Machine Design A riveted joint is a __________ fastening. Permanent Either A or B Temporary None of these Permanent Either A or B Temporary None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio Decreases Remains unchanged Increases None of these Decreases Remains unchanged Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In cylindrical cams, the follower moves In a direction perpendicular to the cam axis Along the cam axis In a direction parallel to the cam axis In any direction irrespective of cam axis In a direction perpendicular to the cam axis Along the cam axis In a direction parallel to the cam axis In any direction irrespective of cam axis 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) Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 8D3n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 8D3n Gd⁴/ 4D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The angle of twist of shaft is Inversely proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)² Directly proportional to (shaft diameter)² Directly proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)² Directly proportional to (shaft diameter)² Directly proportional to (shaft diameter)⁴ 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 + (2a/b)] σ [1 + (b/3a)] σ [1 + (3a/b)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (b/3a)] σ [1 + (3a/b)] ANSWER DOWNLOAD EXAMIANS APP
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