Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁ and r₂ = External and internal radii of collar respectively) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W (r₁ + r₂) (1/2) μ W (r₁ + r₂) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W (r₁ + r₂) (1/2) μ W (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism consisting of three turning pairs and one sliding pair, is called a All of these Single slider crank chain Crank and slotted lever quick return motion mechanism Whitworth quick return motion mechanism All of these Single slider crank chain Crank and slotted lever quick return motion mechanism Whitworth quick return motion mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Efficiency of a screw jack is given by tan (α - φ)/tanα tanα/tan (α - φ) tanα/tan (α +φ) tan (α + φ)/tanα tan (α - φ)/tanα tanα/tan (α - φ) tanα/tan (α +φ) tan (α + φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The approximate straight line mechanism is a 6 bar linkage Four bar linkage 3 bar linkage 8 bar linkage 6 bar linkage Four bar linkage 3 bar linkage 8 bar linkage ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship. Vertically and parallel Horizontally and parallel Horizontally and perpendicular Vertically and perpendicular Vertically and parallel Horizontally and parallel Horizontally and perpendicular Vertically and perpendicular ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous center of a rigid thin disc rolling on a plane rigid surface is located at An infinite distance on the plane surface The point on the circumference situated vertically opposite to the contact point The point of contact The center of the disc An infinite distance on the plane surface The point on the circumference situated vertically opposite to the contact point The point of contact The center of the disc ANSWER DOWNLOAD EXAMIANS APP
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