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 with damping Free vibration without damping Free vibration with damping Forced vibration without damping Forced vibration with damping Free vibration without damping Free vibration with damping Forced vibration without damping ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Under logarithmic decrement, the amplitude of successive vibrations are In arithmetic progression Constant In geometric progression In logarithmic progression In arithmetic progression Constant In geometric progression In logarithmic progression ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ - ω₂)r (ω₁ - ω₂)2r (ω₁ + ω₂)r ω₁.ω₂.r (ω₁ - ω₂)r (ω₁ - ω₂)2r (ω₁ + ω₂)r ω₁.ω₂.r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the link constitutes a Piston, piston rod and cross-head Connecting rod with big and small end brasses, caps and bolts Crank pin, crankshaft and flywheel All of these Piston, piston rod and cross-head Connecting rod with big and small end brasses, caps and bolts Crank pin, crankshaft and flywheel All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A) v²BA vBA /AB vBA × AB v²BA /AB v²BA vBA /AB vBA × AB v²BA /AB ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the Pitch curve Base circle Pitch circle Prime circle Pitch curve Base circle Pitch circle Prime circle ANSWER DOWNLOAD EXAMIANS APP
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