Machine Design For tight leakage joints, following type of thread is best suited Metric NPT (national pipe threads). Buttress Square Metric NPT (national pipe threads). Buttress Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/6 d/4 d/2 d/8 d/6 d/4 d/2 d/8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° - φ/2 45° - φ 90° - φ 45° + φ/2 45° - φ/2 45° - φ 90° - φ 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft) 2d + 20 mm 2d + 13 mm 3.5d d + 17 mm 2d + 20 mm 2d + 13 mm 3.5d d + 17 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design The edges of a boiler plate are bevelled to an angle of 60° 45° 30° 80° 60° 45° 30° 80° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rankine's theory is used for Brittle materials Plastic materials Ductile materials Elastic materials Brittle materials Plastic materials Ductile materials Elastic materials ANSWER DOWNLOAD EXAMIANS APP
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