Theory of Machine In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set to Reduce slip Reduce vibration Ensure proper alignment Ensure uniform loading Reduce slip Reduce vibration Ensure proper alignment Ensure uniform loading ANSWER DOWNLOAD EXAMIANS APP
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 sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is 1 4 2 3 1 4 2 3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The total acceleration of B with respect to A will be equal to Vector difference of radial component and tangential component Vector sum of radial component and tangential component Vector sum of tangential component and Coriolis component Vector sum of radial component and Coriolis component Vector difference of radial component and tangential component Vector sum of radial component and tangential component Vector sum of tangential component and Coriolis component Vector sum of radial component and Coriolis component ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which type of gear train is used in clock mechanism to join hour hand and minute hand? Reverted gear train Epicyclic gear train Simple gear train Compound gear train Reverted gear train Epicyclic gear train Simple gear train Compound gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of an open belt drive. The length of the belt is π (r₁ - r₂) + (r₁ + r₂)²/x + 2x π (r₁ + r₂) + (r₁ + r₂)²/x + 2x π (r₁ - r₂) + (r₁ - r₂)²/x + 2x π (r₁ + r₂) + (r₁ - r₂)²/x + 2x π (r₁ - r₂) + (r₁ + r₂)²/x + 2x π (r₁ + r₂) + (r₁ + r₂)²/x + 2x π (r₁ - r₂) + (r₁ - r₂)²/x + 2x π (r₁ + r₂) + (r₁ - r₂)²/x + 2x ANSWER DOWNLOAD EXAMIANS APP
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