Across
- 2. Type of coupling designed to protect the shaft system from overloads.
- 4. In static loading, the ratio of actual working stress to yield stress.
- 6. If mean stress is 60 MPa and amplitude stress is 40 MPa, alternating stress is ____ MPa.
- 7. Diagram used to represent the safe and unsafe regions for fluctuating stresses.
- 9. Theory of failure suitable for brittle materials, also called Maximum Normal Stress Theory.
- 10. Failure theory used for design of ductile components under complex stress states, based on distortion energy.
- 12. If σmax = 120 MPa and σmin = 40 MPa, mean stress is ____ MPa.
- 15. If a steel shaft of 40 mm diameter transmits 25 kW at 300 rpm, torque is approximately ____ N-m.
- 18. Type of coupling that can tolerate slight angular and axial misalignments.
- 19. Graphical method to evaluate fatigue strength under combined stresses.
- 20. In fatigue loading, this stress is calculated as (σmax – σmin)/2.
Down
- 1. For a bolt under eccentric loading, the maximum load acts on the bolt farthest from this point.
- 3. Endurance limit of steel is approximately ____ % of its ultimate tensile strength.
- 5. Design stress obtained after applying factor of safety.
- 8. In fatigue design, failure occurs even when stresses are below yield point due to this phenomenon.
- 11. For a rotating shaft under bending moment and torque, the design is based on this type of stress.
- 13. Power transmitted by a shaft = (2πNT)/60. In this formula, T is _____.
- 14. The stress at which a ductile material begins to undergo significant plastic deformation.
- 16. When a shaft is suddenly applied with torque, maximum shear stress is ____ times that under static torque.
- 17. A shaft section weakened by this slot has reduced strength.