Theory of Machine In a simple harmonic motion, the velocity vector with respect to displacement vector Is in phase Leads by 90° Lags by 90° Leads by 180° Is in phase Leads by 90° Lags by 90° Leads by 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the Prime circle Pitch curve Base circle Pitch circle Prime circle Pitch curve Base circle Pitch circle 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 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For dynamic balancing of a shaft None of these Both (A) and (B) The net dynamic force acting on the shaft is equal to zero The net couple due to the dynamic forces acting on the shaft is equal to zero None of these Both (A) and (B) The net dynamic force acting on the shaft is equal to zero The net couple due to the dynamic forces acting on the shaft is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power from the engine to the rear axle of an automobile is transmitted by means of Spur gears Worm and worm wheel Hooke's joint Bevel gears Spur gears Worm and worm wheel Hooke's joint Bevel gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to 90° and 180° 270° and 360° 135° and 315° 0° and 90° 90° and 180° 270° and 360° 135° and 315° 0° and 90° ANSWER DOWNLOAD EXAMIANS APP
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