Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6 Hz 3 Hz 3π Hz 6π Hz 6 Hz 3 Hz 3π Hz 6π Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pitch point on a cam is Any point on pitch circle Any point on pitch curve The point on cam pitch curve having the minimum pressure angle The point on cam pitch curve having the maximum pressure angle Any point on pitch circle Any point on pitch curve The point on cam pitch curve having the minimum pressure angle The point on cam pitch curve having the maximum pressure angle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The component of the acceleration, parallel to the velocity of the particle, at the given instant is called Radial component None of these Coriolis component Tangential component Radial component None of these Coriolis component Tangential component ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke) (1 - c).m.ω².r (cosθ - sinθ) m.ω².r sinθ m.ω².r (cosθ - sinθ) m.ω².r cosθ (1 - c).m.ω².r (cosθ - sinθ) m.ω².r sinθ m.ω².r (cosθ - sinθ) m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A circular bar moving in a round hole is an example of Completely constrained motion Partially constrained motion Successfully constrained motion Incompletely constrained motion Completely constrained motion Partially constrained motion Successfully constrained motion Incompletely constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
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