Theory of Machine Which of the following mechanisms produces mathematically an exact straight line motion? Tchebicheff mechanism Peaucellier's mechanism Grasshopper mechanism Watt mechanism Tchebicheff mechanism Peaucellier's mechanism Grasshopper mechanism Watt mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) ω × 2π π/ω 2π/ω ω/2π ω × 2π π/ω 2π/ω ω/2π 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, if N coincides with O, then Acceleration of the piston P is maximum and its velocity is zero Acceleration and velocity of the piston P is maximum Acceleration and velocity of the piston P is zero Acceleration of the piston P is zero and its velocity is maximum Acceleration of the piston P is maximum and its velocity is zero Acceleration and velocity of the piston P is maximum Acceleration and velocity of the piston P is zero Acceleration of the piston P is zero and its velocity is maximum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam with a roller follower would constitute following type of pair Open pair Lower pair Close pair Higher pair Open pair Lower pair Close pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the axes of the first and last wheels are coaxial, then the train is known as Epicyclic gear train Simple train of wheels Reverted gear train Compound train of wheels Epicyclic gear train Simple train of wheels Reverted gear train Compound train of wheels ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A governor is said to be stable, if the Radius of rotation of balls increases as the equilibrium speed decreases Radius of rotation of balls increases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed decreases Radius of rotation of balls decreases as the equilibrium speed increases Radius of rotation of balls increases as the equilibrium speed decreases Radius of rotation of balls increases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed decreases Radius of rotation of balls decreases as the equilibrium speed increases ANSWER DOWNLOAD EXAMIANS APP
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