Engineering Mechanics A machine having an efficiency greater than 50%, is known as Reversible machine Non-reversible machine Ideal machine Neither reversible nor non-reversible machine Reversible machine Non-reversible machine Ideal machine Neither reversible nor non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of angular acceleration is m/s m/s2 N-m rad/s2 m/s m/s2 N-m rad/s2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by ω/r ω.r ω²/r ω².r ω/r ω.r ω²/r ω².r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to completely specify angular displacement by a vector, it must fix Magnitude of angular displacement Sense of angular displacement All of these Direction of the axis of rotation Magnitude of angular displacement Sense of angular displacement All of these Direction of the axis of rotation ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Equal to 50% Greater than 50% 1 Less than 50% Equal to 50% Greater than 50% 1 Less than 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a particle moving with simple harmonic motion, at any instant is given by ω3.y ω2/y ω2.y ω.y ω3.y ω2/y ω2.y ω.y ANSWER DOWNLOAD EXAMIANS APP