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) (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)] (1/2). μ W (r₁ + r₂) (2/3). μ W (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the Radius of journal Angular velocity of journal Clearance between journal and bearing Magnitude of the forces on journal Radius of journal Angular velocity of journal Clearance between journal and bearing Magnitude of the forces on journal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from 60°-70° 70°- 80° 50°- 60° 80°- 90° 60°-70° 70°- 80° 50°- 60° 80°- 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Elements of pairs held together mechanically is known as Mechanical pair Rolling pair Closed pair Open pair Mechanical pair Rolling pair Closed pair Open pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Peaucellier’s mechanism has Six links Eight links Twelve links Four links Six links Eight links Twelve links Four links 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 Working depth Clearance Addendum Dedendum Working depth Clearance Addendum Dedendum ANSWER DOWNLOAD EXAMIANS APP
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