Engineering Mechanics 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 width (b), is bd³/12 bd³/36 db³/12 db³/36 bd³/12 bd³/36 db³/12 db³/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tan(α - φ)/tanα tanα/tan (α + φ) tan(α + φ)/tanα None of these tan(α - φ)/tanα tanα/tan (α + φ) tan(α + φ)/tanα None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The point, through which the whole weight of the body acts, irrespective of its position, is known as Moment of inertia Center of mass Center of percussion Center of gravity Moment of inertia Center of mass Center of percussion Center of gravity ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be 2L/3 L/3 L/2 3L/4 2L/3 L/3 L/2 3L/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is bh3/8 bh3/12 bh3/4 bh3/36 bh3/8 bh3/12 bh3/4 bh3/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum velocity of a particle moving with simple harmonic motion is ω/r ω2r ωr ω ω/r ω2r ωr ω ANSWER DOWNLOAD EXAMIANS APP
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