View a FREE sample

This quiz consists of 5 multiple choice and 5 short answer questions through Part 2, Harnassing the Elements, Introduction, Floating, Flying and Pressure Power, pp.91-141.

Multiple Choice Questions

1. What are different level marks for different types of water on the side of a ship called?
(a) Flow marks.
(b) Horizon marks.
(c) Plimsoll lines.
(d) Anchor marks.

2. What is the effort you put in combined with the distance over which the effort is done?
(a) Gravity.
(b) Rest.
(c) Work.
(d) Mendal's law.

3. Upon what does the amount of upthrust of an object in water depend?
(a) On what the object's salinity is.
(b) On what the water's electrical charge is.
(c) On whether or not the object is greater than one centimeter in diameter.
(d) On how much water the object displaces.

4. Upon how many major principles do propellers and rudders work?
(a) Four.
(b) One.
(c) Three.
(d) Two.

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

Short Answer Questions

1. What is a fulcrum?

2. What controls the movement in a gear system?

3. Under normal circumstances, what force(s) does a molecule possess?

4. What is a first-class lever?

5. How many types of gears are there?

(see the answer key)

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