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MCQs

Total Questions : 49 | Page 4 of 5 pages
Question 31. What will be the the radius of gyration of a circular plate of diameter 10cm?
  1.    1.5cm
  2.    2.0cm
  3.    2.5cm
  4.    3cm
 Discuss Question
Answer: Option C. -> 2.5cm
Answer: (c).2.5cm
Question 32. What is the moment of inertia of a rectangular section about an horizontal axis through C.G?
  1.    bd³/6
  2.    bd²/12
  3.    b²d²/12
  4.    bd³/12
 Discuss Question
Answer: Option D. -> bd³/12
Answer: (d).bd³/12
Question 33. What is the moment of inertia of a circular section?
  1.    πD⁴/64
  2.    πD³/32
  3.    πD³/64
  4.    πD⁴/32
 Discuss Question
Answer: Option A. -> πD⁴/64
Answer: (a).πD⁴/64
Question 34. What is the moment of inertia of a rectangular section about an horizontal axis passing through base?
  1.    bd³/12
  2.    bd³/6
  3.    bd³/3
  4.    bd²/3
 Discuss Question
Answer: Option C. -> bd³/3
Answer: (c).bd³/3
Question 35. A rectangle has dimension of 10cm x 20cm. where will be its center of gravity?
  1.    (10,10)
  2.    (20,5)
  3.    (10,5)
  4.    (5,10)
 Discuss Question
Answer: Option C. -> (10,5)
Answer: (c).(10,5)
Question 36. Where will be the center of gravity of an I section will be if the dimension of upper web is 2x8cm, lower web is 2×16 and that of flange is 2x12cm If the y-axis will pass through the center of the section?
  1.    7.611cm
  2.    7.44cm
  3.    6.53cm
  4.    6.44cm
 Discuss Question
Answer: Option D. -> 6.44cm
Answer: (d).6.44cm
Question 37. The axis about which moment of area is taken is known as ____________
  1.    Axis of area
  2.    Axis of moment
  3.    Axis of reference
  4.    Axis of rotation
 Discuss Question
Answer: Option C. -> Axis of reference
Answer: (c).Axis of reference
Question 38. Where will be the center of gravity of an I section will be if the dimension of web is 2x20cm and that of flange is 2x15cm If the y-axis will pass through the center of the section?
  1.    8.5cm
  2.    9.5cm
  3.    10.5cm
  4.    11.5cm
 Discuss Question
Answer: Option B. -> 9.5cm
Answer: (b).9.5cm
Question 39. Where will be the center of gravity of an T section will be if the dimension of web is 2x20cm and that of flange is 2x15cm If the y-axis will pass through the center of the section?
  1.    10.5cm
  2.    11.45cm
  3.    12.35cm
  4.    12.85cm
 Discuss Question
Answer: Option B. -> 11.45cm
Answer: (b).11.45cm
Question 40. Point, where the total volume of the body is assumed to be concentrated is ____________
  1.    Center of area
  2.    Centroid of volume
  3.    Centroid of mass
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Centroid of volume
Answer: (b).Centroid of volume

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