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 [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W (r₁ + r₂) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W (r₁ + r₂) (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W (r₁ + r₂) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sense of Coriolis component is such that it Is along the sliding velocity vector Leads the sliding velocity vector by 90° Leads the sliding velocity vector by 180° Lags the sliding velocity vector by 90° Is along the sliding velocity vector Leads the sliding velocity vector by 90° Leads the sliding velocity vector by 180° Lags the sliding velocity vector by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed Decreases Increases Remain unaffected First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The gear train usually employed in clocks is a Sun and planet gear Reverted gear train Differential gear Simple gear train Sun and planet gear Reverted gear train Differential gear Simple gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's method of construction for reciprocating engine mechanism Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine Is based on acceleration diagram Enables determination of Cariole’s component Is a simplified form of instantaneous center method Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine Is based on acceleration diagram Enables determination of Cariole’s component Is a simplified form of instantaneous center method ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct for involute gears? The interference is inherently absent. A convex flank is always in contact with concave flank. The pressure angle is constant throughout the teeth engagement. The variation in centre distance of shafts increases radial force. The interference is inherently absent. A convex flank is always in contact with concave flank. The pressure angle is constant throughout the teeth engagement. The variation in centre distance of shafts increases radial force. ANSWER DOWNLOAD EXAMIANS APP
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