to reduce the ratio of expansion in each cylinder

to reduce the length of stroke

to reduce the temperature range in each cylinder

all of the above

100 bar

150 bar

200 bar

250 bar

0.5 to 1 m

1 to 2 m

1.25 to 2.5 m

2 to 3 m

equal

half

double

four times

equal to

less than

higher than

none of these