Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6 Hz 3π Hz 6π Hz 3 Hz 6 Hz 3π Hz 6π Hz 3 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) ω/2π 2π/ω ω × 2π π/ω ω/2π 2π/ω ω × 2π π/ω ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard? All points of the disc have the same velocity The centre of the disc has zero acceleration The centre of the disc has centrifugal acceleration The point on the disc making contact with the plane surface has zero acceleration All points of the disc have the same velocity The centre of the disc has zero acceleration The centre of the disc has centrifugal acceleration The point on the disc making contact with the plane surface has zero acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is useful to find Displacement of various parts Acceleration of various parts Angular acceleration of various parts Velocity of various parts Displacement of various parts Acceleration of various parts Angular acceleration of various parts Velocity of various parts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to the line of stroke, is known as Hammer blow Swaying couple None of these Tractive force Hammer blow Swaying couple None of these Tractive force ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank) ωr [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
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