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Question: A circular hole of 50 mm diameter is cut out from a circular disc of 100 mm diameter as shown in the below figure. the center of gravity of the section will lie
Options:
A. In the shaded area
B. In the hole
C. At ‘O’
D. None of these
Answer: Option A

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More Questions on This Topic :

Question 1. A framed structure is perfect if it contains members equal to (where, n = number of joints in a frame)
  1.     2n³
  2.     2n
  3.     n²
  4.     3n²
Answer: Option A
Question 2. The centre of gravity of a uniform lamina lies at
  1.     The centre of heavy portion
  2.     The bottom surface
  3.     The midpoint of its axis
  4.     All of the above
Answer: Option C
Question 3. The range of projectile on a downward inclined plane is ________ the range on upward inclined plane for the same velocity of projection and angle of projection.
  1.     Less than
  2.     More than
  3.     Equal to
  4.     None of These
Answer: Option B
Question 4. A screw jack used for lifting the loads is
  1.     A reversible machine
  2.     A non-reversible machine
  3.     An ideal machine
  4.     None of these
Answer: Option B
Question 5. A circular hole of 50 mm diameter is cut out from a circular disc of 100 mm diameter as shown in the below figure. the center of gravity of the section will lie
  1.     In the shaded area
  2.     In the hole
  3.     At ‘O’
  4.     None of these
Answer: Option A
Question 6. A screw jack used for lifting the loads is
  1.     A reversible machine
  2.     A non-reversible machine
  3.     An ideal machine
  4.     None of these
Answer: Option B

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