Machine Design Which one of the following is a positive drive? Rope drive Crossed flat belt drive V-belt drive Chain drive Rope drive Crossed flat belt drive V-belt drive Chain drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design Fabric belts are used in industrial applications because They can work at high temperature They are cheap None of these They are unaffected by moisture and humidity They can work at high temperature They are cheap None of these They are unaffected by moisture and humidity ANSWER DOWNLOAD EXAMIANS APP
Machine Design The lower deviation is the algebraic difference between the Maximum limit and the basic size Actual size and the corresponding basic size None of these Minimum limit and the basic size Maximum limit and the basic size Actual size and the corresponding basic size None of these Minimum limit and the basic size ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 15 m/s 10 m/s 20 m/s 12.5 m/s 15 m/s 10 m/s 20 m/s 12.5 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value? Maximum distortion energy theory Maximum principal stress theory Maximum strain energy theory Maximum shear stress theory Maximum distortion energy theory Maximum principal stress theory Maximum strain energy theory Maximum shear stress theory 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 + (2a/b)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (b/2a)] ANSWER DOWNLOAD EXAMIANS APP