increases exponentially

decrease exponentially

increase linearly

none of these

2

4

6

8

4, 1.24 KW

4.5, 1.50 KW

4.5, 1.40 KW

4, 1.40 KW

H = 60, Q=120

H = 120, Q= 120

H = 60, Q = 480

H = 120, Q = 30

0.3 + 0.02D

0.5 + 0.12D

0.3 + 0.008D

0.8 + 0.02D