Engineering Mechanics The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of 0.7 r 0.6 r 0.8 r 0.5 r 0.7 r 0.6 r 0.8 r 0.5 r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In actual machines, mechanical advantage is _________ velocity ratio. Greater than None of these Less than Equal to Greater than None of these Less than Equal to 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 vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base. Two times Four times Nine times Six times Two times Four times Nine times Six times ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when in motion, is known as Static friction Rolling friction Dynamic friction Limiting friction Static friction Rolling friction Dynamic friction Limiting friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of displacement of a body is called Velocity Momentum None of these Acceleration Velocity Momentum None of these Acceleration 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 None of these tanα/tan (α + φ) tan(α + φ)/tanα tan(α - φ)/tanα None of these tanα/tan (α + φ) tan(α + φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
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