minimum

maximum

zero

none of these

equal to

less than

greater than

none of these

10 to 15 percent

15 to 25 percent

25 to 40 percent

40 to 60 percent

equal

less

more

none of these

heat drop in fixed blades to the heat drop in moving blades

heat drop in moving blades to the heat drop in fixed blades

heat drop in moving blades to the heat drop in fixed blades plus heat drop in moving blades

heat drop in fixed blades plus heat drop in moving blades to the heat drop in moving blades