Theory of Machine The relation between number of links (l) and number of joints (j) in a kinematic chain is l = j + 4 l = (3/4).(j + 3) l = (1/2).(j + 2) l = (2/3).(j + 2) l = j + 4 l = (3/4).(j + 3) l = (1/2).(j + 2) l = (2/3).(j + 2) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine To obviate axial thrust, following gear drive is used Double helical gears having opposite teeth Mutter gears Double helical gears having identical teeth Single helical gear in which one of the teeth of helix angle a is more Double helical gears having opposite teeth Mutter gears Double helical gears having identical teeth Single helical gear in which one of the teeth of helix angle a is more ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mechanism is an assemblage of Four or more than four links All of these Three links Two links Four or more than four links All of these Three links Two links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. None of these Surface contact Body contact Line or point contact None of these Surface contact Body contact Line or point contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The train value of a gear train is Always less than unity Always greater than unity Reciprocal of velocity ratio of a gear train Equal to velocity ratio of a gear train Always less than unity Always greater than unity Reciprocal of velocity ratio of a gear train Equal to velocity ratio of a gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base) cosφ - sinα = c/b sinφ + sinα = b/c tanφ + cotα = b/c cotφ - cotα = c/b cosφ - sinα = c/b sinφ + sinα = b/c tanφ + cotα = b/c cotφ - cotα = c/b ANSWER DOWNLOAD EXAMIANS APP