Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n - 1 n n(n - 1)/2 n/2 n - 1 n n(n - 1)/2 n/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W tan(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W cos(α + φ) P = W tan(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When one of the links of a kinematic chain is fixed, the chain is known as a Inversion Machine Structure Mechanism Inversion Machine Structure Mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed Decreases Increases First increases and then decreases Remain unaffected Decreases Increases First increases and then decreases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring) (S₁ + S₂) / 2h (S₁ - S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / h (S₁ + S₂) / 2h (S₁ - S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Longitudinal vibrations are said to occur when the particles of a body moves Perpendicular to its axis None of these In a circle about its axis Parallel to its axis Perpendicular to its axis None of these In a circle about its axis Parallel to its axis ANSWER DOWNLOAD EXAMIANS APP