Engineering Mechanics MCQ

Below Engineering Mechanics quiz are Multiple Choice Questions (MCQs) type Quiz. These Engineering Mechanics MCQ Questions helps you to refresh your Engineering Mechanics, you can see the correct option by clicking on it. .
  • 1. If a number of forces are acting at a point, their resultant is given by

    • (∑V)2 + (∑H)2
    • √[(∑V)2 + (∑H)2]
    • (∑V)2 +(∑H)2 +2(∑V)(∑H)
    • √[(∑V)2 +(∑H)2 +2(∑V)(∑H)]
  • 2. Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is

    • db³/12
    • bd³/12
    • db³/36
    • bd³/36
  • 3. If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

    • 30°
    • 60°
    • 90°
    • 120°
  • 4. The velocity ratio of a differential wheel and axle with 'D' as the diameter of effort wheel and d1 and d2 as the diameters of larger and smaller axles respectively, is

    • D/(d₁ + d₂)
    • D/(d₁ - d₂)
    • 2D/(d₁ + d₂)
    • 2D/(d₁ - d₂)
  • 5. The velocity of a body on reaching the ground from a height h, is

    • 2.√(gh)
    • √(gh)
    • √(2gh)
    • 2g.√h
  • 6. The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by

    • ω/r
    • ω.r
    • ω²/r
    • ω².r
  • 7. The velocity ratio for the third system of pulleys is

    • 2n - 1
    • n
    • 2n
  • 8. The maximum mechanical advantage of a lifting machine is

    • 1 + m
    • 1 - m
    • 1 / m
    • m