Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) (r/2) cosφ r cosφ r tanφ r sinφ (r/2) cosφ r cosφ r tanφ r sinφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as Spur gearing Bevel gearing Spiral gearing Helical gearing Spur gearing Bevel gearing Spiral gearing Helical gearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by Flexible coupling Knuckle joint Universal joint Oldham's coupling Flexible coupling Knuckle joint Universal joint Oldham's coupling ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁ × ω₂) y (ω₁/ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y (ω₁ × ω₂) y (ω₁/ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine What is the number of instantaneous centers for an eight link mechanism? 28 30 8 15 28 30 8 15 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Shaft revolving in a bearing is the following type of pair Lower pair Cylindrical pair Higher pair Spherical pair Lower pair Cylindrical pair Higher pair Spherical pair ANSWER DOWNLOAD EXAMIANS APP