Theory of Machine In a Hartnell governor, if a spring of greater stiffness is used, then the governor will be Less sensitive More sensitive Isochronous Unaffected of sensitivity Less sensitive More sensitive Isochronous Unaffected of sensitivity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Elements of pairs held together mechanically is known as Mechanical pair Rolling pair Open pair Closed pair Mechanical pair Rolling pair Open pair Closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whitworth quick return mechanism is obtained by inversion of Kinematic chain Roller cam mechanism Slider crank mechanism Five link mechanism Kinematic chain Roller cam mechanism Slider crank mechanism Five link mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft) ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) cosθ ω (r₁ r₂) sinθ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) cosθ ω (r₁ r₂) sinθ ω (r₁ + r₂) cosθ cosec2θ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is used when Crank has nonuniform angular velocity Crank has uniform angular acceleration Crank has nonuniform angular acceleration Crank has uniform angular velocity Crank has nonuniform angular velocity Crank has uniform angular acceleration Crank has nonuniform angular acceleration Crank has uniform angular velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS