Engineering Mechanics A machine having an efficiency less than 50%, is known as Non-reversible machine Reversible machine Ideal machine Neither reversible nor non-reversible machine Non-reversible machine Reversible machine Ideal machine Neither reversible nor non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 50 mm 87.5 mm 75 mm 125 mm 50 mm 87.5 mm 75 mm 125 mm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side a about its diagonal is a³/12 a⁴/12 a²/8 a⁴/16 a³/12 a⁴/12 a²/8 a⁴/16 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be r/2 3r/2 2r/3 r/A r/2 3r/2 2r/3 r/A ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is 2D/(D + d) 2D/(D - d) D/(D - d) D/(D + d) 2D/(D + d) 2D/(D - d) D/(D - d) D/(D + d) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when in motion, is known as Limiting friction Rolling friction Dynamic friction Static friction Limiting friction Rolling friction Dynamic friction Static friction ANSWER DOWNLOAD EXAMIANS APP