Sail E0 Webinar

MCQs

Total Questions : 53 | Page 3 of 6 pages
Question 21. What is the strain energy stored in a body due to gradually applied load?
  1.    σE/V
  2.    σE²/V
  3.    σV²/E
  4.    σV²/2E
 Discuss Question
Answer: Option D. -> σV²/2E
Answer: (d).σV²/2E
Question 22. 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 __________
  1.    125 kg-cm
  2.    1000 kg-cm
  3.    500 kg-cm
  4.    100 kg-cm
 Discuss Question
Answer: Option A. -> 125 kg-cm
Answer: (a).125 kg-cm
Question 23. Strain energy stored in a body to uniform stress s of volume V and modulus of elasticity E is __________
  1.    s²V/2E
  2.    sV/E
  3.    sV²/E
  4.    sV/2E
 Discuss Question
Answer: Option A. -> s²V/2E
Answer: (a).s²V/2E
Question 24. 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:
  1.    τ²/E x (1+ v)
  2.    τ²/E x (1+ v)
  3.    τ²/2E x (1+ v)
  4.    τ²/E x (2+ v)
 Discuss Question
Answer: Option B. -> τ²/E x (1+ v)
Answer: (b).τ²/E x (1+ v)
Question 25. PL³/3EI is the deflection under the load P of a cantilever beam. What will be the strain energy?
  1.    P²L³/3EI
  2.    P²L³/6EI
  3.    P²L³/4EI
  4.    P²L³/24EI
 Discuss Question
Answer: Option B. -> P²L³/6EI
Answer: (b).P²L³/6EI
Question 26. 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 __________
  1.    (σ₁² + σ₂² – 2σ₁σ₂ ) / 2E
  2.    (σ₁² + σ₂² + 2σ₁σ₂ ) / 2E
  3.    (σ₁² - σ₂² – 2σ₁σ₂ ) / 2E
  4.    (σ₁² - σ₂² + 2σ₁σ₂) / 2E
 Discuss Question
Answer: Option A. -> (σ₁² + σ₂² – 2σ₁σ₂ ) / 2E
Answer: (a).(σ₁² + σ₂² – 2σ₁σ₂ ) / 2E
Question 27. The strain energy in a member is proportional to __________
  1.    Product of stress and the strain
  2.    Total strain multiplied by the volume of the member
  3.    The maximum strain multiplied by the length of the member
  4.    Product of strain and Young’s modulus of the material
 Discuss Question
Answer: Option D. -> Product of strain and Young’s modulus of the material
Answer: (d).Product of strain and Young’s modulus of the material
Question 28. 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 __________
  1.    WL / AE
  2.    W²L / 4AE
  3.    W²L / 2AE
  4.    WL / 4AE
 Discuss Question
Answer: Option C. -> W²L / 2AE
Answer: (c).W²L / 2AE
Question 29. 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?
  1.    1.1mm
  2.    1.24mm
  3.    2mm
  4.    1.19mm
 Discuss Question
Answer: Option D. -> 1.19mm
Answer: (d).1.19mm
Question 30. If forces P, P and P of a system are such that the force polygon does not close, then the system will __________
  1.    Be in equilibrium
  2.    Reduce to a resultant force
  3.    Reduce to a couple
  4.    Not be in equilibrium
 Discuss Question
Answer: Option D. -> Not be in equilibrium
Answer: (d).Not be in equilibrium

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0