Chp 8 - 15 Flashcards

1
Q

Mounted at the top. Only a small portion of device extends into the waterway.

A

Paddle wheel

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2
Q

Detects water, movement in the discharge piping. The greater the flow, the more spring is bent.

A

Spring probe

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3
Q

Self priming pump that utilizes a piston or interlocking rotors to move a given amount of fluid through the pump

A) engine compression brakes
B) slack adjusters
C) positive displacement pump
D) transfer valve

A

Positive displacement pump

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4
Q

Using one or more reciprocating pistons to force water from the pump chambers

A) rotary gear
B) piston pump
C) transfer valve
D) slack adjusters

A

Piston pump

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5
Q

Veined circulating member of the centrifugal pump

A

Impeller

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6
Q

Intake orface at the center of the central fuel pump impeller?

A) Spring probe
B) Rotary gear
C) Impeller eye
D) Transfer valve

A

C) Impeller eye

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7
Q

Spiral, divergent chamber of a centrifugal pump.

A

Volute

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8
Q

Automatic valve, that permits liquid to flow in only One Direction.

A) Engine compression brakes
B) Positive displacement pump
C) back pressure
D) check valve

A

Check valve

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9
Q

A device used to exhaust the air from inside a centrifugal pump and the attached hard suction.

A) Centrifugal
B) Priming Device
C) Impeller
D) Exhaust primer

A

B) Priming device

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10
Q

Materials that are capable of being mixed, at all proportions

A

Miscible

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11
Q

Solid or flexible to use to transfer foam Concentrate from a storage container to an in-line educator

A

Pick up tube

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12
Q

Method of proportioning foam that uses external pump or head pressure to force foam concentrate into the fire stream at the correct ratio for the flow desired

A) Batch mixing
B) Eduction
C) Injection
D) Jet ratio controller

A

C) Injection

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13
Q

Production of foam solution by adding an appropriate amount of foam concentrate to a water tank before application?

A) Batch mixing
B) Injection
C) Eduction
4) Jet controlled

A

A) Batch mixing

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14
Q

Mixing premeasured, proportions of water and foam Concentrate in a container.

A

Pre-mixing

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15
Q

Chemical that lowers the surface tension of liquid allows water to spread more rapidly over the surface

A

Surfactant

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16
Q

To cause or undergo a chemical process of decomposition involving the splitting of a bond, and the addition of the element of water

A

Hydrolyze

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17
Q

Ability of a foam blanket to resist direct flame impingement, such as would be evident in partially extinguished petroleum fire

A

Burnback resistance

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18
Q

Concentrate that combines the qualities of fluoprotein foam with those of aqueous film forming foam

A

Film forming fluoprotein foam

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19
Q

Pressure loss or gain created by changes in elevation between the nozzle and pump

A) positive displacement pump
B) back pressure
C) load monitor
D) pump discharge pressure

A

Back pressure

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20
Q

High expansion foam generator that uses a fan to inject the air in to the foam solution as it passes through the unit

A

Mechanical blower

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21
Q

Instrument that indicates the rotational speed of a shaft and revolutions per minute

A) refractometer
B) tachometer

A

Tachometer

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22
Q

Used to measure the amount of foam concentrate in the solution

A

Refractometer

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23
Q

The two tests that are performed by the manufacturer

A

Road and hydrostatic test

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24
Q

Which statement regarding voltmeters is correct

A

The volt meter reads the battery voltage

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25
Q

Proper _______ is one objective of good maintenance

A

Lubrication

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26
Q

One method of performing an apparatus pre-trip inspection

A

Walk around method

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27
Q

The engine oil gauge indicates the

A

Pressure of oil being delivered

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28
Q

Low tire pressure may cause

A

Poor handling

29
Q

NFPA emergency vehicle tech
A) 1071
B) 1002
C) 1951
D) 1582

A

NFPA 1071
(071)

30
Q

Engine brakes are activated when

A

Pressure is released from the accelerator

31
Q

If the truck is parked in the speedometer is showing anything above zero

A

The gauge is defective

32
Q

Steering wheel play should be no more than ________ degrees in either direction

A

10

33
Q

During a test of the parking brake, the apparatus should come to a complete stop within about

A

20 feet

34
Q

A braking system that has a snow and mud switch is the?

