Theory of Machine The critical speed of a shaft depends upon its Stiffness and eccentricity Mass and stiffness Mass Stiffness Stiffness and eccentricity Mass and stiffness Mass Stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose) ω² × OQ tanθ ω² × OQ ω² × OQ cosθ ω² × OQ sinθ ω² × OQ tanθ ω² × OQ ω² × OQ cosθ ω² × OQ sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring) 1/2π. √(g/δ) 2π. √(g/δ) 1/2π. √(δ/g) 2π. √(δ/g) 1/2π. √(g/δ) 2π. √(g/δ) 1/2π. √(δ/g) 2π. √(δ/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.8 0.6 0.2 0.4 0.8 0.6 0.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when a is +ve and b = 0 a is +ve and b is -ve a is +ve and b is also +ve a = 0 and b is +ve a is +ve and b = 0 a is +ve and b is -ve a is +ve and b is also +ve a = 0 and b is +ve ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The indicator using Watt mechanism is known as Richard indicator Thompson indicator Thomson indicator Simplex indicator Richard indicator Thompson indicator Thomson indicator Simplex indicator ANSWER DOWNLOAD EXAMIANS APP