The ratio of the height of a Porter governor (when the length of arms and links are equal) to the height of a Watt‚Äö√Ñ√∂‚àö√ë‚àö¬•s governor is$

The ratio of the height of a Porter governor (when the length of arms

1.	The ratio of the height of a Porter governor (when the length of arms and links are equal) to the height of a Watt‚Äö√Ñ√∂‚àö√ë‚àö¬•s governor is$
A.	m/m+M
B.	M/m+M
C.	m + M/m
D.	m + M/M
Answer» D. m + M/M