Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in Transverse vibrations All of these Longitudinal vibrations Torsional vibrations Transverse vibrations All of these Longitudinal vibrations Torsional vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration acts Along the sliding surface Parallel to the sliding surface At 45° to the sliding surface Perpendicular to the sliding surface Along the sliding surface Parallel to the sliding surface At 45° to the sliding surface Perpendicular to the sliding surface ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct for involute gears? The pressure angle is constant throughout the teeth engagement. The interference is inherently absent. The variation in centre distance of shafts increases radial force. A convex flank is always in contact with concave flank. The pressure angle is constant throughout the teeth engagement. The interference is inherently absent. The variation in centre distance of shafts increases radial force. A convex flank is always in contact with concave flank. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is 95 mm Slightly less than 95 mm 45 mm Slightly more than 95 mm 95 mm Slightly less than 95 mm 45 mm Slightly more than 95 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration leads the sliding velocity by 45° 180° 135° 90° 45° 180° 135° 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other. Infinity Any +ve value Zero Any -ve value Infinity Any +ve value Zero Any -ve value ANSWER DOWNLOAD EXAMIANS APP
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