Machine Design Which of the following property is essential for spring materials? Plasticity Stiffness Resilience Ductility Plasticity Stiffness Resilience Ductility ANSWER DOWNLOAD EXAMIANS APP
Machine Design Three different weights fall from a certain height under vacuum. They will take Same time to reach earth Times inversely proportional to weight to reach earth None of these Times proportional to weight to reach earth Same time to reach earth Times inversely proportional to weight to reach earth None of these Times proportional to weight to reach earth ANSWER DOWNLOAD EXAMIANS APP
Machine Design A coupling used to connect two perfectly aligned shafts, is Flange coupling All of these Compression coupling Muff coupling Flange coupling All of these Compression coupling Muff coupling 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). 10 m/s 20 m/s 15 m/s 12.5 m/s 10 m/s 20 m/s 15 m/s 12.5 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design Maximum principal stress theory is applicable for Brittle materials All of these Ductile materials Elastic materials Brittle materials All of these Ductile materials Elastic materials 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/ 4D3n Gd⁴/ 8D3n Gd⁴/ 8D²n Gd3/ 8D3n Gd⁴/ 4D3n Gd⁴/ 8D3n Gd⁴/ 8D²n ANSWER DOWNLOAD EXAMIANS APP