Theory of Machine In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed Inertia governor Pickering governor Hartung governor Wilson Hartnell governor Inertia governor Pickering governor Hartung governor Wilson Hartnell governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft depends upon its Stiffness and eccentricity Mass Mass and stiffness Stiffness Stiffness and eccentricity Mass Mass and stiffness Stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard? The point on the disc making contact with the plane surface has zero acceleration The centre of the disc has centrifugal acceleration All points of the disc have the same velocity The centre of the disc has zero acceleration The point on the disc making contact with the plane surface has zero acceleration The centre of the disc has centrifugal acceleration All points of the disc have the same velocity The centre of the disc has zero acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r cosφ (r/2) cosφ r sinφ r tanφ r cosφ (r/2) cosφ r sinφ r tanφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a Turning pair Screw pair Spherical pair Sliding pair Turning pair Screw pair Spherical pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to balance the reciprocating masses, Both (A) and (B) Secondary forces and couples must be balanced Primary forces and couples must be balanced None of these Both (A) and (B) Secondary forces and couples must be balanced Primary forces and couples must be balanced None of these ANSWER DOWNLOAD EXAMIANS APP
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