Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called None of these Fixed instantaneous centers Neither fixed nor permanent instantaneous centers Permanent instantaneous centers None of these Fixed instantaneous centers Neither fixed nor permanent instantaneous centers Permanent instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The direction of Coriolis component of acceleration is the direction Along tangential acceleration Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link Along the centripetal acceleration Along perpendicular to angular velocity Along tangential acceleration Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link Along the centripetal acceleration Along perpendicular to angular velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the link constitutes a Crank pin, crankshaft and flywheel Connecting rod with big and small end brasses, caps and bolts All of these Piston, piston rod and cross-head Crank pin, crankshaft and flywheel Connecting rod with big and small end brasses, caps and bolts All of these Piston, piston rod and cross-head 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 The system is unbalanced Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis The shafts are rotating at very high speeds The system is unbalanced Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The steering of a ship means None of these Rolling of a complete ship sideways Movement of a complete ship up and down in vertical plane about transverse axis Turning of a complete ship in a curve towards right or left, while it moves forward None of these Rolling of a complete ship sideways Movement of a complete ship up and down in vertical plane about transverse axis Turning of a complete ship in a curve towards right or left, while it moves forward ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Any one of these Moderate speed Slow speed Highs peed Any one of these Moderate speed Slow speed Highs peed ANSWER DOWNLOAD EXAMIANS APP
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