Engineering Mechanics For a self locking machine, the efficiency must be Less than 50% 1 Greater than 50% Equal to 50% Less than 50% 1 Greater than 50% Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity. Square root Directly None of these Inversely Square root Directly None of these Inversely ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A smooth cylinder lying on a __________ is in neutral equilibrium. Curved surface Convex surface Horizontal surface None of these Curved surface Convex surface Horizontal surface None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a particle moving with simple harmonic motion is __________ at the mean position. Zero Minimum None of these Maximum Zero Minimum None of these Maximum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point The algebraic sum of their moments about any point in their plane is zero Their lines of action are at equal distances Their algebraic sum is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point The algebraic sum of their moments about any point in their plane is zero Their lines of action are at equal distances Their algebraic sum is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of angular acceleration is N-m rad/s2 m/s m/s2 N-m rad/s2 m/s m/s2 ANSWER DOWNLOAD EXAMIANS APP