Machine Design
In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that

The effect of the restraining action of the heads at the end of the pressure vessel is neglected
The tensile stresses are uniformly distributed over the section of the walls
All of these
The effect of curvature of the cylinder wall is neglected

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Which is correct statement? Stress concentration in cyclic loading is

Very serious in ductile materials and less serious in brittle materials
Seriousness would depend on other factors
Very serious in brittle materials and less serious in ductile materials
Equally serious in both types of materials

ANSWER DOWNLOAD EXAMIANS APP