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AOPP > Chp 8 - 15 > Flashcards

Chp 8 - 15 Flashcards

(69 cards)

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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
Proper _______ is one objective of good maintenance
Lubrication
26
One method of performing an apparatus pre-trip inspection
Walk around method
27
The engine oil gauge indicates the
Pressure of oil being delivered
28
Low tire pressure may cause
Poor handling
29
NFPA emergency vehicle tech A) 1071 B) 1002 C) 1951 D) 1582
NFPA 1071 (071)
30
Engine brakes are activated when
Pressure is released from the accelerator
31
If the truck is parked in the speedometer is showing anything above zero
The gauge is defective
32
Steering wheel play should be no more than ________ degrees in either direction
10
33
During a test of the parking brake, the apparatus should come to a complete stop within about
20 feet
34
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
B) Antilock braking system with automatic traction control
35
Which opening would you inspect the screens for rock or debris?
Intakes
36
Before shut down, the apparatus engine temperature should be allowed to stabilize by idling it for ______ minutes
3-5
37
One of the functions of apparatus maintenance records is to
Document recurrent repairs
38
One common cause of fire apparatus skidding is
Weight transfer
39
NFPA for driver operator training A) 1451 B) 1002 C) 1951 D) 1071
NFPA, 1451 (451)
40
A cause of skidding is
Failing to anticipate weight shifts
41
How many cones are used during serpentine driving skill?
3
42
When faced with the situation, requiring evasive tactics, you should attempt to pass on
The left side
43
Reversing the direction of travel of a vehicle in a narrow street
Confined space turn around
44
Maneuver apparatus in a straight line
Diminishing clearance, driving skill
45
Used in the initial response to a fire or other incident
Level one staging
46
a large number of emergency vehicles are responding to the same incident
Level two staging
47
When fire apparatus is operating with ______ it is engaged in a code two response.
Lights and sirens
48
In wildland fire fighting
Back apparatus into position, facing an escape route.
49
The system that allows the apparatus to be driven while discharging water A) pump and roll system B) power take off
Pump and roll system
50
Which diesel particulate elimination method occurs in a park position, and greatly increases the temperature of the exhaust tailpipe?
Regeneration
51
Two common types of flow meters
Spring probe and paddle wheel
52
Pumps that are commonly used as priming pumps are? A) Rotary gear B) Paddle wheel C) Spring probe D) Transfer case
A) Rotary gear
53
Each fire pump impeller in a housing is a?
Stage
54
NFPA 1901 requires an apparatus rated as a pumper to carry a minimum of ____ 2 1/2 inch or larger fire hose.
800 feet
55
As flow decreases pressure will _____ provided pump speed remains constant.
Increase
56
Which type of flowmeter is relatively maintenance free?
Spring probe
57
The test that ensures the piping between the water tank and pump is sufficient to supply the minimum amount of water is?
Tank to pump flow test
58
Which part of the rotary vein pump moves as it operates?
Vane
59
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
C) Transfer valve
60
Centrifugal pumps are mainly used in the fire service today because?
Of their flexibility and versatility
61
The need for fire ground hydraulic calculations has been reduced by?
Electronic pressure governors
62
A provider of extinguishing agent, flow and pressure dedicated to fire protection is?
Fire pump
63
The most common power system found in a fire pump is the? A) centrifugal B) transfer case C) clapper valve D) positive displacement pump
Transfer case
64
Coefficients
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
Rate of flow calculation
29.7 * d2 * square root of NP
66
Friction loss
C*Q2*L
67
Method of relay pumping
Constant pressure
68
Fire scene to water source
Reverse hose lay
69
Hydrant to fire
Forward lay

AOPP (4 decks)

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