS.
71.- WHAT IS THE BEST BARRIER BETWEEN METAL AND CORROSION? A.- THE USE OF BEST CLEANING B.- A GOOD PAINT FINISH. C.- A FIELD TREATMENT. D.- THE WET WASH.
72.- WHERE MUST THE MECHANIC AVOID USING CLAMPS IN FLEXIBLE HOSES? A.- CLOSE TO ELECTRIC LINES. B.- IN PRESURIZATION AREAS. C.- AT ANY LOCATIONS. D.- WHERE THE CLAMP CAN RESTRICT OR PREVENT HOSE FLEXURE.
73.- WHAT HAPPENS DURING AN AUTOROTATION IN A HELICOPTER? A.- THE ENGINE DOES NOT SUPPLY POWER. B.- THE ENGINE IS IN MAINTENANCE. C.- THE HELICOPTER IS IN A HOVERING POSITION. D.- THE CONING IS DOWNWARD.
74.- WHAT MATERIAL IS USED TO BUILD A TWIST DRILL? A.- CROME VANADIUM STEEL AND HIGH-SPEED CARBON ALLOY STEEL. B.- CROME STEEL ALLOY AND HIGH-SPEED ALLOY STEEL. C.- CARBON STEEL AND HIGH-SPEED ALLOY IRON. D.- CARBON STEEL AND HIGH-SPEED ALLOY STEEL.
75.- HOW MANY FORMS OF CORROSION ATTACK ON ALUMINUM ALLOYS ARE PARTICULARLY
SERIOUS? A.- TWO. B.- THREE. C.- FOUR. D.- FIVE.
76.- WHAT FLAME HAS TO BE USED FOR WELDING CHROME MOLYBDENUM? A.- A SOFT NEUTRAL FLAME. B.- A STRONG NEUTRAL FLAME. C.- A BIG STRONG FLAME. D.- A MEDIUM SOFT NEUTRAL FLAME.
77.- WHAT USE MUST NEVER BE GIVEN TO A SCREWDRIVER? A.- USE IT LIKE PLIERS OR PUNCHES. B.- USE IT LIKE CHISELS OR PUNCHES. C.- USE IT LIKE A FORK OR KNIFE. D.- USE IT LIKE A STONE OR HAMMER.
78.- WHAT HAPPENS TO AIR AS ALTITUDE INCREASES? A.- THE AIR BECOMES DENSER. B.- THE AIR BECOMES LESS DENSE. C.- THE OXYGEN PROPORTION CHANGES. D.- THE AIR BECOMES HEAVIER.
79.- WHAT IS AN AIRFOIL? A.- AN AIRFOIL IS AN AIRPLANE DESIGNED TO OBTAIN A DESIRABLE REACTION FROM THE AIR
THROUGH WHICH IT MOVES. B.- AN AIRFOIL IS A SURFACE DESIGNED TO OBTAIN A DESIRABLE REACTION FROM THE AIR
THROUGH WHICH IT MOVES. C.- AN AIRFOIL IS A SURFACE DESIGNED TO OBTAIN A DESIRABLE REACTION FROM THE AIR WHEN
IT IS ON THE GROUND. D.- AN AIRFOIL IS A PLANE CONSTRUCTED TO OBTAIN A DESIRABLE REACTION FROM THE AIR
THROUGH WHICH IT MOVES.
80.- WHAT DOES A PYLON USUALLY HAVE? A.- BULKHEADS, COVERS, DOORS, RIVETS AND BOLTS WITH NUTS. B.- SUPPORTS, FRAMES, FUEL PUMP AND PIPES. C.- ALUMINUM, ALLOYS, GASKETS AND BEAM D.- BULKHEADS, FORMERS, FRAMES, STRINGERS AND BEAMS.
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