Strength-of-materials Questions Set 13:
What is the ratio of the shear modulus to the modulus of elasticity for a Poisson's ratio of 0.8?
Solution:
Where is the maximum shearing stress in a beam located?
Solution:
What is the capacity of a strained body for doing work on the removal of the straining force called?
Solution:
A hollow circular shaft has an outer diameter of 30 mm and an inner diameter of 20 mm. Find the area moment of inertia of the circular shaft in mm4.
Solution:
A steel bar is subjected to an axial pull of 100 MPa in the X-direction. Calculate the normal stress inclined at 30 degrees to the cross-section of the bar.
Solution:
In which of the following cross-sections is the ratio of maximum shear stress to average shear stress equal to 3/2?
Solution:
Calculate the maximum deflection in a simply supported beam carrying a uniformly distributed load of 25 kN/m over a length of 6 meters. The flexural rigidity is given as 35000 kN-m2.
Solution:
Consider a beam with a load, deflected. The deflection as a function of the length (x) of the beam is given as follows:
Δ = (q/24*E*I)*[L³*x - 2*L²*x²]
The maximum value of deflection is at x = ___ and its maximum value is (q*L⁴/192*E*I)
Which of the following is the correct value of x and the constant K?
Solution:
Consider a column of a given dimension. It is to be installed somewhere, but the end conditions are not decided yet. We first installed it with one end fixed and one end hinged. We found the critical load to be 10 kN. If we change the setup to both ends fixed (keeping all the conditions and the column the same), what will be the critical load in that condition?
Solution:
A block of a particular material is under tensile loading. Data obtained from the experiment is observed to make the stress-strain curve for the given material. We know that the material is ductile. The maximum value of stress for the material is observed to be 350 MPa, and the minimum value of stress during the plastic region was observed to be 190 MPa. The end of the elastic region is observed at 280 MPa, and fracture occurs at 290 MPa. For the given statement, choose the correct option from the options below:
Solution:
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