Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (cos 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sensitiveness of the governor _____ as the speed range decreases. Increases None of the listed here Decreases Remains unaffected Increases None of the listed here Decreases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a spring controlled governor, when the controlling force ____ as the radius of rotation increases, it is said to be a stable governor. None of the listed here Increases Remains constant Decreases None of the listed here Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a disc clutch, if there are n₁ number of discs on the driving shaft and n₂ number of discs on the driven shaft, then the number of pairs of contact surfaces will be n₁ + n₂ n₁ + n₂ - 1 n₁ + n₂ + 1 n₁ + n₂ - 2 n₁ + n₂ n₁ + n₂ - 1 n₁ + n₂ + 1 n₁ + n₂ - 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 360° 0° 180° 90° 360° 0° 180° 90° ANSWER DOWNLOAD EXAMIANS APP
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