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 = 4(l - 1) - 3j n = (l -1) - j n = 2(l - 1) - 2j n = 3(l - 1) - 2j n = 4(l - 1) - 3j n = (l -1) - j n = 2(l - 1) - 2j n = 3(l - 1) - 2j ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating engine, usually __________ of the reciprocating masses are balanced. Whole One-half Two-third Three-fourth Whole One-half Two-third Three-fourth ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side. Backward Upward Downward Forward Backward Upward Downward Forward ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base) cotφ - cotα = c/b cosφ - sinα = c/b tanφ + cotα = b/c sinφ + sinα = b/c cotφ - cotα = c/b cosφ - sinα = c/b tanφ + cotα = b/c sinφ + sinα = b/c ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the Tension in the tight side of the belt Tension in the slack side of the belt Sum of the tensions on the tight side and slack side of the belt Average tension of the tight side and slack side of the belt Tension in the tight side of the belt Tension in the slack side of the belt Sum of the tensions on the tight side and slack side of the belt Average tension of the tight side and slack side of the belt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents Free vibration with damping Free vibration without damping Forced vibration with damping Forced vibration without damping Free vibration with damping Free vibration without damping Forced vibration with damping Forced vibration without damping ANSWER DOWNLOAD EXAMIANS APP