Theory of Machine The inversion of a mechanism is Changing of a higher pair to a lower pair Turning its upside down Obtained by reversing the input and output motion Obtained by fixing different links in a kinematic chain Changing of a higher pair to a lower pair Turning its upside down Obtained by reversing the input and output motion Obtained by fixing different links in a kinematic chain ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of a cross belt drive. The length of the belt is π (r₁ - r₂) + [(r₁ - r₂)²/x] + 2x π (r₁ - r₂) + [(r₁ + r₂)²/x] + 2x π (r₁ + r₂) + [(r₁ + r₂)²/x] + 2x π (r₁ + r₂) + [(r₁ - r₂)²/x] + 2x π (r₁ - r₂) + [(r₁ - r₂)²/x] + 2x π (r₁ - r₂) + [(r₁ + r₂)²/x] + 2x π (r₁ + r₂) + [(r₁ + r₂)²/x] + 2x π (r₁ + r₂) + [(r₁ - r₂)²/x] + 2x ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lead screw of a lathe with nut forms a Sliding pair Rolling pair Turning pair Screw pair Sliding pair Rolling pair Turning pair Screw pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The direction of linear velocity of any point on a link with respect to another point on the same link is At 45° to the link joining the points Parallel to the link joining the points None of the listed here Perpendicular to the link joining the points At 45° to the link joining the points Parallel to the link joining the points None of the listed here Perpendicular to the link joining the points ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Kutzbach criterion for determining the number of degrees of freedom (n) is (where l = number of links, j = number of joints and h = number of higher pairs) n = 2(l - 1) - 3j - h n = 2(l - 1) - 2j - h n = 3(l - 1) - 2j - h n = 3(l - 1) - 3j - h n = 2(l - 1) - 3j - h n = 2(l - 1) - 2j - h n = 3(l - 1) - 2j - h n = 3(l - 1) - 3j - h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time of one oscillation for a simple pendulum is (1/2π). √(g/l) 2π. √(l/g) (1/2π). √(l/g) 2π. √(g/l) (1/2π). √(g/l) 2π. √(l/g) (1/2π). √(l/g) 2π. √(g/l) ANSWER DOWNLOAD EXAMIANS APP