Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 5 N-m 15 N-m 7 N-m 10 N-m 5 N-m 15 N-m 7 N-m 10 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Multiple threads are used to secure Low efficiency High efficiency High mechanical advantage High load lifting capacity Low efficiency High efficiency High mechanical advantage High load lifting capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rivets are generally specified by Length of rivet Thickness of plates to be riveted Nominal diameter Diameter of head Length of rivet Thickness of plates to be riveted Nominal diameter Diameter of head 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 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be W/A 3W/A W/2A 2W/A W/A 3W/A W/2A 2W/A ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the threads and normal tolerance grade is designated as M8 - 6d M6 - 8d M8 M6 M8 - 6d M6 - 8d M8 M6 ANSWER DOWNLOAD EXAMIANS APP
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