Theory of Machine If there are L number of links in a mechanism, then number of possible inversions is equal to L + 2 L - 1 L L + 1 L + 2 L - 1 L L + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If two moving elements have surface contact in motion, such pair is known as Rolling pair Sliding pair Higher pair Surface pair Rolling pair Sliding pair Higher pair Surface pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 90° + φ α = 45° + φ/2 α = 90° - φ α = 45° - φ/2 α = 90° + φ α = 45° + φ/2 α = 90° - φ α = 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 0° and 90° 180° and 360° 0° and 180° 90° and 180° 0° and 90° 180° and 360° 0° and 180° 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Torsional vibrations are said to occur when the particles of a body moves Perpendicular to its axis In a circle about its axis None of these Parallel to its axis Perpendicular to its axis In a circle about its axis None of these Parallel to its axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When there is a reduction in amplitude over every cycle of vibration, then the body is said to have Under damped vibration Forced vibration Free vibration Damped vibration Under damped vibration Forced vibration Free vibration Damped vibration ANSWER DOWNLOAD EXAMIANS APP
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