Theory of Machine In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is 180° 270° 90° 0° 180° 270° 90° 0° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to give the primary balance of the reciprocating parts of a multi-cylinder inline engines The algebraic sum of the couples about any point in the plane of the primary forces must be equal to zero The algebraic sum of the primary forces must be equal to zero Both (A) and (B) None of these The algebraic sum of the couples about any point in the plane of the primary forces must be equal to zero The algebraic sum of the primary forces must be equal to zero Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced primary forces in a reciprocating engine are Balanced by secondary forces Balanced partially Balanced completely Not balanced Balanced by secondary forces Balanced partially Balanced completely Not balanced ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If two moving elements have surface contact in motion, such pair is known as Rolling pair Sliding pair Surface pair Higher pair Rolling pair Sliding pair Surface pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Shaft revolving in a bearing is the following type of pair Higher pair Lower pair Spherical pair Cylindrical pair Higher pair Lower pair Spherical pair Cylindrical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an isochronous Hartnell governor (where r₁ and r₂ = Maximum and minimum radius of rotation of balls respectively, S₁ and S₂ = Maximum and minimum force exerted on the sleeve respectively, and M = Mass on the sleeve) (m.g + S₁)/(m.g + S₂) = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ S₁/S₂ = r₁/r₂ S₂/S₁ = r₁/r₂ (m.g + S₁)/(m.g + S₂) = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ S₁/S₂ = r₁/r₂ S₂/S₁ = r₁/r₂ ANSWER DOWNLOAD EXAMIANS APP