Theory of Machine The Grubler's criterion for determining the degrees of freedom (n) of a mechanism having plane motion is (where l = Number of links, and j = Number of binary joints) n = 3(l - 1) - 2j n = 2(l - 1) - 2j n = (l -1) - j n = 4(l - 1) - 3j n = 3(l - 1) - 2j n = 2(l - 1) - 2j n = (l -1) - j n = 4(l - 1) - 3j ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft) ω (r₁ + r₂) sinθ sec2θ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ r₂) cosθ ω (r₁ r₂) sinθ ω (r₁ + r₂) sinθ sec2θ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ r₂) cosθ ω (r₁ r₂) sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is obtained from lower pair? All of these Pantograph Gyroscope Valve and valve gears All of these Pantograph Gyroscope Valve and valve gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is 270° 0° 90° 180° 270° 0° 90° 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of energy to the work-done per cycle is called Fluctuation of energy None of these Coefficient of fluctuation of energy Maximum fluctuation of energy Fluctuation of energy None of these Coefficient of fluctuation of energy Maximum fluctuation of energy ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a disc clutch, if there are n₁ number of discs on the driving shaft and n₂ number of discs on the driven shaft, then the number of pairs of contact surfaces will be n₁ + n₂ - 1 n₁ + n₂ + 1 n₁ + n₂ n₁ + n₂ - 2 n₁ + n₂ - 1 n₁ + n₂ + 1 n₁ + n₂ n₁ + n₂ - 2 ANSWER DOWNLOAD EXAMIANS APP