Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W (r₁ + r₂) (2/3). μ W (r₁ + r₂) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W (r₁ + r₂) (2/3). μ W (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an inversion of a double slider crank chain? Oldham's coupling Elliptical trammel Scotch yoke mechanism All of these Oldham's coupling Elliptical trammel Scotch yoke mechanism All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as Rolling pair Spherical pair Sliding pair Turning pair Rolling pair Spherical pair Sliding pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be Slightly less than 45 mm 95 mm Slightly more than 45 mm 45 mm Slightly less than 45 mm 95 mm Slightly more than 45 mm 45 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a higher pair? Screw pair Turning pair Belt and pulley Sliding pair Screw pair Turning pair Belt and pulley Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radial distance from the top of a tooth to the bottom of a tooth in a meshing gear, is called Clearance Dedendum Working depth Addendum Clearance Dedendum Working depth Addendum ANSWER DOWNLOAD EXAMIANS APP