Free ASVAB Section 3: Mechanical Comprehension Exam Braindumps (page: 8)

Page 7 of 47

In the figure above, which angle is braced most solidly?

  1. A
  2. B
  3. C
  4. All are braced equally solidly.

Answer(s): A

Explanation:

The brace on Angle A covers more area of the angle, so it’s more solidly braced.



A simple pulley gives a mechanical advantage of _______________.

  1. 2
  2. 3
  3. 1
  4. unknown

Answer(s): C

Explanation:

A simple pulley gives no mechanical advantage, although it does make work easier by spreading out the work needed over several tries. So the mechanical advantage is 1.



The baskets are balanced on the arm in the figure above. If cherries are removed from Basket B, to rebalance the arm__________________

  1. The fulcrum will have to be moved to the right.
  2. Basket B will have to be moved to the right.
  3. Basket A will have to be moved to the left.
  4. Basket A will have to be moved to the right.

Answer(s): D

Explanation:

Moving Basket A to the right counterbalances the loss of cherries from Basket B.



If both Wheel A and Wheel B revolve at the same rate in the figure above, Wheel A will cover a linear distance of 12 feet __________ .

  1. faster than Wheel B
  2. slower than Wheel B
  3. in about the same time as Wheel B
  4. half as quickly as Wheel B

Answer(s): A

Explanation:

Wheel B has to make more revolutions to cover the same ground as Wheel A, so it will cover the distance more slowly.






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