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 The system is unbalanced Bearing centre line coincides with the axis The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor The system is unbalanced Bearing centre line coincides with the axis The shafts are rotating at very high speeds ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam with a roller follower would constitute following type of pair Open pair Close pair Higher pair Lower pair Open pair Close pair Higher pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Carnot cycle is a reversible cycle a quasi static cycle a semi-reversible cycle an irreversible cycle a reversible cycle a quasi static cycle a semi-reversible cycle an irreversible cycle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain, is known as Inversion Machine Compound mechanism Structure Inversion Machine Compound mechanism Structure ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations. More than Same as None of these Less than More than Same as None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of an open belt drive. The length of the belt is π (r₁ - r₂) + (r₁ + r₂)²/x + 2x π (r₁ + r₂) + (r₁ + r₂)²/x + 2x π (r₁ + r₂) + (r₁ - r₂)²/x + 2x π (r₁ - r₂) + (r₁ - r₂)²/x + 2x π (r₁ - r₂) + (r₁ + r₂)²/x + 2x π (r₁ + r₂) + (r₁ + r₂)²/x + 2x π (r₁ + r₂) + (r₁ - r₂)²/x + 2x π (r₁ - r₂) + (r₁ - r₂)²/x + 2x ANSWER DOWNLOAD EXAMIANS APP
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