Theory of Machine The number of links and instantaneous centers in a reciprocating engine mechanism are 5, 4 4, 6 4, 4 4, 5 5, 4 4, 6 4, 4 4, 5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham's coupling is the Third inversion of slider crank chain Second inversion of double slider crank chain Third inversion of double slider crank chain Second inversion of single slider crank chain Third inversion of slider crank chain Second inversion of double slider crank chain Third inversion of double slider crank chain Second inversion of single slider crank chain ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The C.G. of a link in any mechanism would experience No acceleration Angular acceleration Linear acceleration Both angular and linear accelerations No acceleration Angular acceleration Linear acceleration Both angular and linear accelerations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced force due to reciprocating masses Constant in magnitude and direction both Varies in magnitude and direction both Varies in magnitude but constant in direction Varies in direction but constant in magnitude Constant in magnitude and direction both Varies in magnitude and direction both Varies in magnitude but constant in direction Varies in direction but constant in magnitude ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever) (r₁ - r₂) (y/x) (r₁ + r₂) (y/x) (r₁ + r₂) (x/y) (r₁ - r₂) (x/y) (r₁ - r₂) (y/x) (r₁ + r₂) (y/x) (r₁ + r₂) (x/y) (r₁ - r₂) (x/y) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For the same lift and same angle of ascent, a smaller base circle will give A large value of pressure angle A small value of pressure angle Something else There is no such relation with pressure angle A large value of pressure angle A small value of pressure angle Something else There is no such relation with pressure angle ANSWER DOWNLOAD EXAMIANS APP