ASVAB Armed Services Vocational Aptitude Battery (#29)

Section: Mechanical Comprehension

The figure above represents a water tank. Which of the following statements is not true?

If Valves 1 and 2 are open and Valves 3,4, and 5 are closed, the tank will eventually overflow.
If all valves are open, the water remains at a constant level as long as the rate of intake is equal to the rate of discharge.
Water in the tank will rise if Valves 1 and 2 are open and Valves 3 and 4 are closed.
The tank will empty entirely if Valves 1 and 2 are closed and Valves 4 and 5 are open.