Fluids Unit Test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a fluid? | A fluid is any substance that flows
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| What is a slurry? | A mixture of water and solid.
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| What is slurry technology? What is it used for? | The transportation of solids in water
- 1. Paper Production
- 2. Hydro-seeding
- 3. Mining- Processing minerals
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| What is density? | Density is the ratio of mass to volume
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| What is buoyancy? | The tendency of an object in a fluid to rise or sink due to density differences with its surroundings
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| What is Archimedes principle? | The buoyant force on an abject is equal to the weight of the fluid displaced by the object
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| What is pressure? | The amount of force applied to a given area
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| What are two effects of pressure? | 1. It causes our ears to pop when we change altitude quickly
2. Air Balloon increases in pressure and explodes
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| What is parcels law? | When force is applied to an enclosed fluid the increase in pressure is transmitted equally to all parts of the fluid.
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| What is a hydraulic system? | Transfer of energy from flow and pressure, not from the kinetic energy of the flow.
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| What is compression? | The decrease in volume as a result of a force
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| What is a pneumatic system? | A system that uses a gas, usually air, under pressure to transmit a force
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| What is buoyant force? | s an upward force exerted by a fluid that opposes the weight of an immersed object.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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