Strength of Materials Questions

• The Young's modulus of a material is 125 GPa and Poissons ratio is 0.25. The modulus of rigidity of me material is
• The unit of Young's modulus is same as that of stress.
• Every direct stress is always accompanied by a strain in its own direction and an opposite kind of strain in every direction, at right angles to it. Such a strain is known as
• The bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length is __________ at the fixed end.
• A continuous beam is one which is
• In a beam of uniform strength, the bending stress developed is constant and is equal to the allowable stress at every section of the beam.
• The value of equivalent length is taken to be half of the actual length of a column with one end fixed and the other end free.
• According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end hinged, is
• In a stress-strain diagram for mild steel, as shown in the below figure, the point A represents
• The shear force diagram of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length will be
• A load which acts at a point on a beam is not called uniformly distributed load.
• The proof resilience per unit volume of a material is known as modulus of resilience.
• A tensile test is performed on a round bar. After fracture, it has been found that the diameter remains approximately same at fracture. The material under test was
• The thermal stress in a bar is __________ proportional to the change in temperature.
• A spring, when loaded, is permanently distorted and recover its original shape when the load is removed.
• The neutral axis of a beam is subjected to __________ stress.
• The load at which the column just buckles, is known as
• A tensile test is performed on a mild steel round bar. Its diameter after fracture will
• The relation between equivalent length (L) and actual length (l) of a column for one end fixed and the other end hinged is
• In the above question, the normal stress on an oblique section will be maximum, when θ is equal to