Machine Design The value of Lewis form factor used in design of gears is Dependent on number of teeth of a gear All of these Independent of size of teeth Dependent on system of teeth Dependent on number of teeth of a gear All of these Independent of size of teeth Dependent on system of teeth ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring index is Load required to produce unit deflection Its capability of storing energy Ratio of coil diameter to wire diameter Indication of quality of spring Load required to produce unit deflection Its capability of storing energy Ratio of coil diameter to wire diameter Indication of quality of spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design A stud Has pointed threads Has head at one end and other end fits into a tapped hole in the other part to be joined Has both the ends threaded Has a head on one end and a nut fitted to the other Has pointed threads Has head at one end and other end fits into a tapped hole in the other part to be joined Has both the ends threaded Has a head on one end and a nut fitted to the other 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 stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 8D²n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 1.8 d 1.57 d 0.8 d 1.2 d 1.8 d 1.57 d 0.8 d 1.2 d ANSWER DOWNLOAD EXAMIANS APP
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