Theory of Machine The example of rolling pair is Bolt and nut Ball and socket joint Lead screw of a lathe Ball bearing and roller bearing Bolt and nut Ball and socket joint Lead screw of a lathe Ball bearing and roller bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The minimum force required to slide a body of weight W on a rough horizontal plane is W tanθ W sinθ W cosθ W cosecθ W tanθ W sinθ W cosθ W cosecθ 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 It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by Flexible coupling Universal joint Oldham's coupling Knuckle joint Flexible coupling Universal joint Oldham's coupling Knuckle joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Kinematically sound Soundness would depend upon which link is kept fixed Not sound Data is not sufficient to determine same Kinematically sound Soundness would depend upon which link is kept fixed Not sound Data is not sufficient to determine same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of the reciprocating roller follower, when it has contact with the straight flanks of the tangent cam, is given by (where r₁ = Minimum radius of the cam, r₂ = Radius of the roller follower, and θ = Angle turned by the cam from the beginning of the follower displacement) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) (1 - cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) (1 - cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) ANSWER DOWNLOAD EXAMIANS APP
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