Engineering Mechanics Centre of gravity of a solid cone lies on the axis at the height Three eighth of the total height above the base One-half of the total height above base One fourth of the total height above base One third of the total height above base Three eighth of the total height above the base One-half of the total height above base One fourth of the total height above base One third of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a body on reaching the ground from a height h, is 2g.√h √(2gh) √(gh) 2.√(gh) 2g.√h √(2gh) √(gh) 2.√(gh) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass moment of inertia 'I' (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is 0.5 Iω2 Iω 0.5 Iω Iω2 0.5 Iω2 Iω 0.5 Iω Iω2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin rod of mass 'm' and length 'l', about an axis through its centre of gravity and perpendicular to its length is ml2/4 ml2/12 ml2/8 ml2/ 6 ml2/4 ml2/12 ml2/8 ml2/ 6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is D - d D + d D × d D / d D - d D + d D × d D / d ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point and their lines of action also lie on the same plane, are known as Coplanar concurrent forces Coplanar non-concurrent forces Non-coplanar non-concurrent forces Non-coplanar concurrent forces Coplanar concurrent forces Coplanar non-concurrent forces Non-coplanar non-concurrent forces Non-coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
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