A Governor Is Said to Be Isochronous When

Multiple Choice

A governor is said to be isochronous when

A) The equilibrium ball radii is constant for a given speed
B) For each speed within the working range the ball weights occupy a definite specific position
C) There is only one radius of the governor weights for each equilibrium sped
D) There is only one equibilbrium speed which is constant for all radii of rotation of the bells within the working range
E) None of the above