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 contains one element which is the detonator and another reactive element which acts as the propellant?
(a) Explosives.
(b) Engines.
(c) Oscillators.
(d) Propellants.

2. What are tanks that take in water to increase the density of the craft?
(a) Bilge.
(b) Variable.
(c) Ballast.
(d) Rolling.

3. What is electricity flowing through a wire?
(a) Current.
(b) Ohms.
(c) Resistance.
(d) Watts.

4. What causes sideways movements of a ship?
(a) Cams.
(b) Jone's principle.
(c) Rods.
(d) Thrusters and stabilizers.

5. How do oppositely charged electrons respond to each other?
(a) They attract each other.
(b) Nothing.
(c) They repel each other.
(d) They absorb each other and become neutral.

Short Answer Questions

1. What happens when an object is placed in water?

2. What is the density of salt water compared to fresh water?

3. When an object absorbs light rays, how is the energy held in the object?

4. What charge do untouched electrons carry?

5. Towards which direction do electrons move on a magnet?

(see the answer key)

This section contains 219 words (approx. 1 page at 300 words per page) View a FREE sample