If a water tank on a toilet keeps overflowing, the problem is probably a __________.

Answer(s): A

The float measures the water level in the tank. If the tank overflows, the float is probably defective.

In the figure shown above, the board holds the weight of the cat. The board is placed on two identical scales. Each scale reads ______________.

Answer(s): C

The 20-pound cat and the 4-pound board weigh 24 pounds total or, divided by 2, 12 pounds per scale.

Helical gears have ______________.

Answer(s): B

The teeth of helical gears are slanted.

In the figure above, which pillar supports the greater load of the cat?

Answer(s): B

The cat is closer to Pillar B, so Pillar B bears more weight.

Free ASVAB Section 3: Mechanical Comprehension Exam Braindumps (page: 13)