Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) 2π. √(q/I) 1/2π (1/2π). √(q/I) 2π qI 2π. √(q/I) 1/2π (1/2π). √(q/I) 2π qI 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
Theory of Machine A spring controlled governor is said to be stable if the controlling force line when produced intersects the Y-axis Any one of these At the origin Above the origin Below the origin Any one of these At the origin Above the origin Below the origin ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as Swaying couple Hammer blow None of these Tractive force Swaying couple Hammer blow None of these Tractive force ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A. A triangle Two lines A triangle A point A straight line Two lines A triangle A point A straight line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the 0.5 1.5 1 2 0.5 1.5 1 2 ANSWER DOWNLOAD EXAMIANS APP
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