Firefighter Mechanical Aptitude · Question
The 4 strokes of a typical engine in order are:
Suck → Squeeze → Bang → Blow: Intake, Compression, Power, Exhaust.
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Question: The 4 strokes of a typical engine in order are:
Answer options:
- Power, intake, exhaust, compression ✅ Intake, compression, power, exhaust
- Exhaust, power, intake, compression
- Compression, intake, exhaust, power
Correct answer: Intake, compression, power, exhaust
Explanation: Suck → Squeeze → Bang → Blow: Intake, Compression, Power, Exhaust.
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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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