Definition of Strain Energy MCQ

Test your knowledge with important Definition of Strain Energy MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Definition of Strain Energy MCQs on Bissoy. Bissoy App

• A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 5m long. What is the strain energy in the rod if the load is applied suddenly (E = 2×105 N/mm2)?
  ক

  d143.23 N-m

  খ

  140.51 N-m

  গ

  135.145 N-m

  ঘ

  197.214 N-m
• A tensile load of 50kN is gradually applied to a circular bar of 5cm diameter and 5m long. What is the strain energy absorbed by the rod (E = 200GP
  ক

  ? ] 14 N-m

  খ

  15.9 N-mm

  গ

  15.9 N-m

  ঘ

  14 N-mm
• A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 5m long. What is the stretch in the rod if E = 2×105 N/mm2?
  ক

  1.1mm

  খ

  1.24mm

  গ

  2mm

  ঘ

  1.19mm
• A bar of cross-section A and length L is subjected to an axial load W. the strain energy stored in the bar would be __________
  ক

  WL / AE

  খ

  W2L / 4AE

  গ

  W2L / 2AE

  ঘ

  WL / 4AE
• The strain energy in a member is proportional to __________
  ক

  Product of stress and the strain

  খ

  Total strain multiplied by the volume of the member

  গ

  The maximum strain multiplied by the length of the member

  ঘ

  Product of strain and Young’s modulus of the material
• If forces P, P and P of a system are such that the force polygon does not close, then the system will __________
  ক

  Be in equilibrium

  খ

  Reduce to a resultant force

  গ

  Reduce to a couple

  ঘ

  Not be in equilibrium
• A material of youngs modulus and Poissons ratio of unity is subjected to two principal stresses σ1 and σ2 at a point in two dimensional stress system. The strain energy per unit volume of the material is __________
  ক

  (σ12 + σ22 – 2σ1σ2 ) / 2E

  খ

  (σ12 + σ22 + 2σ1σ2 ) / 2E

  গ

  (σ12 – σ22 – 2σ1σ2 ) / 2E

  ঘ

  (σ12 – σ22 – 2σ1σ2 ) / 2E
• A rectangular block of size 400mm x 50mm x 50mm is subjected to a shear stress of 500kg/cm2. If the modulus of rigidity of the material is 1×106 kg/cm2, the strain energy will be __________
  ক

  125 kg-cm

  খ

  1000 kg-cm

  গ

  500 kg-cm

  ঘ

  100 kg-cm
• PL3/3EI is the deflection under the load P of a cantilever beam. What will be the strain energy?
  ক

  P2L3/3EI

  খ

  P2L3/6EI

  গ

  P2L3/4EI

  ঘ

  P2L3/24EI
• In a material of pure shear stress τthe strain energy stored per unit volume in the elastic, homogeneous isotropic material having elastic constants E and v will be:
  ক

  τ2/E x (1+ v)

  খ

  τ2/E x (1+ v)

  গ

  τ2/2E x (1+ v)

  ঘ

  τ2/E x (2+ v)
• Strain energy stored in a body to uniform stress s of volume V and modulus of elasticity E is __________
  ক

  s2V/2E

  খ

  sV/E

  গ

  sV2/E

  ঘ

  sV/2E
• What is the strain energy stored in a body due to gradually applied load?
  ক

  σE/V

  খ

  σE2/V

  গ

  σV2/E

  ঘ

  σV2/2E