Theory of Machine In a pantograph, all the pairs are Spherical pairs Turning pairs Sliding pairs Self-closed pairs Spherical pairs Turning pairs Sliding pairs Self-closed pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is At 45° to PO Along PO Perpendicular to PO None of the listed here At 45° to PO Along PO Perpendicular to PO None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a simple harmonic motion, the velocity vector with respect to displacement vector Lags by 90° Leads by 90° Is in phase Leads by 180° Lags by 90° Leads by 90° Is in phase Leads by 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base) tanφ + cotα = b/c sinφ + sinα = b/c cotφ - cotα = c/b cosφ - sinα = c/b tanφ + cotα = b/c sinφ + sinα = b/c cotφ - cotα = c/b cosφ - sinα = c/b ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Have a line or point contact when in motion Are not held together mechanically Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Have a line or point contact when in motion Are not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following disciplines provides study of relative motion between the parts of a machine? Mechanisms Applied mechanics Theory of machines Kinematics Mechanisms Applied mechanics Theory of machines Kinematics ANSWER DOWNLOAD EXAMIANS APP