Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Leads by 180° Lags by 90° Are in phase Leads by 90° Leads by 180° Lags by 90° Are in phase Leads by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is an approximate straight line motion mechanism? Robert's mechanism Watt's mechanism Grasshopper mechanism All of these Robert's mechanism Watt's mechanism Grasshopper mechanism All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because 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 Resonance is caused due to the heavy mass of the rotor The system is unbalanced Bearing centre line coincides with the axis 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 Right side pivot of this link A point obtained by intersection on extending adjoining links Can’t occur Left side pivot of this link Right side pivot of this link A point obtained by intersection on extending adjoining links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an example of sliding pair? Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut Ball and a socket joint Shaft with collars at both ends fitted into a circular hole Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut Ball and a socket joint Shaft with collars at both ends fitted into a circular hole ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When one of the links of a kinematic chain is fixed, the chain is known as a Machine Structure Mechanism Inversion Machine Structure Mechanism Inversion ANSWER DOWNLOAD EXAMIANS APP
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