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Gas Turbine Engineering Handbook- Meherwan Download Total Pages - 810 File Size- 10 Mb

ACCURATE – Without error within tolerances allowed, precise, correct. ACHME THREAD – A screw thread having an included angle of 29° and largely used for feed screws on machine tools. ACUTE ANGLE – An angle which is less than a right angle, 90°. ADDENDUM – The portion of the tooth of a gear that extends from the pitch line to the outside. ALIGN – To bring two or more components of a unit into correct positions with respect to one another. ALLOWANCE – The intentional or desired difference between the maximum limits of mating parts to provide a certain class of fit. ANGLE – The amount of opening or divergence between two straight lines that meet at a vertex or that intersect each other. ANGLE OF THREAD – The included angle between the sides forming the groove of the screw thread. ANNULUS – A figure bounded by concentric circles or cylinders ( e.g., a washer, ring, sleeve etc.). ARC – A circular section of the circumfere