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MCQs

Total Questions : 90 | Page 7 of 9 pages
Question 61. What is the point P shown on the stress strain curve?What Is The Point P Shown On The Stress Strain Curve?
  1.    Upper yield point
  2.    Yield plateau
  3.    Elastic limit
  4.    Ultimate point
 Discuss Question
Answer: Option D. -> Ultimate point
Answer: (d).Ultimate point
Question 62. What is the point shown in the stress strain curve?What Is The Point Shown In The Stress Strain Curve?
  1.    Elastic limit
  2.    Lower yield point
  3.    Yield plateau
  4.    Lower strain point
 Discuss Question
Answer: Option B. -> Lower yield point
Answer: (b).Lower yield point
Question 63. What is the point P shown in the stress-strain curve?What Is The Point P Shown In The Stress-strain Curve?
  1.    Lower yield point
  2.    Elastic limit
  3.    Proportionality limit
  4.    Breaking point
 Discuss Question
Answer: Option D. -> Breaking point
Answer: (d).Breaking point
Question 64. The dimension of strain is?The Dimension Of Strain Is?
  1.    LT⁻²
  2.    N/m²
  3.    N
  4.    Dimensionless
 Discuss Question
Answer: Option D. -> Dimensionless
Answer: (d).Dimensionless
Question 65. A rigid beam ABCD is hinged at D and supported by two springs at A and B as shown in the given figure. The beam carries a vertical load P and C. the stiffness of spring at A is 2K and that of B is K.
What will be the ratio of forces of spring at A and that of spring at B?A Rigid Beam ABCD Is Hinged At D And Supported By Two Spring...
  1.    4
  2.    3
  3.    2
  4.    1
 Discuss Question
Answer: Option B. -> 3
Answer: (b).3
Question 66. In an experiment, the bulk modulus of elasticity of a material is twice its modulus of rigidity. The Poissons ratio of the material is ___________
  1.    1/7
  2.    2/7
  3.    3/7
  4.    4/7
 Discuss Question
Answer: Option B. -> 2/7
Answer: (b).2/7
Question 67. How many elastic constants of a linear, elastic, isotropic material will be?
  1.    2
  2.    3
  3.    1
  4.    4
 Discuss Question
Answer: Option A. -> 2
Answer: (a).2
Question 68. Calculate the modulus of resilience for a 2m long bar which extends 2mm under limiting axial stress of 200 N/mm²?
  1.    0.01
  2.    0.20
  3.    0.10
  4.    0.02
 Discuss Question
Answer: Option C. -> 0.10
Answer: (c).0.10
Question 69. How can be the Poissons ratio be expressed in terms of bulk modulus(K) and modulus of rigidity(G)?
  1.    (3K – 4G) / (6K + 4G)
  2.    (3K + 4G) /( 6K – 4G)
  3.    (3K – 2G) / (6K + 2G)
  4.    (3K + 2G) / (6K – 2G)
 Discuss Question
Answer: Option C. -> (3K – 2G) / (6K + 2G)
Answer: (c).(3K – 2G) / (6K + 2G)
Question 70. How many elastic constants of a non homogeneous, non isotropic material will be?
  1.    9
  2.    15
  3.    20
  4.    21
 Discuss Question
Answer: Option D. -> 21
Answer: (d).21

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