Tools and Mechanical Reasoning Flashcards
7 cards from real Firefighter practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Tools and Mechanical Reasoning flashcards as text
Which tool combines an axe and a pick and is commonly used for overhaul and ventilation?
Answer: Pulaski axe
The Pulaski combines an axe blade and a pick, useful for chopping and digging.
Increasing the diameter of a fire hose while keeping pressure constant will generally do what to the volume of water delivered?
Answer: Increase it
A larger hose diameter allows a greater volume of water to flow at the same pressure.
A seesaw is balanced with a heavy person near the pivot and a lighter person far from it. This demonstrates balancing what?
Answer: Torque (moments)
Balance occurs when the turning moments (force times distance) are equal on both sides.
Which simple machine is a doorknob an example of?
Answer: Wheel and axle
A doorknob turns a small axle using a larger wheel, a classic wheel-and-axle.
Friction between a firefighter's boots and the floor is increased by which of the following?
Answer: A rough, dry tread
A rough, dry tread surface increases friction and improves grip.
When using a self-contained breathing apparatus (SCBA), the air cylinder is pressurized. As air is used, the gauge pressure does what?
Answer: Falls
As compressed air is consumed, the cylinder pressure gradually falls.
A belt connects two pulleys of equal size. If the first pulley spins at 100 RPM, the second pulley spins at approximately what speed?
Answer: 100 RPM
Equal-sized belted pulleys rotate at the same speed.