Describe the five factors formulated by the pugsley for safety factor.
How does notch sensitivity affect fatigue failure compared to other factors?
Illustrate out the term tolerance zone. describe with neat sketch.
What do you mean by the term surface roughness index?
Illustrate out the term piston slap.
Compute piston pin diameter with I/d ratio of 1.1. The limiting bearing pressure is the 30MPa. The load acting on piston pin is 45 kN.
Compute the cap bolt size subjected to preload of 7 kN and internal force of the 18kN. Yield stress is 400 MPa, endurance stress is 100 MPa and factor of safety is 2.
Illustrate out the term firing order. Mention its significance.
Which valve is bigger in size? Give explanation for.