Theory of Machine A slider moves at a velocity v on a link revolving at ω rad/s. The coriolis component of acceleration is 2ωv² ω²v 2ωv ωv 2ωv² ω²v 2ωv ωv 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 √(r² - x²) ω² √(x² - r²) ω √(r² - x²) ω √(x² - r²) ω² √(r² - x²) ω² √(x² - r²) ω √(r² - x²) ω √(x² - r²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 90° 0° 180° 360° 90° 0° 180° 360° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a Sliding pair Turning pair Screw pair Spherical pair Sliding pair Turning pair Screw pair Spherical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will Oscillate with increasing time period Oscillate with decreasing amplitude Oscillate with constant amplitude Return to equilibrium position without oscillation Oscillate with increasing time period Oscillate with decreasing amplitude Oscillate with constant amplitude Return to equilibrium position without oscillation ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because The system is unbalanced Resonance is caused due to the heavy mass of the rotor The shafts are rotating at very high speeds Bearing centre line coincides with the axis The system is unbalanced Resonance is caused due to the heavy mass of the rotor The shafts are rotating at very high speeds Bearing centre line coincides with the axis ANSWER DOWNLOAD EXAMIANS APP
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