Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a Lower pair Self-closed pair Force-closed pair Higher pair Lower pair Self-closed pair Force-closed pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The locus of a point on a thread unwound from a cylinder will be Cycloidal A circle A straight line Involute Cycloidal A circle A straight line Involute ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Carnot cycle is a semi-reversible cycle an irreversible cycle a quasi static cycle a reversible cycle a semi-reversible cycle an irreversible cycle a quasi static cycle a reversible cycle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Flexible coupling is used because It prevents shock transmission and eliminates stress reversals It is easy to engage and disengage It transmits shocks gradually It is easy to disassemble It prevents shock transmission and eliminates stress reversals It is easy to engage and disengage It transmits shocks gradually It is easy to disassemble ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sense of Coriolis component 2 ωv is same as that of the relative velocity vector v rotated at 90° in the direction of rotation of the link containing the path 45° in the direction opposite to the rotation of the link containing the path 180° in the direction opposite to the rotation of the link containing the path 45° in the direction of rotation of the link containing the path 90° in the direction of rotation of the link containing the path 45° in the direction opposite to the rotation of the link containing the path 180° in the direction opposite to the rotation of the link containing the path 45° in the direction of rotation of the link containing the path ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ½μWR ²/₃ μWR μwr ¾μWR ½μWR ²/₃ μWR μwr ¾μWR ANSWER DOWNLOAD EXAMIANS APP