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Firefighting Exam > Key Words > Flashcards

Key Words Flashcards

1
Q

Ambient

A

Relating to the immediate surroundings of something.

“The liquid is stored at below ambient temperature.”

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2
Q

Arbitrary

A

Based on random choice or personal whim, rather than any reason or system.

“His mealtimes were entirely arbitrary.”

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3
Q

Ballast

A

Something used to keep stability and controlled position.

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4
Q

Capstan

A

Used for winding ropes on. What docks use to secure ships

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5
Q

Cardiopulmonary

A

Relating to the heart and lungs

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6
Q

Centrifugal pump

A

A pump having a high speed rotating impeller whose blades throw water outwards.

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7
Q

Chassis

A

The frame, wheels, and machinery of a car.

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8
Q

Congruent

A

Agreeing

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9
Q

Deluge

A

A great flood of water.

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10
Q

Egress

A

An exit. Process of going out.

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11
Q

Façade

A

The front of a building.

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12
Q

Incur

A

To come into or acquire.

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13
Q

Inert

A

Having no inherent power of action, motion, or resistance.

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14
Q

Mottled

A

Spotted or blotched in coloring.

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15
Q

Permeable

A

To be diffuse through; saturate.

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16
Q

Windlass

A

A type of winch used especially on ships to hoist anchors. Or imagine getting water from a well. The anchor that pulls and hold the rope is a windlass.

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17
Q

Ablaze

A

Burning fiercely

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18
Q

1lbs=how many Kg??

A

0.454kg

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19
Q

1 ton = how many lbs?

A

2000lbs

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20
Q

1 inch = how many centimeters

A

2.54 cm

21
Q

How many feet in a mile?

A

5280ft

22
Q

Formula for finding Celsius

A

C = 5(F)/9 - 32

23
Q

Formula for finding Fahrenheit

A

F = 9(C)/5 + 32

24
Q

How many centimeters in a meter

A

100cm. Remember “century”

25
Q

How many quarts in a gallon

A

4 quarts

26
Q

How many ounces in a pint

A

16 ounces

27
Q

How many quarts in a liter

A

1.057 quarts

28
Q

How many ounces in a quart

A

32 ounces

29
Q

How many pints in a quart

A

2 pints

30
Q

How many square feet in an acre

A

43,560 sq. ft.

31
Q

What is the equation for effort?

A

Effort X Effort Distance = Load X Load Distance

E X ED = L X LD

32
Q

What’s the equation for mechanical advantage?

A

MA = (L/D) or (ED/LD)

33
Q

What are the different classes of levers?

A

Check pg 230

34
Q

What’s the equation for finding effort on an inclined plane?

A

Effort X length of plane = load X height

E X LP = L X H

35
Q

What is the equation for mechanical advantage for and inclined plane?

A

MA = (length/height) or ED/height

36
Q

What is the effort equation for a screw?

A

Effort X screw circumference = load X pitch

37
Q

What’s the mechanical advantage equation for a screw?

A

MA = load/effort or circumference/pitch

38
Q

What’s the equation for finding effort in a jack screw?

A

Effort X effort circumference = load X pitch

39
Q

What’s the mechanical advantage equation for a jack screw?

A

MA = load/effort or handle circumference/pitch

40
Q

What is the equation for mechanical advantage for and inclined plane?

A

MA = (length/height) or ED/height

41
Q

What is the effort equation for a screw?

A

Effort X screw circumference = load X pitch

42
Q

What’s the mechanical advantage equation for a screw?

A

MA = load/effort or circumference/pitch

43
Q

What’s the equation for finding effort in a jack screw?

A

Effort X effort circumference = load X pitch

44
Q

What’s the mechanical advantage equation for a jack screw?

A

MA = load/effort or handle circumference/pitch

45
Q

What is the ratio of a pulley to a weight?

A

1 string = 1:1 as in one string lift the whole weight.

2 strings = force is cut in half. Example: in order to lift 5 lbs you would need 2.5 lbs of force.

3 strings = force is a third.

46
Q

When the driver is larger than the follower what happens to the gears speed and torque?

A

The speed of the follower is greater then the driver.

The torque of the follower is less.

47
Q

What happens to the gear speed and torque when the driver is smaller than the follower?

A

The speed of the follower is less than the speed of the driver.

The torque of the follower is greater.

48
Q

What is the mechanical advantage of gears?

A

MA = teeth in driver/teeth in follower

49
Q

What is the mechanical advantage of belt drives?

A

MA = diameter of driver/diameter of follower

Firefighting Exam (1 decks)

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