Theory of Machine A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents Forced vibration without damping Free vibration without damping Forced vibration with damping Free vibration with damping Forced vibration without damping Free vibration without damping Forced vibration with damping Free vibration with damping ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A governor is said to be stable, if the Radius of rotation of balls increases as the equilibrium speed decreases Radius of rotation of balls increases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed decreases Radius of rotation of balls increases as the equilibrium speed decreases Radius of rotation of balls increases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by ω². (r₁ - r₂). (1 - sin² θ) ω². (r₁ r₂). (1 - cos² θ) ω². (r₁ + r₂). (1 + cos² θ) ω². (r₁ + r₂). [(2 - cos² θ)/cos³ θ] ω². (r₁ - r₂). (1 - sin² θ) ω². (r₁ r₂). (1 - cos² θ) ω². (r₁ + r₂). (1 + cos² θ) ω². (r₁ + r₂). [(2 - cos² θ)/cos³ θ] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The height of a Watt's governor (in meters) is equal to (where N = Speed of the arm and ball about the spindle axis) 89.5/N² 8.95/N² 895/N² 8950/N² 89.5/N² 8.95/N² 895/N² 8950/N² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine To connect two parallel and coplanar shafts the following type of gearing is used Spiral gear Bevel gear None of the listed here Spur gear Spiral gear Bevel gear None of the listed here Spur gear ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced force due to reciprocating masses Varies in magnitude and direction both Varies in direction but constant in magnitude Constant in magnitude and direction both Varies in magnitude but constant in direction Varies in magnitude and direction both Varies in direction but constant in magnitude Constant in magnitude and direction both Varies in magnitude but constant in direction ANSWER DOWNLOAD EXAMIANS APP
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