Firefighter Mechanical Aptitude · Question
What is the fundamental principle behind hydraulic systems?
Pascal's principle states that pressure applied to an enclosed fluid is transmitted undiminished to every portion of the fluid and the walls of the containing v
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Question: What is the fundamental principle behind hydraulic systems?
Answer options:
- Gases are compressible. ✅ Liquids transmit pressure equally in all directions.
- Solids expand when heated.
- Pressure always decreases with depth.
Correct answer: Liquids transmit pressure equally in all directions.
Explanation: Pascal's principle states that pressure applied to an enclosed fluid is transmitted undiminished to every portion of the fluid and the walls of the containing vessel.
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- Scenario 1: Which simple machine uses a fulcrum to multiply force or change the direction of force?
- Scenario 2: If a hydraulic jack has a small piston with an area of 5 cm² and a large piston with an area of 50
- Scenario 3: Which of the following would require the MOST force to move?
- Scenario 4: A rope is tied to a heavy box. Instead of pulling the box directly, a firefighter wraps the rope a
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