Theory of Machine The two elements of a pair are said to form a higher pair, when they Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Permit relative motion Have a line or point contact when in motion Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Permit relative motion Have a line or point contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a Self-closed pair Higher pair Lower pair Force-closed pair Self-closed pair Higher pair Lower pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pair is a Sliding pair Closed pair Point contact pair Open pair Sliding pair Closed pair Point contact pair Open pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the 0.5 1 2 1.5 0.5 1 2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The locus of a point on a thread unwound from a cylinder will be A circle Cycloidal Involute A straight line A circle Cycloidal Involute A straight line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Peaucellier’s mechanism has Four links Eight links Six links Twelve links Four links Eight links Six links Twelve links ANSWER DOWNLOAD EXAMIANS APP