Theory of Machine If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal to l - 2 l + 1 l l - 1 l - 2 l + 1 l l - 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke. 2θ 4θ θ/2 θ 2θ 4θ θ/2 θ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) (r/2) cosφ r cosφ r sinφ r tanφ (r/2) cosφ r cosφ r sinφ r tanφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The size of cam depends upon Prime circle Pitch circle Base circle Pitch curve Prime circle Pitch circle Base circle Pitch curve ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an isochronous Hartnell governor (where r₁ and r₂ = Maximum and minimum radius of rotation of balls respectively, S₁ and S₂ = Maximum and minimum force exerted on the sleeve respectively, and M = Mass on the sleeve) S₂/S₁ = r₁/r₂ (m.g + S₁)/(m.g + S₂) = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ S₁/S₂ = r₁/r₂ S₂/S₁ = r₁/r₂ (m.g + S₁)/(m.g + S₂) = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ S₁/S₂ = r₁/r₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of energy to the work-done per cycle is called Coefficient of fluctuation of energy Fluctuation of energy Maximum fluctuation of energy None of these Coefficient of fluctuation of energy Fluctuation of energy Maximum fluctuation of energy None of these ANSWER DOWNLOAD EXAMIANS APP