ASVAB Armed Services Vocational Aptitude Battery (#108)

Section: Mechanical Comprehension

In the figure above, assume the valves are all closed. To fill the tank, but to prevent it from filling entirely, which valves should be open?

1 and 2 only
1, 2, and 3 only
1, 2, and 4 only
1, 2, 3, and 5 only