Theory of Machine Peaucellier’s mechanism has Twelve links Six links Four links Eight links Twelve links Six links Four links Eight links 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° 0° and 180° 180° and 360° 90° and 180° 0° and 90° 0° and 180° 180° and 360° 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be Stable None of these Isochronous Unstable Stable None of these Isochronous Unstable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 0° 180° 90° 360° 0° 180° 90° 360° 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 = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing, and R = Radius of bearing surface) (2/3) μ W R (1/2) μ W R μ W R (3/4) μ W R (2/3) μ W R (1/2) μ W R μ W R (3/4) μ W R ANSWER DOWNLOAD EXAMIANS APP
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