Engineering Mechanics The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is mr²/2 mr² 2mr²/3 2mr²/5 mr²/2 mr² 2mr²/3 2mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency greater than 50%, is known as Ideal machine Non-reversible machine Reversible machine Neither reversible nor non-reversible machine Ideal machine Non-reversible machine Reversible machine Neither reversible nor non-reversible 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 Iω2 0.5 Iω Iω 0.5 Iω2 Iω2 0.5 Iω Iω 0.5 Iω2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A framed structure is perfect, if the number of members are __________ (2j - 3), where j is the number of joints. None of these Greater than Less than Equal to None of these Greater than Less than Equal to 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 h2/kG h × kG kG2/h h/kG h2/kG h × kG kG2/h h/kG ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A smooth cylinder lying on its convex surface remains in __________ equilibrium. Unstable Neutral None of these Stable Unstable Neutral None of these Stable ANSWER DOWNLOAD EXAMIANS APP