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1.

Define Representative Fraction (r.f.)?

Answer»
  • It is a ratio of size taken on drawing sheet to the actual size of the object.
  • R.F. < 1 for big objects LIKE airplane, ship, tree, lathe etc.
  • R.F. = 1 for objects in common use. May be a book, shoe, pencil, pen, cell phone, REMOTE etc.
  • R.F.&GT;1 for small size objects like a wrist watch, pencil cell, thread NEEDLE, BUTTON etc.


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