Theory of Machine The lower pairs are _________ pairs. Force-closed Self-closed None of these Friction closed Force-closed Self-closed None of these Friction closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The axis of precession is __________ to the plane in which the axis of spin is going to rotate. Parallel Both A and B None of these Perpendicular Parallel Both A and B None of these Perpendicular ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the Magnitude of the forces on journal Radius of journal Clearance between journal and bearing Angular velocity of journal Magnitude of the forces on journal Radius of journal Clearance between journal and bearing Angular velocity of journal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The arrangement is called bevel gearing, when two __________ are connected by gears. Parallel and non-coplanar shafts Non-intersecting and non-coplanar shafts Parallel and coplanar shafts Intersecting and coplanar shafts Parallel and non-coplanar shafts Non-intersecting and non-coplanar shafts Parallel and coplanar shafts Intersecting and coplanar shafts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Relationship between the number of links (L) and number of pairs (P) is P = 2L + 2 P = 2L - 4 P = 2L + 4 P = 2L - 2 P = 2L + 2 P = 2L - 4 P = 2L + 4 P = 2L - 2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS