Theory of Machine What is the number of instantaneous centers for an eight link mechanism? 30 28 15 8 30 28 15 8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of sliding of meshing gear teeth is(Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁ + ω₂)/y (ω₁ + ω₂) y (ω₁ × ω₂) y (ω₁/ω₂) y (ω₁ + ω₂)/y (ω₁ + ω₂) y (ω₁ × ω₂) y (ω₁/ω₂) y ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r² + R²) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r + R) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard? All points of the disc have the same velocity The centre of the disc has zero acceleration The centre of the disc has centrifugal acceleration The point on the disc making contact with the plane surface has zero acceleration All points of the disc have the same velocity The centre of the disc has zero acceleration The centre of the disc has centrifugal acceleration The point on the disc making contact with the plane surface has zero acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The gear train usually employed in clocks is a Sun and planet gear Differential gear Simple gear train Reverted gear train Sun and planet gear Differential gear Simple gear train Reverted gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W cos(α + φ) P = W tan(φ - α) P = W tan(α + φ) P = W tan(α - φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α + φ) P = W tan(α - φ) ANSWER DOWNLOAD EXAMIANS APP