Machine Design When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be 8F/ πd² 4F/ πd² 6F/ πd² 16F/ 3πd² 8F/ πd² 4F/ πd² 6F/ πd² 16F/ 3πd² ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should Never be across the threaded portion Be parallel to axis of bolt Be across threaded portion of shank Be normal to threaded portion of shank Never be across the threaded portion Be parallel to axis of bolt Be across threaded portion of shank Be normal to threaded portion of shank 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/2a)] σ [1 + (3a/b)] σ [1 + (2a/b)] σ [1 + (b/3a)] σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (2a/b)] σ [1 + (b/3a)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum bending stress in a curved beam having symmetrical section always occur at the Inside fiber Outside fiber Centroidal axis Neutral axis Inside fiber Outside fiber Centroidal axis Neutral axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design A cotter joint is used to connect two __________ rods. None of these Co-axial Parallel Perpendicular None of these Co-axial Parallel Perpendicular ANSWER DOWNLOAD EXAMIANS APP
Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Axial load plus stress due to bending Bending plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to acceleration/retardation Axial load plus stress due to bending Bending plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to acceleration/retardation ANSWER DOWNLOAD EXAMIANS APP
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