## MCQs

Total Questions : 49 | Page 5 of 5 pages
Question 41. What is the formula of theorem of parallel axis?
1.    IAD = IG + Ah
2.    IAB = Ah² + IG
3.    IAB = IG – Ah²
4.    IAB = IG + Ixx
Answer: Option B. -> IAB = Ah² + IG
Answer: (b).IAB = Ah² + IG
Question 42. What is the formula of theorem of perpendicular axis?
1.    Izz = Ixx – Iyy
2.    Izz = Ixx + Ah²
3.    Izz – Ixx = Iyy
4.    None of the mentioned
Answer: Option C. -> Izz – Ixx = Iyy
Answer: (c).Izz – Ixx = Iyy
Question 43. What is the formula of radius of gyration?
1.    k² = I/A
2.    k² = I²/A
3.    k² = I²/A²
4.    k² = (I/A)^1/2
Answer: Option A. -> k² = I/A
Question 44. What is MOI?
1.    ml²
2.    mal
3.    ar²
4.    None of the mentioned
Question 45. What is the unit of mass moment of inertia?
1.    m⁴
2.    m⁶
3.    N
4.    m²
Question 46. What is mass moment of inertia of circular plate?
1.    Md²/3
2.    Md²/12
3.    Mr²/4
4.    Mr²/3
Question 47. What is the mass MOI of a rectangular plate about x-axis passing through the C.G of the plate if the y-axis is parallel to d and perpendicular to b?
1.    Mb²/12
2.    Md²/12
3.    Md²/6
4.    Mb²/6
Question 48. What is the mass MOI of a hollow circular cylinder if R is the outer diameter and r is the inner diameter?
1.    M(R + r)/4
2.    M(R – r )/4
3.    M(R+ r)/2
4.    M(R – r)/2
Answer: Option A. -> M(R + r)/4