Theory of Machine The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position) ω √(r² - x²) ω² √(r² - x²) ω² √(x² - r²) ω √(x² - r²) ω √(r² - x²) ω² √(r² - x²) ω² √(x² - r²) ω √(x² - r²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The locus of a point on a thread unwound from a cylinder will be Cycloidal A circle Involute A straight line Cycloidal A circle Involute A straight line 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 sinφ r tanφ (r/2) cosφ r cosφ r sinφ r tanφ (r/2) cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be Unstable None of these Isochronous Stable Unstable None of these Isochronous Stable 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? All points of the disc have the same velocity The point on the disc making contact with the plane surface has zero acceleration The centre of the disc has zero acceleration The centre of the disc has centrifugal acceleration All points of the disc have the same velocity The point on the disc making contact with the plane surface has zero acceleration The centre of the disc has zero acceleration The centre of the disc has centrifugal acceleration 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 Spherical pair Screw pair Turning pair Sliding pair Spherical pair Screw pair Turning pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
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