Engineering Mechanics In order to completely specify angular displacement by a vector, it must fix Sense of angular displacement Direction of the axis of rotation Magnitude of angular displacement All of these Sense of angular displacement Direction of the axis of rotation Magnitude of angular displacement All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency greater than 50%, is known as Reversible machine Neither reversible nor non-reversible machine Ideal machine Non-reversible machine Reversible machine Neither reversible nor non-reversible machine Ideal machine 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 0.5 Iω2 Iω Iω2 0.5 Iω 0.5 Iω2 Iω Iω2 0.5 Iω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.) None of these MS/5 MS/4 MS/3 None of these MS/5 MS/4 MS/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is None of these Non-reversible Reversible Ideal None of these Non-reversible Reversible Ideal ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of doing work is known as Potential energy Kinetic energy None of these Power Potential energy Kinetic energy None of these Power ANSWER DOWNLOAD EXAMIANS APP