Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 45° 67.5° 90° 22.5° 45° 67.5° 90° 22.5° ANSWER DOWNLOAD EXAMIANS APP
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (b/3a)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (3a/b)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage capacity of shell, then its diameter will be (6V/ π)2 (6V/ π)1/2 (6V/ π)3 (6V/ π)1/3 (6V/ π)2 (6V/ π)1/2 (6V/ π)3 (6V/ π)1/3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tensile strength of a mild steel specimen can be roughly predicted from following hardness test Brinell Vickers Rockwell None of these Brinell Vickers Rockwell None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crowning on pulley helps In decreasing the slip of the belt In increasing the slip of the belt To keep the belt in centre on a pulley while it is in motion To increase pulley life In decreasing the slip of the belt In increasing the slip of the belt To keep the belt in centre on a pulley while it is in motion To increase pulley life ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up so that tightening stress Approaches yield point Is 50% of yield point Is just sufficient to hold parts together Is about yield point divided by safety factor Approaches yield point Is 50% of yield point Is just sufficient to hold parts together Is about yield point divided by safety factor ANSWER DOWNLOAD EXAMIANS APP
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