Theory of Machine When a slider moves on a fixed link having curved surface, their instantaneous centre lies At the centre of circle At the centre of curvature At the pin joint On their point of contact At the centre of circle At the centre of curvature At the pin joint On their point of contact 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 perpendicular Horizontally and parallel Vertically and parallel Horizontally and perpendicular Vertically and perpendicular Horizontally and parallel Vertically and parallel Horizontally and perpendicular ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Difficult to manufacture Wears rapidly Both (A) and (B) above Bulky Difficult to manufacture Wears rapidly Both (A) and (B) above Bulky 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 π/ω 2π/ω ω × 2π ω/2π π/ω 2π/ω ω × 2π ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hart mechanism has Four links Six links Eight links Twelve links Four links Six links Eight links Twelve links ANSWER DOWNLOAD EXAMIANS APP
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) (1/2) μ W (r₁ + r₂) (2/3) μ W (r₁ + r₂) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W (r₁ + r₂) (2/3) μ W (r₁ + r₂) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
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