Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.4 0.6 0.8 0.2 0.4 0.6 0.8 0.2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be isochronous when the controlling force Increases as the radius of rotation increases Increases as the radius of rotation decreases Remain constant for all radii of rotation Decreases as the radius of rotation increases Increases as the radius of rotation increases Increases as the radius of rotation decreases Remain constant for all radii of rotation Decreases as the radius of rotation increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is due to the Partial balancing Two cylinders of locomotive Secondary unbalanced force Primary unbalanced force Partial balancing Two cylinders of locomotive Secondary unbalanced force Primary unbalanced force ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given by μ₁ = μ/cos β μ₁ = μ cos β μ₁ = μ/sin β μ₁ = μ sin β μ₁ = μ/cos β μ₁ = μ cos β μ₁ = μ/sin β μ₁ = μ sin β ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by ω². (r₁ + r₂). (1 + cos² θ) ω². (r₁ - r₂). (1 - sin² θ) ω². (r₁ + r₂). [(2 - cos² θ)/cos³ θ] ω². (r₁ r₂). (1 - cos² θ) ω². (r₁ + r₂). (1 + cos² θ) ω². (r₁ - r₂). (1 - sin² θ) ω². (r₁ + r₂). [(2 - cos² θ)/cos³ θ] ω². (r₁ r₂). (1 - cos² θ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal to l - 1 l - 2 l + 1 l l - 1 l - 2 l + 1 l ANSWER DOWNLOAD EXAMIANS APP
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