Which statement(s) is/are true ?
I. A parabolic curve joining Se on the ordinate to Sut on the abscissa is called the Gerber line
II. A straight line joining Se on the ordinate to Syt on the abscissa is called the Soderberg line
III. A straight line joining Se on the ordinate to Sut on the abscissa is called the Goodman line
IV. A straight line joining Syt on the ordinate to Syt on the abscissa is called the limit on the first cycle of stress.
1
Only I is correct
2
I, II and III are correct
3
I, III and IV are correct
4
All four are correct
5
Question Not Attempted