Engineering Mechanics An ideal machine is one whose efficiency is Between 60 and 70 % 1 Between 80 and 90% Between 70 and 80% Between 60 and 70 % 1 Between 80 and 90% Between 70 and 80% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is db³/12 bd³/12 db³/36 bd³/36 db³/12 bd³/12 db³/36 bd³/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be L/2 L/3 3L/4 2L/3 L/2 L/3 3L/4 2L/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be Maximum Minimum Infinity Zero Maximum Minimum Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 87.5 mm 50 mm 75 mm 125 mm 87.5 mm 50 mm 75 mm 125 mm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to determine the effects of a force, acting on a body, we must know All of these Nature of the force i.e. whether the force is push or pull Magnitude of the force Line of action of the force All of these Nature of the force i.e. whether the force is push or pull Magnitude of the force Line of action of the force ANSWER DOWNLOAD EXAMIANS APP