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 ω (r₁ r₂) cosθ ω (r₁ + r₂) sinθ sec2θ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ r₂) sinθ ω (r₁ r₂) cosθ ω (r₁ + r₂) sinθ sec2θ ω (r₁ + r₂) cosθ cosec2θ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a Inversion Kinematic chain Mechanism Structure Inversion Kinematic chain Mechanism Structure ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The type of gears used to connect two non parallel and non intersecting shafts is Spiral gear Bevel gear Helical gear Spur gear Spiral gear Bevel gear Helical gear Spur gear ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to Have perfect balancing To start the locomotive quickly Minimize the effect of primary forces Minimize the effect of secondary forces Have perfect balancing To start the locomotive quickly Minimize the effect of primary forces Minimize the effect of secondary forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a shaper mechanism, the Coriolis component of acceleration will Exist None of these Not exist Depend on position of crank Exist None of these Not exist Depend on position of crank ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line At 45° to line as per (A) Joining the corresponding points Not possible to determine with these data Perpendicular to line as per (A) At 45° to line as per (A) Joining the corresponding points Not possible to determine with these data Perpendicular to line as per (A) ANSWER DOWNLOAD EXAMIANS APP
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