THEORY OF MACHINE QUIZ

ω² r {n/(n + 1)}

ω² r {(n + 1)/n}

ω² r {(n - 1)/n}

ω² r {n/(n - 1)}

(ω₁ × ω₂) y

(ω₁/ω₂) y

(ω₁ + ω₂) y

(ω₁ + ω₂)/y

Three pairs turning and one pair sliding

Two pairs turning and two pairs sliding

All four pairs are turning

One pair turning and three pairs sliding

1/24

12

4/15

1/8

Universal coupling

Oldham's coupling

Flexible coupling

Chain coupling

Fluctuation of energy

None of these

Maximum fluctuation of energy

Coefficient of fluctuation of energy

(r₁³ - r₂³)/(r₁² - r₂²)

(r₁² - r₂²)/(r₁ - r₂)

(r₁² - r₂²)/(r₁ + r₂)

(r₁³ - r₂³)/(r₁ - r₂)

12

32

16

25

18.52 N-s/m

1.4 N-s/m

52.92 N-s/m

529.2 N-s/m

20°

14°

10°

30°