Theory of Machine Whitworth quick return mechanism is obtained by inversion of Roller cam mechanism Kinematic chain Slider crank mechanism Five link mechanism Roller cam mechanism Kinematic chain Slider crank mechanism Five link mechanism 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/cos β μ₁ = μ cos β μ₁ = μ sin β μ₁ = μ/sin β μ₁ = μ/cos β μ₁ = μ cos β μ₁ = μ sin β ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system) Greater than unity Less than unity Zero Equal to unity Greater than unity Less than unity Zero Equal to unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a lower pair? Both (A) and (B) above Ball and socket i Cam and follower Piston and cylinder Both (A) and (B) above Ball and socket i Cam and follower Piston and cylinder ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is 3 5 2 4 3 5 2 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If two moving elements have surface contact in motion, such pair is known as Higher pair Rolling pair Sliding pair Surface pair Higher pair Rolling pair Sliding pair Surface pair ANSWER DOWNLOAD EXAMIANS APP
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