Engineering Mechanics The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be 3r/2 r/A 2r/3 r/2 3r/2 r/A 2r/3 r/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tanα/tan (α + φ) None of these tan(α + φ)/tanα tan(α - φ)/tanα tanα/tan (α + φ) None of these tan(α + φ)/tanα tan(α - φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The C.G. of a solid hemisphere lies on the central radius 3r At distance — from the plane base 3r At distance — from the plane base At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base At distance — from the plane base 3r At distance — from the plane base 3r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act Towards the wall at its upper end Away from the wall at its upper end Upward at its upper end Downward at its upper end Towards the wall at its upper end Away from the wall at its upper end Upward at its upper end Downward at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces which meet at one point, but their lines of action __________ on the same plane, are Known as non-coplanar concurrent forces. Do not lie Lie None of these Either A or B Do not lie Lie None of these Either A or B ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia is the Second moment of area All of these Second moment of force Second moment of mass Second moment of area All of these Second moment of force Second moment of mass ANSWER DOWNLOAD EXAMIANS APP
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