Machine Design In order to obtain bolt of uniform strength Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase shank diameter Increase its length Tighten die bolt properly Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase shank diameter Increase its length Tighten die bolt properly ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tensile strength of a mild steel specimen can be roughly predicted from following hardness test Brinell Vickers None of these Rockwell Brinell Vickers None of these Rockwell ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft) 2d + 13 mm d + 17 mm 3.5 d 2d + 20 mm 2d + 13 mm d + 17 mm 3.5 d 2d + 20 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the levers of __________ type, the mechanical advantage is less than one. Third First Second None of these Third First Second None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm) d = √t d = 6√t d = 2√t d = 1.6√t d = √t d = 6√t d = 2√t d = 1.6√t ANSWER DOWNLOAD EXAMIANS APP
Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 90° 45° 22.5° 67.5° 90° 45° 22.5° 67.5° ANSWER DOWNLOAD EXAMIANS APP
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