Theory of Machine In under damped vibrating system, the amplitude of vibration Decreases exponentially with time Increases linearly with time Increases exponentially with time Decreases linearly with time Decreases exponentially with time Increases linearly with time Increases exponentially with time Decreases linearly with time ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time of one oscillation for a simple pendulum is 2π. √(l/g) 2π. √(g/l) (1/2π). √(l/g) (1/2π). √(g/l) 2π. √(l/g) 2π. √(g/l) (1/2π). √(l/g) (1/2π). √(g/l) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 0.5 2 0.25 1 0.5 2 0.25 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism in which two are turning pairs and two are sliding pairs, is called a Double slider crank chain Scotch yoke mechanism Elliptical trammel All of these Double slider crank chain Scotch yoke mechanism Elliptical trammel All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a flat collar pivot bearing, the moment due to friction is proportional to (r₁³ - r₂³)/(r₁² - r₂²) (r₁² - r₂²)/(r₁ - r₂) (r₁³ - r₂³)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁² - r₂²)/(r₁ - r₂) (r₁³ - r₂³)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A pulley and belt in a belt drive form a Cylindrical pair Sliding pair Rolling pair Turning pair Cylindrical pair Sliding pair Rolling pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
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