ASVAB Mechanical Comprehension Practice Test 1

Which of the following is an example of a Class 1 Lever?

Which of the following will happen when a mass of air contracts?

Which of the following would feel hottest at one end if the other end were placed over a fire?

If you use a lever to lift a 200 pound weight with an effort of 40 pounds, with is the mechanical advantage?

Water flows into a container at a rate of 140 gallons per minute. The container has a small opening at the bottom that drains water at a rate of 1 gallon per second. How long will it take to fill the container to 240 gallons?

Which of the following statements is true for water flowing from a 4 inch pipe to a smaller 2 inch pipe?

What is the mechanical advantage of this pulley system?

In the figure below, what is true about supports A and B?

Pulling on the rope at point A will lift the load. How far will you have to pull the rope at point A to lift the load 15 feet?

In the figure below, if gear 1 turns counterclockwise (as shown by the arrow), which of the gears will also turn in the same direction?

In the pulley system below, how fast does pulley D rotate, if pulley A rotates at 50 rpm?

Which of the following is an example of a Class 2 Lever?

Which of the following is not a type of simple machine?

In the pulley system below, how fast does pulley D rotate, if pulley A rotates at 100 rpm?

What weight (X) is needed to balance the two loads shown in the figure below?

The diagram below represents a load sliding down an incline. Which of the forces (A,B,C, or D) represent friction?

On a bicycle there are 30 teeth on the gear sprocket connected to the pedals, and 10 teeth on the sprocket connected to the rear wheels. If you pedal the bike 12 times, how many times will the rear wheel turn?

An axe is an example of what type of simple machine?

When a football is thrown upwards in the air, what causes it to arc back towards the ground?

In the figure below, if gear A turns 15 times, how many revolutions will gear B make?