THEORY OF MACHINE QUIZ

m.ω².r (cosθ - sinθ)

m.ω².r cosθ

m.ω².r sinθ

(1 - c).m.ω².r (cosθ - sinθ)

Two masses in any two planes

A single mass in one of the planes of the revolving masses

A single mass in different planes

Two equal masses in any two planes

2, 3 and 4

1, 3 and 4

1, 2 and 3

1, 2 and 4

Greater than unity

Equal to unity

Less than unity

Zero

Open pair

Point contact pair

Closed pair

Sliding pair

There is no need of changing any one as remaining belts can take care of transmission of load

Broken belt

All the belts

Broken belt and its adjacent belts

Resisting force

Inertia

Mass

Friction

90° and 180°

0° and 90°

135° and 315°

270° and 360°

180° and 360°

None of these

Both (A) and (B)

0° and 90°

ωr [cos θ + (cos 2θ/n)]

ω²r [cos θ + (cos 2θ/n)]

ωr [sin θ + (sin 2θ/n)]

ω²r [sin θ + (sin 2θ/n)]