Theory of Machine A pantograph is a mechanism with Lower pairs Higher pairs Rolling pairs Turning pairs Lower pairs Higher pairs Rolling pairs Turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two elements of a pair are said to form a _________ when they permit relative motion between them. Kinematic pair None of these Sliding pair Open pair Kinematic pair None of these Sliding pair Open pair 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 cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to secφ cosecφ cosφ sinφ secφ cosecφ cosφ sinφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. This may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to One lower pair and two additional links Two lower pairs and one additional link Any one of these Two lower pairs and two additional links One lower pair and two additional links Two lower pairs and one additional link Any one of these Two lower pairs and two additional links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Carnot cycle is a quasi static cycle a reversible cycle a semi-reversible cycle an irreversible cycle a quasi static cycle a reversible cycle a semi-reversible cycle an irreversible cycle ANSWER DOWNLOAD EXAMIANS APP