The speed ratio of a compound gear train is defined as _______.
1
\(\rm\frac{Product\ of\ number\ of\ teeth\ on\ driven\ shafts} {Product\ of\ number\ of\ teeth\ on\ driver\ shafts} \)
2
\(\rm \frac{Product\ of\ speed\ of\ followers} {Product\ of\ speed\ of\ drivers} \)
3
\(\rm \frac{Speed\ of\ last\ follower} {Speed\ of\ first\ driver} \)
4
\(\rm \frac{Product\ of\ number\ of\ teeth\ on\ driver\ shafts} {Product\ of\ number\ of\ teeth\ on\ driven\ shafts}\)
5
Question Not Attempted