Machine Design
The permissible stress for carbon steel under static loading is generally taken as

4000-4500 kg/cm²
3000-4000 kg/cm²
2000-3000 kg/m²
7500-10,000 kg/cm²

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The elasticity is the property of a material which enables it to

Retain deformation produced under load permanently
Regains its original shape after deformation when the external forces are removed
Resists fracture due to high impact loads
Draw into wires by the application of a tensile force

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that

It is subjected to a higher cyclic loading than the outer side
It is more stretched than the outer side during the manufacturing process
It is subjected to a higher stress than the outer side
It has a lower curvature than the outer side

ANSWER DOWNLOAD EXAMIANS APP