Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power)

• A. <img src="/_files/images/mechanical-engineering/steam-boilers-and-engines/298-231-1.png">
• B. <img src="/_files/images/mechanical-engineering/steam-boilers-and-engines/298-231-2.png">
• C. I.P.
• D. (I.P.)
• E. ²