Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3π Hz 6 Hz 6π Hz 3 Hz 3π Hz 6 Hz 6π Hz 3 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set to Ensure uniform loading Reduce slip Ensure proper alignment Reduce vibration Ensure uniform loading Reduce slip Ensure proper alignment Reduce vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, if a spring of greater stiffness is used, then the governor will be More sensitive Less sensitive Unaffected of sensitivity Isochronous More sensitive Less sensitive Unaffected of sensitivity Isochronous ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The minimum force required to slide a body of weight W on a rough horizontal plane is W tanθ W sinθ W cosecθ W cosθ W tanθ W sinθ W cosecθ W cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a ball bearing, ball and bearing forms a Screw pair Spherical pair Rolling pair Turning pair Screw pair Spherical pair Rolling pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of an open belt drive. The length of the belt is π (r₁ - r₂) + (r₁ - r₂)²/x + 2x π (r₁ + r₂) + (r₁ - r₂)²/x + 2x π (r₁ - r₂) + (r₁ + r₂)²/x + 2x π (r₁ + r₂) + (r₁ + r₂)²/x + 2x π (r₁ - r₂) + (r₁ - r₂)²/x + 2x π (r₁ + r₂) + (r₁ - r₂)²/x + 2x π (r₁ - r₂) + (r₁ + r₂)²/x + 2x π (r₁ + r₂) + (r₁ + r₂)²/x + 2x ANSWER DOWNLOAD EXAMIANS APP