Theory of Machine In vibration isolation system, the transmissibility will be equal to unity, for all values of damping factor, if ω/ωn is Less than 2 Greater than 2 Equal to 1 Equal to 2 Less than 2 Greater than 2 Equal to 1 Equal to 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum fluctuation of energy is the Sum of the maximum and minimum energies Variations of energy above and below the mean resisting torque line Difference between the maximum and minimum energies Ratio of the mean resisting torque to the work-done per cycle Sum of the maximum and minimum energies Variations of energy above and below the mean resisting torque line Difference between the maximum and minimum energies Ratio of the mean resisting torque to the work-done per cycle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient. Equal to Directly proportional to Independent of Inversely proportional to Equal to Directly proportional to Independent of Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The train value of a gear train is Always greater than unity Equal to velocity ratio of a gear train Always less than unity Reciprocal of velocity ratio of a gear train Always greater than unity Equal to velocity ratio of a gear train Always less than unity Reciprocal of velocity ratio of a gear train ANSWER DOWNLOAD EXAMIANS APP
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) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W (r₁ + r₂) (1/2) μ W (r₁ + r₂) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W (r₁ + r₂) (1/2) μ W (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of a cross 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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