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 1 0.25 0.5 2 1 0.25 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 0° and 180° 90° and 180° 0° and 90° 180° and 360° 0° and 180° 90° and 180° 0° and 90° 180° and 360° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of the arc of approach)/cosφ (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanisms produces mathematically an exact straight line motion? Grasshopper mechanism Tchebicheff mechanism Watt mechanism Peaucellier's mechanism Grasshopper mechanism Tchebicheff mechanism Watt mechanism Peaucellier's mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a flat collar pivot bearing, the moment due to friction is proportional to (r₁³ - r₂³)/(r₁ - r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁² - r₂²)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) (r₁³ - r₂³)/(r₁ - r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁² - r₂²)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) 2π/ω ω/2π π/ω ω × 2π 2π/ω ω/2π π/ω ω × 2π ANSWER DOWNLOAD EXAMIANS APP
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