equal to sum of other two

greater than sum of other two

less than sum of other two

there is no such relationship

Whitworth quick return mechanism

hand pump

oscillating cylinder engine

all of the above

two elements held together mechanically

two elements having relative motion

two elements having Coroili's component

minimum of two instantaneous centres

kinematically sound

not sound

soundness would depend upon which link is kept fixed

data is not sufficient to determine same

95 mm

slightly less than 95 mm

slightly more than 95 mm

45 mm