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Measuring and markin
Tools etc
Question | Answer |
---|---|
What is the scriber used for | Drawing lines on metal |
Name 3 detail about the scriber | Made of high carbon steel, point is at an angle of 30 degrees, body is knurled for better grip |
Name 2 parts of try square and how they are joined | Stock and blade joined by rivets |
Name 4 uses of the try square | Drawing lines at a right angle to edge of piece, check if angle is 90 degrees, using blade as a straight edge, Making thing vertical in vice |
What is a dot/center punch used for | Making indentations to guide drill bits, highlighting marking out lines |
Name the difference between an inside and outside calipers | Inside calipers are used to measure internal space while outside calipers measure outside diameter |
Name the parts of vernier caliper | Internal/external jaws, vernier scale, locking screw, depth blade, main scale |
Name the parts of micrometer | Anvil, measuring faces, u frame, thimble, circular scale, main scale |