Machine Design The railway carriage couplings have Buttress threads Square threads Acme threads Knuckle threads Buttress threads Square threads Acme threads Knuckle threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which one of the following is a positive drive? V-belt drive Rope drive Crossed flat belt drive Chain drive V-belt drive Rope drive Crossed flat belt drive Chain drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material. Shear strength Yield strength None of these Elastic strength Shear strength Yield strength None of these Elastic strength 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
Machine Design In worm, gears, pitch lead angle is Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and the plane of rotation The angle between the tangent to the pitch helix and an element of the cylinder None of these Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and the plane of rotation The angle between the tangent to the pitch helix and an element of the cylinder None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The width of the pulley should be __________ width of the belt. Equal to Less than Greater than None of these Equal to Less than Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
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