Engineering Mechanics The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of 0.8 r 0.7 r 0.6 r 0.5 r 0.8 r 0.7 r 0.6 r 0.5 r ANSWER DOWNLOAD EXAMIANS APP
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 bd³/36 db³/12 db³/36 bd³/12 bd³/36 db³/12 db³/36 bd³/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the body falls freely under gravity, then the gravitational acceleration is taken as +8.9 m/s2 -9.8 m/s2 +9.8 m/s2 -8.9 m/s2 +8.9 m/s2 -9.8 m/s2 +9.8 m/s2 -8.9 m/s2 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 In actual machines, mechanical advantage is _________ velocity ratio. None of these Equal to Greater than Less than None of these Equal to Greater than Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is (p² - q²)/4 (p² + q²)/4 [√(4p² - q²)]/6 (4p² - q²)/6 (p² - q²)/4 (p² + q²)/4 [√(4p² - q²)]/6 (4p² - q²)/6 ANSWER DOWNLOAD EXAMIANS APP
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