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 360° 90° 180° 0° 360° 90° 180° 0° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if cotθ = cosα tanθ = ± cosα sinθ = ± tanα cosθ = sinα cotθ = cosα tanθ = ± cosα sinθ = ± tanα cosθ = sinα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called Addendum circle Clearance circle Pitch circle Dedendum circle Addendum circle Clearance circle Pitch circle Dedendum circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to D₁.D₂ D₂/D₁ D₁/D₂ D₁ D₁.D₂ D₂/D₁ D₁/D₂ D₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis The system is unbalanced The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis The system is unbalanced The shafts are rotating at very high speeds ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A pulley and belt in a belt drive form a Sliding pair Turning pair Rolling pair Cylindrical pair Sliding pair Turning pair Rolling pair Cylindrical pair ANSWER DOWNLOAD EXAMIANS APP
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