Theory of Machine The acceleration of a particle at any instant has two components i.e. radial component and tangential component. These two components will be Inclined at 45° Parallel to each other Opposite to each other Perpendicular to each other Inclined at 45° Parallel to each other Opposite to each other Perpendicular to each other 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 is _________ when the crank OC and connecting rod PC are at right angles to each other. Zero Any -ve value Any +ve value Infinity Zero Any -ve value Any +ve value Infinity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A reed type tachometer use the principle of Damped free vibration Longitudinal vibration Transverse vibration Torsional vibration Damped free vibration Longitudinal vibration Transverse vibration Torsional vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position) ω² √(x² - r²) ω² √(r² - x²) ω √(x² - r²) ω √(r² - x²) ω² √(x² - r²) ω² √(r² - x²) ω √(x² - r²) ω √(r² - x²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be 0, 0 0, and less than coV cor, 0 0, and more than co2r 0, 0 0, and less than coV cor, 0 0, and more than co2r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Instantaneous center of rotation of a link in a four bar mechanism lies on Can’t occur Left side pivot of this link A point obtained by intersection on extending adjoining links Right side pivot of this link Can’t occur Left side pivot of this link A point obtained by intersection on extending adjoining links Right side pivot of this link ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS