Theory of Machine The lower pair is a Closed pair Sliding pair Open pair Point contact pair Closed pair Sliding pair Open pair Point contact pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) P = W cos(α + φ) P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For a kinematic chain to be considered as mechanism One link should be fixed There is no such criterion None of the links should be fixed Two links should be fixed One link should be fixed There is no such criterion None of the links should be fixed Two links should be fixed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In automobiles the power is transmitted from gear box to differential through Hooke's joint Knuckle joint Universal joint Bevel gear Hooke's joint Knuckle joint Universal joint Bevel gear ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component is encountered in Quick return mechanism of shaper Both (A) and (C) above Four bar chain mechanism Slider crank mechanism Quick return mechanism of shaper Both (A) and (C) above Four bar chain mechanism Slider crank mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r cosφ r sinφ (r/2) cosφ r tanφ r cosφ r sinφ (r/2) cosφ r tanφ ANSWER DOWNLOAD EXAMIANS APP
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