Fatigue cracks in metals normally start at

Related MCQs

• Fatigue failure occurs when a part is subjected to
• The fatigue limit of a shaft connot be increased by
• The fatigue strength of materials increases
• Which of the following metals has high tendency to get work hardened?
• When a current is passed through the junction of two different metals, heat is absorbed or liberated depending on the direction of the current. The above phenomenon is known as
• The size of coarse grams in metals is
• Corrosion is a destructive attack on metals
• When the metals are severely deformed in a particular direction, as in rolling or forging (on a macro scale), the mechanical properties may be
• The defect responsible for the phenomenon of slip, by which most metals deform plastically, is known as
• When a loop composed of two dissimilar metals could be made to carry a continuous current simply by maintaining the two junctions at different temperatures, the above effect is known as