: ENGLISH FOR MAINTENANCE LICENSES.parte 8

71.- WHAT IS THE BEST BARRIER BETWEEN METAL AND CORROSION? (18741) REF.: FAA-H-8083-30, PAGE 6-19. 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? (18816) REF.: FAA-H-8083-30, PAGE 7-21. 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? (18990) REF.: AC 65-15A, PAGE 54. 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? (18863) REF.: FAA-H-8083-30, PAGE 9-12. 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? (18785) REF.: FAA-H-8083- 30, PAGE 6-13. A.- TWO. B.- THREE. C.- FOUR. D.- FIVE.

76.- WHAT FLAME HAS TO BE USED FOR WELDING CHROME MOLYBDENUM? (19130) REF.: AC 65-15A, PAGE 259. 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? (18857) REF.: FAA-H-8083-30, PAGE 9-2. 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? (19111) REF.: AC 65-12A, PAGE 120. 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? (18991) REF.: AC 65-15A, PAGE 30. 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? (18829) REF.: AC 65-15A, PAGE 24. 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.