Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Universal joint Rotary engine Elliptical trammels Whitworth quick return mechanism Universal joint Rotary engine Elliptical trammels Whitworth quick return mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration. Larger Smaller OR Larger None of the listed here Smaller Larger Smaller OR Larger None of the listed here Smaller 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 and velocity of the piston P is maximum Acceleration of the piston P is maximum and its velocity is zero Acceleration of the piston P is zero and its velocity is maximum Acceleration and velocity of the piston P is zero Acceleration and velocity of the piston P is maximum Acceleration of the piston P is maximum and its velocity is zero Acceleration of the piston P is zero and its velocity is maximum Acceleration and velocity of the piston P is zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is known as Critical damping ratio Damping factor Magnification factor Logarithmic decrement Critical damping ratio Damping factor Magnification factor Logarithmic decrement ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which type of gear train is used in clock mechanism to join hour hand and minute hand? Reverted gear train Compound gear train Simple gear train Epicyclic gear train Reverted gear train Compound gear train Simple gear train Epicyclic gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time of one oscillation for a simple pendulum is 2π. √(g/l) (1/2π). √(g/l) (1/2π). √(l/g) 2π. √(l/g) 2π. √(g/l) (1/2π). √(g/l) (1/2π). √(l/g) 2π. √(l/g) ANSWER DOWNLOAD EXAMIANS APP