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GENERAL ORALS
CHAPTER 5 - AIRCRAFT DRAWINGS
| Question | Answer |
|---|---|
| HOW MANY VIEWS ARE REQUIRED TO REPRESENT THE IMPORTANT DETAILS OF MOST AIRCRAFT PARTS? | ONE, TWO, OR THREE VIEWS ARE USUALLY ENOUGH. |
| WHAT KINDS OF PARTS CAN BE REPRESENTED BY ONE-VIEW DRAWINGS? | PARTS WITH UNIFORM THICKNESS SUCH AS SHIMS, PLATES, AND GASKETS. |
| WHAT IS THE NAME FOR A PART OF A DRAWING USED TO BRING OUT IMPORTANT DETAILS AND HOW IT IS DRAWN? | A DETAILED VIEW, WHICH IS USUALLY DRAWN TO A LARGER SCALE THAN THE MAIN DRAWING. |
| WHAT IS THE PURPOSE OF SCHEMATIC DIAGRAMS? | THEY ARE PRIMARILY USED FOR TROUBLESHOOTING SYSTEMS. |
| DESCRIBE AN ORTHOGRAPHIC PROJECTION. | IT IS A WAY OF DRAWING AN OBJECT USING DIFFERENT VIEWS AT RIGHT ANGLES TO EACH OTHER, SUCH AS A TOP, FRONT, AND SIDE VIEW. |
| WHY DO MANUFACTURERS USE SYMBOLS ON AIRCRAFT DRAWINGS? | SYMBOLS ARE A FORM OF SHORTHAND AND ARE USED TO CONVEY THE CHARACTERISTICS OF A COMPONENT WITH A MINIMUM OF DRAWING. |
| DESCRIBE THE APPEARANCE OF LINES USED TO SHOW HIDDEN VIEWS. | HIDDEN VIEWS ARE SHOWN WITH HIDDEN LINES, WHICH ARE SHORT, EVENLY SPACED DASHES. |
| DESCRIBE THE APPEARANCE OF LINES USED TO SHOW ALTERNATE POSITIONS. | ALTERNATE POSITIONS ARE SHOWN WITH PHANTOM LINES MADE UP OF LIGHT, ALTERNATING LONG DASHES AND TWO SHORT DASHES. |
| DESCRIBE THE APPEARANCE OF LINES USED TO SHOW THE MIDDLE OF SYMMETRICAL OBJECTS. | CENTER LINES, CONSISTING OF ALTERNATING LONG AND SHORT DASHES, SHOW THE MIDDLE OF SYMMETRICAL OBJECTS. |
| HOW CAN YOU DETERMINE IF A DRAWING HAS BEEN CHANGED? | A RECORD OF THE CHANGES IS LISTED EITHER IN A REVISION BLOCK OR IN RULED COLUMNS, WHICH MAY BE IN A CORNER OF THE DRAWING OR NEXT TO THE TITLE BLOCK. |
| HOW ARE DIMENSIONS SHOWN ON AIRCRAFT DRAWING, AND WHAT IS THEIR PURPOSE? | DIMENSION LINES ARE USUALLY SOLID AND GENERALLY BROKEN AT THE MIDPOINT FOR INSERTION OF THE MEASUREMENT. THEY PROVIDE A MEANS TO ACCURATELY REPRESENT THE SIZE OF AN OBJECT. |
| WHAT IS THE DIFFERENCE BETWEEN AN "ALLOWANCE" AND A "TOLERANCE"? | TOLERANCE IS THE ALLOWABLE DEVIATION (+ OR -) FROM THE IDEAL MEASUREMENT. ALLOWANCE IS THE DIFFERENCE BETWEEN THE LARGEST PERMISSIBLE DEVIATION AND SMALLEST PERMISSIBLE DEVIATION. |
| WHAT IS MEANT BY "CLEARANCE" WHEN USED ON AIRCRAFT DRAWINGS? | AN ALLOWABLE DIMENSION BETWEEN TWO PARTS. |
| WHAT KINDS OF INFORMATION ABOUT AN AIRCRAFT DRAWING CAN BE FOUND IN THE TITLE BLOCK? | THE PART OR ASSEMBLY NAME, DRAWING SIZE, SCALE, DATE, COMPANY NAME, NAME OR INITIALS OF THE PEOPLE RESPONSIBLE FOR CREATING OR APPROVING THE DRAWING. |
| WHAT INFORMATION IS CONTAINED IN A "BILL OF MATERIALS"? | A LIST OF THE MATERIALS AND PARTS NEEDED TO FABRICATE OR ASSEMBLE THE COMPONENT OR SYSTEM SHOWN IN THE DRAWING. |
Created by:
brookburns34924
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