Theory of Machine The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²) + 9(dx/dt) + 16x. The damping ratio of the system is 44090 9/128 30195 44082 44090 9/128 30195 44082 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A higher pair has__________. Point contact Surface contact None of these No contact Point contact Surface contact None of these No contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the rubbing surface __________ with the distance from the axis of the bearing. Increases Remain same Decreases None of these Increases Remain same Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the link constitutes a Connecting rod with big and small end brasses, caps and bolts Piston, piston rod and cross-head All of these Crank pin, crankshaft and flywheel Connecting rod with big and small end brasses, caps and bolts Piston, piston rod and cross-head All of these Crank pin, crankshaft and flywheel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham's coupling is the Second inversion of single slider crank chain Third inversion of slider crank chain Second inversion of double slider crank chain Third inversion of double slider crank chain Second inversion of single slider crank chain Third inversion of slider crank chain Second inversion of double slider crank chain Third inversion of double slider crank chain 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 [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [cos θ + (cos 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
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