Theory of Machine In a ball bearing, ball and bearing forms a Screw pair Rolling pair Spherical pair Turning pair Screw pair Rolling pair Spherical pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
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 l₁ = kG l₂ = kG l₁l₂ = kG l₁l₂ = kG² l₁ = kG l₂ = kG l₁l₂ = kG 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 cotα = c/2b sinα = b/c tanα = c/2b cosα = c/b cotα = c/2b sinα = b/c ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 180° 360° 90° 0° 180° 360° 90° 0° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The motion between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as None of these Completely constrained motion Incompletely constrained motion Successfully constrained motion None of these Completely constrained motion Incompletely constrained motion Successfully constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an inversion of a double slider crank chain? All of these Scotch yoke mechanism Elliptical trammel Oldham's coupling All of these Scotch yoke mechanism Elliptical trammel Oldham's coupling ANSWER DOWNLOAD EXAMIANS APP