Theory of Machine The method of direct and reverse cranks is used in engines for Kinematic analysis Vibration analysis The control of speed fluctuations Balancing of forces and couples Kinematic analysis Vibration analysis The control of speed fluctuations Balancing of forces and couples 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 Coriolis component Tangential component None of these Radial component Coriolis component Tangential component None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other. Any +ve value Any -ve value Zero Infinity Any +ve value Any -ve value Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents Forced vibration without damping Forced vibration with damping Free vibration with damping Free vibration without damping Forced vibration without damping Forced vibration with damping Free vibration with damping Free vibration without damping ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring) (S₁ - S₂) / 2h (S₁ + S₂) / h (S₁ + S₂) / 2h (S₁ - S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / h (S₁ + S₂) / 2h (S₁ - S₂) / h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by 2E²CS EC S/2 2ECS² 2ECS 2E²CS EC S/2 2ECS² 2ECS ANSWER DOWNLOAD EXAMIANS APP
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