Theory of Machine Which of the following mechanism is obtained from lower pair? Valve and valve gears All of these Gyroscope Pantograph Valve and valve gears All of these Gyroscope Pantograph ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO. The acceleration of the piston P with respect to the crank-pin C is given by ω² × NO ω² × CN ω² × QN ω² × CO ω² × NO ω² × CN ω² × QN ω² × CO ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the rubbing surface __________ with the distance from the axis of the bearing. Decreases Increases None of these Remain same Decreases Increases None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam follower generally used in aircraft engines is Knife edge follower Flat faced follower Spherical faced follower Roller follower Knife edge follower Flat faced follower Spherical faced follower Roller follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called Dedendum circle Pitch circle Clearance circle Addendum circle Dedendum circle Pitch circle Clearance circle Addendum circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ωR cosθ ω(R - r₁) sinθ ω(R - r₁) cosθ ωr₁ sinθ ωR cosθ ω(R - r₁) sinθ ω(R - r₁) cosθ ωr₁ sinθ ANSWER DOWNLOAD EXAMIANS APP