Theory of Machine Which of the following mechanism is obtained from lower pair? All of these Valve and valve gears Gyroscope Pantograph All of these Valve and valve gears Gyroscope Pantograph ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a flat collar pivot bearing, the moment due to friction is proportional to (r₁² - r₂²)/(r₁ - r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁³ - r₂³)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) (r₁² - r₂²)/(r₁ - r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁³ - r₂³)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links Could change or remain unaltered depending on which link is fixed Will remain same Will not occur Will change Could change or remain unaltered depending on which link is fixed Will remain same Will not occur Will change ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of spherical pair is Bolt and nut Ball and socket joint Lead screw of a lathe Ball bearing and roller bearing Bolt and nut Ball and socket joint Lead screw of a lathe Ball bearing and roller bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) ω × 2π ω/2π π/ω 2π/ω ω × 2π ω/2π π/ω 2π/ω ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whitworth quick return mechanism is obtained by inversion of Roller cam mechanism Five link mechanism Slider crank mechanism Kinematic chain Roller cam mechanism Five link mechanism Slider crank mechanism Kinematic chain ANSWER DOWNLOAD EXAMIANS APP