Theory of Machine The instantaneous center of a rigid thin disc rolling on a plane rigid surface is located at An infinite distance on the plane surface The center of the disc The point on the circumference situated vertically opposite to the contact point The point of contact An infinite distance on the plane surface The center of the disc The point on the circumference situated vertically opposite to the contact point The point of contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a Sliding pair Spherical pair Screw pair Turning pair Sliding pair Spherical pair Screw pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. Friction closed None of these Force-closed Self-closed Friction closed None of these Force-closed Self-closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration exists whenever a point moves along a path that has Linear displacement Tangential acceleration Rotational motion Gravitational acceleration Linear displacement Tangential acceleration Rotational motion Gravitational acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A) vBA /AB v²BA /AB vBA × AB v²BA vBA /AB v²BA /AB vBA × AB v²BA ANSWER DOWNLOAD EXAMIANS APP
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