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MCQs

Total Questions : 58 | Page 6 of 6 pages
Question 51. Tensile stresses in igneous rocks are developed during ___________
  1.    Cooling
  2.    Crystallisation
  3.    Cooling and crystallisation
  4.    Molten state
 Discuss Question
Answer: Option C. -> Cooling and crystallisation
Answer: (c).Cooling and crystallisation
Question 52. The type of regular joint not belonging to igneous rocks is?
  1.    Sheet jointing
  2.    Box jointing
  3.    Mural jointing
  4.    Columnar jointing
 Discuss Question
Answer: Option B. -> Box jointing
Answer: (b).Box jointing
Question 53. Joints are not common and are very easy structures to study in rocks.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 54. Sheet joints are caused not due to ___________
  1.    Consequence of loading
  2.    Weathering
  3.    Removal of overlying rock mass
  4.    Consequence of unloading
 Discuss Question
Answer: Option A. -> Consequence of loading
Answer: (a).Consequence of loading
Question 55. Columnar joints are also called ___________
  1.    Radial joints
  2.    Pyramid joints
  3.    Prismatic joints
  4.    Box joints
 Discuss Question
Answer: Option C. -> Prismatic joints
Answer: (c).Prismatic joints
Question 56. Types of joint found in volcanic igneous rocks are?
  1.    Sheet joints
  2.    Mural joints
  3.    Columnar joints
  4.    Radial joints
 Discuss Question
Answer: Option C. -> Columnar joints
Answer: (c).Columnar joints
Question 57. The geometrical distribution where rock mass is divided into cubes is ___________
  1.    Sheet jointing
  2.    Mural jointing
  3.    Columnar jointing
  4.    Radial jointing
 Discuss Question
Answer: Option B. -> Mural jointing
Answer: (b).Mural jointing
Question 58. How are the main joints aligned to the cooling surface?
  1.    Perpendicular
  2.    Parallel
  3.    At 45°
  4.    At 30°
 Discuss Question
Answer: Option A. -> Perpendicular
Answer: (a).Perpendicular

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