A) Engine compression brakes
B) Antilock braking system
C) Exhaust brakes
D) Slack Adjusters

A

B) Antilock braking system with automatic traction control

35
Q

Which opening would you inspect the screens for rock or debris?

A

Intakes

36
Q

Before shut down, the apparatus engine temperature should be allowed to stabilize by idling it for ______ minutes

A

3-5

37
Q

One of the functions of apparatus maintenance records is to

A

Document recurrent repairs

38
Q

One common cause of fire apparatus skidding is

A

Weight transfer

39
Q

NFPA for driver operator training

A) 1451
B) 1002
C) 1951
D) 1071

A

NFPA, 1451
(451)

40
Q

A cause of skidding is

A

Failing to anticipate weight shifts

41
Q

How many cones are used during serpentine driving skill?

A

3

42
Q

When faced with the situation, requiring evasive tactics, you should attempt to pass on

A

The left side

43
Q

Reversing the direction of travel of a vehicle in a narrow street

A

Confined space turn around

44
Q

Maneuver apparatus in a straight line

A

Diminishing clearance, driving skill

45
Q

Used in the initial response to a fire or other incident

A

Level one staging

46
Q

a large number of emergency vehicles are responding to the same incident

A

Level two staging

47
Q

When fire apparatus is operating with ______ it is engaged in a code two response.

A

Lights and sirens

48
Q

In wildland fire fighting

A

Back apparatus into position, facing an escape route.

49
Q

The system that allows the apparatus to be driven while discharging water

A) pump and roll system
B) power take off

A

Pump and roll system

50
Q

Which diesel particulate elimination method occurs in a park position, and greatly increases the temperature of the exhaust tailpipe?

A

Regeneration

51
Q

Two common types of flow meters

A

Spring probe and paddle wheel

52
Q

Pumps that are commonly used as priming pumps are?

A) Rotary gear
B) Paddle wheel
C) Spring probe
D) Transfer case

A

A) Rotary gear

53
Q

Each fire pump impeller in a housing is a?

A

Stage

54
Q

NFPA 1901 requires an apparatus rated as a pumper to carry a minimum of ____ 2 1/2 inch or larger fire hose.

A

800 feet

55
Q

As flow decreases pressure will _____ provided pump speed remains constant.

A

Increase

56
Q

Which type of flowmeter is relatively maintenance free?

A

Spring probe

57
Q

The test that ensures the piping between the water tank and pump is sufficient to supply the minimum amount of water is?

A

Tank to pump flow test

58
Q

Which part of the rotary vein pump moves as it operates?

A

Vane

59
Q

Which valve determines whether the pump is operating in series or pressure mode?

A) Clapper valve
B) Puck up tube
C) Transfer valve
D) Check valve

A

C) Transfer valve

60
Q

Centrifugal pumps are mainly used in the fire service today because?

A

Of their flexibility and versatility

61
Q

The need for fire ground hydraulic calculations has been reduced by?

A

Electronic pressure governors

62
Q

A provider of extinguishing agent, flow and pressure dedicated to fire protection is?

A

Fire pump

63
Q

The most common power system found in a fire pump is the?

A) centrifugal
B) transfer case
C) clapper valve
D) positive displacement pump

A

Transfer case

64
Q

Coefficients

A

1”: 150
1 1/4”: 80
1 1/2”: 24
1 3/4”: 15.5
2”: 8
2 1/2”: 2
2 3/4”: 1.5
3”: .8
5”: .08

65
Q

Rate of flow calculation

A

29.7 * d2 * square root of NP

66
Q

Friction loss

A

CQ2L

67
Q

Method of relay pumping

A

Constant pressure

68
Q

Fire scene to water source

A

Reverse hose lay

69
Q

Hydrant to fire

A

Forward lay