Firefighter Mechanical Aptitude · Question
In a closed hydraulic system, pressure applied at one point is transmitted:
Pascal: pressure in a confined incompressible fluid is transmitted undiminished in all directions — basis of hydraulic systems.
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Question: In a closed hydraulic system, pressure applied at one point is transmitted:
Answer options:
- Only downward ✅ Equally in all directions (Pascal's principle)
- Only to bigger pistons
- Not at all
Correct answer: Equally in all directions (Pascal's principle)
Explanation: Pascal: pressure in a confined incompressible fluid is transmitted undiminished in all directions — basis of hydraulic systems.
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Question explanations
- 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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