Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to cosecφ secφ cosφ sinφ cosecφ secφ cosφ sinφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Whitworth quick return mechanism Rotary engine Universal joint Elliptical trammels Whitworth quick return mechanism Rotary engine Universal joint Elliptical trammels ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively) None of these m₁ r₁ = m₂ r₂ m₁ m₂ = r₁ r₂ m₁ r₂ = m₂ r₁ None of these m₁ r₁ = m₂ r₂ m₁ m₂ = r₁ r₂ m₁ r₂ = m₂ r₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The arrangement is called bevel gearing, when two __________ are connected by gears. Non-intersecting and non-coplanar shafts Parallel and non-coplanar shafts Parallel and coplanar shafts Intersecting and coplanar shafts Non-intersecting and non-coplanar shafts Parallel and non-coplanar shafts Parallel and coplanar shafts Intersecting and coplanar shafts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary 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 A circle passing through the pitch point with its center at the center of cam axis is known as Pitch circle Outer circle Base circle Prime circle Pitch circle Outer circle Base circle Prime circle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS