Firefighter Mechanical Aptitude · Question
The primary difference between hydraulic and pneumatic systems is that pneumatic systems use ______.
Pneumatic systems use compressed air or other gases, which are compressible, while hydraulic systems use incompressible liquids like oil.
Start free practice for Firefighter Mechanical Aptitude
150 questions · no signup required · 40 free questions per day
Question: The primary difference between hydraulic and pneumatic systems is that pneumatic systems use ______.
Answer options:
- Water as the working fluid.
- Oil as the working fluid. ✅ Compressible gas as the working fluid.
- Non-compressible liquid as the working fluid.
Correct answer: Compressible gas as the working fluid.
Explanation: Pneumatic systems use compressed air or other gases, which are compressible, while hydraulic systems use incompressible liquids like oil.
Start free practice for Firefighter Mechanical Aptitude
150 questions · no signup required · 40 free questions per day
More about Firefighter Mechanical Aptitude
Related Questions
- 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
- Scenario 5: Which type of gear system typically allows for the greatest speed reduction and torque multiplicat
- Scenario 6: When using a pry bar to lift a heavy object, moving the fulcrum closer to the object will:
More for Firefighter Mechanical Aptitude candidates
Practice tests
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
Ready to practice?
Free, no signup required. Build a wrong-question list as you go.
Start Free Firefighter Mechanical Aptitude Practice →Related courses
Other Canadian certifications candidates often prepare for alongside this one.