Machine Design

2. — Failure theory based on strain energy given by.
3. — Ultimate tensile strength 400 MPa, working stress 80 MPa; factor of safety.
6. — Failure caused due to repeated or cyclic stresses.
7. — Ratio of ultimate stress to working stress.
10. — Allowance to ensure structure safety.
13. — Cantilever with point load 40 N at 0.5 m from fixed end; bending moment at fixed end (N·m).
14. — Joint used for connecting rods under tensile or compressive load.
16. — Shear force per unit resisting area(initial name).
18. — Material which suddenly break without warning.
20. — Diagram(Line) used for fatigue design under mean & alternating stress.

1. — Maximum stress theory (name of scientist).
4. — Material property representing ability to resist repeated loading.
5. — Rectangular key width 10 mm and thickness 8 mm; shear area in mm².
8. — Key type commonly used in shafts.
9. — Resistance offered per unit area under load.
11. — Joint used for connecting two rods under tensile load.
12. — Fastener used in permanent joints of plates.
15. — Shaft joining device.
17. — Shaft with bending moment 40 N·m and torque 30 N·m; equivalent moment (N·m).
19. — Curve representing cycles to failure under stress.