Structural Mechanics Set 3

Civil Engineering

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This set of Structural Mechanics Multiple Choice Questions & Answers (MCQs) focuses on Structural Mechanics Set 3

Q1 | Which type of load is applied in tensile testing?
Q2 | Which law is also called as the elasticity law?
Q3 | The materials which have the same elastic properties in all directions are called __________
Q4 | The calculation of the moment of the body due to the loadings involve a quantity called ____________
Q5 | Moment of Inertia is the integration of the square of the distance of the centroidand the del area along the whole area of the structure.
Q6 | What is parallel axis theorem and to whom it is applied?
Q7 | The parallel axis theorem gives the moment of inertia ______________ to the surface of considerance.
Q8 | In the calculation of the radius of gyration, we use intensity of loadings. So whenever the distributed loading acts perpendicular to an area its intensity varies __________
Q9 | Elongation of a bar of uniform cross section of length „L?, due to its own weight „W? is given by
Q10 | steel bar 10 mm x 10 mm cross section is subjected to an axial tensile load of 20kN. If the length of bar is 1 m and E = 200 GPa, then elongation of the bar is:
Q11 | The modulus of rigidity and poisson?s ratio of a material are 80 GPa and 0.3 respectively. Its young?s modulus will be
Q12 | If the value of poisson?s ratio is zero
Q13 | The ratio between direct stress and volumetric strain is:
Q14 | Young?s modulus of a material which gives 2 kN/mm2 stress at 0.01 strainis
Q15 | The Young?s modulus of elasticity of a material is 2.5 times its modulus of rigidity. The Poisson?s ratio for the material will be
Q16 | Consider a 250mmx15mmx10mm steel bar which is free to expand is heated from 150C to 400C. what will be developed?
Q17 | The safe stress for a hollow steel column which carries an axial load of 2100 kN is 125 MN/m2. if the external diameter of the column is 30cm, what will be the internal diameter?
Q18 | The percentage reduction in area of a cast iron specimen during tensile test would be of the order of
Q19 | In a tensile test, near the elastic limit zone, the
Q20 | The stress necessary to initiate yielding is
Q21 | Rupture stress is
Q22 | stress at which extension of material takes place more quickly as comparedto increase in load is called
Q23 | The energy absorbed in a body, when it is strained within the elastic limits,is known as
Q24 | Resilience of a material is considered when it is subjected to
Q25 | The maximum strain energy that can be stored in a body is known as
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