Theory of Machine Which of the following is an open pair? Journal bearing Cam and follower Ball and socket joint Lead screw and nut Journal bearing Cam and follower Ball and socket joint Lead screw and nut ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a slider moves on a fixed link having curved surface, their instantaneous centre lies At the centre of curvature At the centre of circle At the pin joint On their point of contact At the centre of curvature At the centre of circle At the pin joint On their point of contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain requires at least 5 links and 4 turning pairs 3 links and 4 turning pairs 4 links and 4 turning pairs 2 links and 3 turning pairs 5 links and 4 turning pairs 3 links and 4 turning pairs 4 links and 4 turning pairs 2 links and 3 turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W tan(φ - α) P = W tan(α + φ) P = W cos(α + φ) P = W tan(α - φ) P = W tan(φ - α) P = W tan(α + φ) P = W cos(α + φ) P = W tan(α - φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have Elements of pairs not held together mechanically Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the 0.5 1.5 1 2 0.5 1.5 1 2 ANSWER DOWNLOAD EXAMIANS APP