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 Force-closed pair Higher pair Self-closed pair Lower pair Force-closed pair Higher pair Self-closed pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be 95 mm 45 mm Slightly more than 45 mm Slightly less than 45 mm 95 mm 45 mm Slightly more than 45 mm Slightly less than 45 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 6,000 r.p.m. 12,000 r.p.m. 9,360 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 12,000 r.p.m. 9,360 r.p.m. 5,367 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whitworth quick return mechanism is obtained by inversion of Five link mechanism Kinematic chain Roller cam mechanism Slider crank mechanism Five link mechanism Kinematic chain Roller cam mechanism Slider crank mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. Self-closed Friction closed None of these Force-closed Self-closed Friction closed None of these Force-closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The motion of a shaft in a circular hole is an example of Successfully constrained motion Completely constrained motion None of these Incompletely constrained motion Successfully constrained motion Completely constrained motion None of these Incompletely constrained motion ANSWER DOWNLOAD EXAMIANS APP
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