View a FREE sample

This quiz consists of 5 multiple choice and 5 short answer questions through Part Four: Electricity and Automation.

Multiple Choice Questions

1. What is suction referred to in the act of flying?
(a) Glide.
(b) Sinking.
(c) Floating.
(d) Lift.

2. What happens if the edges of the two wheels touch?
(a) The one wheel will wear out faster than the other.
(b) The one will stop the other wheel.
(c) Nothing unless they have cams.
(d) The rotation of one will cause the other to rotate.

3. What happens if the force of upthrust is equal to the weight of an object in water?
(a) The object moves across the surface of the water.
(b) The object floats.
(c) The object projects out of the water.
(d) The object sinks.

4. What controls the movement in a gear system?
(a) The rotation of the gear.
(b) The size of the belt.
(c) The inertia needed to be overcome.
(d) The size of the gear.

5. What makes it possible to use light and radio waves to communicate?
(a) They travel in patterns.
(b) They have short bursts of energy.
(c) They coalesce.
(d) They oscillate.

Short Answer Questions

1. How does a wedge move an object up an inclined plane?

2. What colors make up all light?

3. Upon how many major principles do propellers and rudders work?

4. What are small propellers mounted in the base of a ship's hull?

5. What is the type of electricity when electrons travel through a conductor such as metal?

(see the answer key)

This section contains 272 words (approx. 1 page at 300 words per page) View a FREE sample