Theory of Machine In a flat collar pivot bearing, the moment due to friction is proportional to (r₁² - r₂²)/(r₁ + r₂) (r₁³ - r₂³)/(r₁ - r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁² - r₂²)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) (r₁³ - r₂³)/(r₁ - r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁² - r₂²)/(r₁ - r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is l = 2p - 3 l = 2p - 2 l = 2p - 4 l = 2p - 5 l = 2p - 3 l = 2p - 2 l = 2p - 4 l = 2p - 5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Length of arc of contact is given by Arc of approach × Arc of recess Arc of approach / Arc of recess Arc of approach - Arc of recess Arc of approach + Arc of recess Arc of approach × Arc of recess Arc of approach / Arc of recess Arc of approach - Arc of recess Arc of approach + Arc of recess ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Rotary engine Universal joint Elliptical trammels Whitworth quick return mechanism Rotary engine Universal joint Elliptical trammels Whitworth quick return mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) 0.4985/√δ Any one of the listed here 1/2π × √(s/m) 1/2π × √(g/δ) 0.4985/√δ Any one of the listed here 1/2π × √(s/m) 1/2π × √(g/δ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The condition for correct steering of a Davis steering gear is (where α = Angle of inclination of the links to the vertical) tanα = c/2b cosα = c/b sinα = b/c cotα = c/2b tanα = c/2b cosα = c/b sinα = b/c cotα = c/2b ANSWER DOWNLOAD EXAMIANS APP
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