Theory of Machine Which gear is used for connecting two coplanar and intersecting shafts? Spur gear Bevel gear Helical gear None of these Spur gear Bevel gear Helical gear None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Grasshopper mechanism Robert’s mechanism Peaucellier’s mechanism Watt’s mechanism Grasshopper mechanism Robert’s mechanism Peaucellier’s mechanism Watt’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the particles of a body moves perpendicular to its axis, then the body is said to have None of these Longitudinal vibration Torsional vibration Transverse vibration None of these Longitudinal vibration Torsional vibration Transverse vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam follower generally used in aircraft engines is Roller follower Knife edge follower Spherical faced follower Flat faced follower Roller follower Knife edge follower Spherical faced follower Flat faced follower 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) (r₁ - r₂) (1 - cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) (r₁ - r₂) (1 - cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) [(1 - cosθ)/cosθ] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP