Theory of Machine Which of the below are inversions of slider crank mechanism?1. Oscillating cylinder engine mechanism2. Toggle mechanism3. Radial cylinder engine mechanism4. Quick return mechanism 1, 2 and 4 1, 2 and 3 2, 3 and 4 1, 3 and 4 1, 2 and 4 1, 2 and 3 2, 3 and 4 1, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is 1 3 4 2 1 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is 90° 0° 270° 180° 90° 0° 270° 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In railway axle boxes, the bearing used is Double row self aligning ball bearing Deep groove ball bearing Cylindrical roller bearing Double row spherical roller bearing Double row self aligning ball bearing Deep groove ball bearing Cylindrical roller bearing Double row spherical roller bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An automobile steering gear is an example of Sliding pair Lower pair Higher pair Rolling pair Sliding pair Lower pair Higher pair Rolling pair ANSWER DOWNLOAD EXAMIANS APP
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