Fluid Power Week 1 Quiz Flashcards
Which weighs more - a pound of lead or a pound of brass?
They weigh the same.
What are the 3 basic forms of matter?
Solid, liquid, gas.
How does mass differ from weight?
Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.
Why aren’t the specific gravities listed for the gases in Table #13?
Gases have variable densities depending on temperature and pressure.
How does a liquid differ from a solid?
Liquids have a definite volume but take the shape of their container, while solids have a definite shape and volume.
If I have a block of a substance which is 1” x 2” x 6” and that block weighs 15 pounds, what is the block probably made of?
The block is likely made of a dense material.
How much would 50 cubic feet of oxygen weigh?
Approximately 43.2 pounds.
What is the specific gravity of silicone oil?
Approximately 0.97.
What is the specific gravity of slate?
Approximately 2.7.
What is the specific gravity of water?
1.
What is the specific gravity of turpentine?
Approximately 0.87.
What is the specific gravity of mineral oil?
Approximately 0.8.
How many cubic inches are in a gallon?
231 cubic inches.
Determine the weight of a gallon of water.
Approximately 8.34 pounds.
How much more does a block of brass 11” x 11” x 6” weigh than the same size block of cast iron?
Brass weighs less than cast iron.
