Theory of Machine In a flat collar pivot bearing, the moment due to friction is proportional to (r₁² - r₂²)/(r₁ + r₂) (r₁² - r₂²)/(r₁ - r₂) (r₁³ - r₂³)/(r₁ - r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁² - r₂²)/(r₁ + r₂) (r₁² - r₂²)/(r₁ - r₂) (r₁³ - r₂³)/(r₁ - r₂) (r₁³ - r₂³)/(r₁² - r₂²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given by μ₁ = μ/cos β μ₁ = μ sin β μ₁ = μ/sin β μ₁ = μ cos β μ₁ = μ/cos β μ₁ = μ sin β μ₁ = μ/sin β μ₁ = μ cos β ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam and follower is an example of Sliding pair Rolling pair Higher pair Lower pair Sliding pair Rolling pair Higher pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The flank of the tooth is the surface of the tooth __________ the pitch surface. Above None of these At Below Above None of these At Below ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine V-belts are usually used for Long drives Long and short drives None of these Short drives Long drives Long and short drives None of these Short drives ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) (1/2π). √(q/I) 2π qI 1/2π 2π. √(q/I) (1/2π). √(q/I) 2π qI 1/2π 2π. √(q/I) ANSWER DOWNLOAD EXAMIANS APP
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