Theory of Machine The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where l₁ and l₂ = Distance of two masses from the centre of gravity of the body, and kG = Radius of gyration of the body) l₁l₂ = kG² l₁l₂ = kG l₂ = kG l₁ = kG l₁l₂ = kG² l₁l₂ = kG l₂ = kG l₁ = kG ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The approximate straight line mechanism is a Four bar linkage 3 bar linkage 8 bar linkage 6 bar linkage Four bar linkage 3 bar linkage 8 bar linkage 6 bar linkage ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration exists whenever a point moves along a path that has Rotational motion Gravitational acceleration Linear displacement Tangential acceleration Rotational motion Gravitational acceleration Linear displacement Tangential acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum or minimum value of the swaying couple is ± (a/√2) (1 - c) m.ω².r ± a (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ± c.m.ω².r ± (a/√2) (1 - c) m.ω².r ± a (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ± c.m.ω².r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from 30°-40° 10°-15° 25°-30° 15°-25° 30°-40° 10°-15° 25°-30° 15°-25° ANSWER DOWNLOAD EXAMIANS APP
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