Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Robert’s mechanism Grasshopper mechanism Watt’s mechanism Peaucellier’s mechanism Robert’s mechanism Grasshopper mechanism Watt’s mechanism Peaucellier’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 180° 360° 90° 0° 180° 360° 90° 0° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A reed type tachometer use the principle of Transverse vibration Torsional vibration Damped free vibration Longitudinal vibration Transverse vibration Torsional vibration Damped free vibration Longitudinal vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose) ω² × OQ cosθ ω² × OQ tanθ ω² × OQ sinθ ω² × OQ ω² × OQ cosθ ω² × OQ tanθ ω² × OQ sinθ ω² × OQ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A ball and a socket forms a Screw pair Spherical pair Turning pair Rolling pair Screw pair Spherical pair Turning pair Rolling pair 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 × QN ω² × CN ω² × CO ω² × NO ω² × QN ω² × CN ω² × CO ANSWER DOWNLOAD EXAMIANS APP
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