Theory of Machine Which of the following is a higher pair? Turning pair Screw pair Belt and pulley Sliding pair Turning pair Screw pair Belt and pulley Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure, is (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα (r₁ + r₂) (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα (r₁ + r₂) (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) I ω ωP (1/2).Iω² Iω² (1/2). I ω ωP I ω ωP (1/2).Iω² Iω² (1/2). I ω ωP ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of speed to the mean speed is called Maximum fluctuation of speed Coefficient of fluctuation of speed None of these Fluctuation of speed Maximum fluctuation of speed Coefficient of fluctuation of speed None of these Fluctuation of speed 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/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 μ₁ = μ cos β ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four bar chain or quadric cycle chain Two are turning pairs and two are sliding pairs One is a turning pair and three are sliding pairs Three are turning pairs and one is a sliding pair Each of the four pairs is a turning pair Two are turning pairs and two are sliding pairs One is a turning pair and three are sliding pairs Three are turning pairs and one is a sliding pair Each of the four pairs is a turning pair ANSWER DOWNLOAD EXAMIANS APP
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