Engineering Mechanics A machine having an efficiency greater than 50%, is known as Non-reversible machine Reversible machine Neither reversible nor non-reversible machine Ideal machine Non-reversible machine Reversible machine Neither reversible nor non-reversible machine Ideal machine 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 Iω Iω2 Iω 0.5 Iω2 0.5 Iω Iω2 Iω 0.5 Iω2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A particle inside a hollow sphere of radius r, having coefficient of friction µ can rest up to height of 0.134 r r/A r/3 r/2 0.134 r r/A r/3 r/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Concurrent forces are those forces whose lines of action Meet on the same plane Meet at one point None of these Lie on the same line Meet on the same plane Meet at one point None of these Lie on the same line 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/ 6 ml2/8 ml2/12 ml2/4 ml2/ 6 ml2/8 ml2/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to h × kG kG2/h h2/kG h/kG h × kG kG2/h h2/kG h/kG ANSWER DOWNLOAD EXAMIANS APP
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