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Fire Inspection and Code Enforcement > Ch. 12 water-based fire suppression system > Flashcards

Ch. 12 water-based fire suppression system Flashcards

1
Q

On page 504 of Fire Inspection and Code Enforcement, NFPA reports, the fire death rate per thousand in sprinkler-equipped hotels and motels is _____ as compared to ____ in hotels and motels without sprinkler systems.

A

1.6; 9.1

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2
Q

On page 505/506 of Fire Inspection and Code Enforcement, four basic types of automatic sprinkler systems:

A

dry pipe

wet pipe

deluge

preaction

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3
Q

On page 509 of Fire Inspection and Code Enforcement, Post indicating valve uses a ___ valve while a post indicator valve assembly uses a ___ valve.

A

gate valve; butterfly valve

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4
Q

On page 510 of Fire Inspection and Code Enforcement, used to limit the flow of water to one direction is what type of operating valve?

A. Trim valve
B. Check Valve
C. Drip check valve
D. Drain valve

A

Check valve

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5
Q

On page 510 of Fire Inspection and Code Enforcement, primarily used as drains and test valves , may be globe, ball or gate valve is what type of operating valve?

A. Trim valve
B. Check Valve
C. Drip check valve
D. Drain valve

A

Trim valves

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6
Q

On page 510 of Fire Inspection and Code Enforcement, used for drains and to keep water from freezing in pipes and damaging them is what type of operating valve?

A. Trim valve
B. Check Valve
C. Drip check valve
D. Drain valve

A

Drip check valve

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7
Q

On page 511 of Fire Inspection and Code Enforcement, the arrangement of pipes is created by using one of two methods:

A

pipe scheduled tables

hydraulic calculations

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8
Q

On page 511 of Fire Inspection and Code Enforcement, the ____ method is limited to light and ordinary hazards.

A

pipe schedule table

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9
Q

On page 513 of Fire Inspection and Code Enforcement, a type of spray sprinkler capable of producing characteristic large water droplets and that is listed for its capability of providing fire control of specific high-challenge fire hazards is what type of sprinkler?

A. Control mode Specific application (CSMA) sprinkler
B. Early suppression fast response (ESFR)
C. Old - style / conventional
D. Quick-response early suppression (QRES)

A

CSMA sprinkler

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10
Q

On page 514 of Fire Inspection and Code Enforcement, designed to suppress fires in high-challenge hazards such as warehouses; developed as a result of the research into residential-type sprinklers that must react rapidly to protect life in the room of origin is what type of sprinkler?

A. Control mode Specific application (CSMA) sprinkler
B. Early suppression fast response (ESFR)
C. Old - style / conventional
D. Quick-response early suppression (QRES)

A

ESFR sprinkler

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11
Q

On page 514 of Fire Inspection and Code Enforcement, designed to cover an area greater than 15 feet x 15 feet is what type of sprinkler?

A. Control mode Specific application (CSMA) sprinkler
B. Old style/conventional
C. Extended coverage (EC)
D. Quick-response early suppression (QRES)

A

EC sprinkler

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12
Q

On page 514 of Fire Inspection and Code Enforcement, designed to direct 40 - 60 % of its discharge in a downward direction is what type of sprinkler?

A. Control mode Specific application (CSMA) sprinkler
B. Early suppression fast response (ESFR)
C. Old - style / conventional
D. Quick-response early suppression (QRES)

A

Old style/conventional

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13
Q

On page 515 of Fire Inspection and Code Enforcement, designed to provide increased life safety in hotels, motels, and similar residential occupancies is what type of sprinkler?

A. Control mode Specific application (CSMA) sprinkler
B. Early suppression fast response (ESFR)
C. Old - style / conventional
D. Quick-response early suppression (QRES)

A

QRES sprinklers

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14
Q

On page 515 of Fire Inspection and Code Enforcement, standard sprinkler may have an operating temperature of ______ degrees Fahrenheit.

A

165 degrees Fahrenheit

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15
Q

On page 519 of Fire Inspection and Code Enforcement, NFPA 13D requires only ___ gpm for any single sprinkler.

A

18 gpm

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16
Q

On page 519 of Fire Inspection and Code Enforcement, when there are two or more sprinklers, each requires ____ gpm as a minimum water supply.

A

13 gpm

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17
Q

On page 519 of Fire Inspection and Code Enforcement, spacing for sprinklers in residential systems is a maximum of ____ square feet per sprinkler.

A

144 square feet

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18
Q

On page 519 of Fire Inspection and Code Enforcement, the maximum spacing between sprinklers is ___ feet with the maximum allowable distance of a sprinkler from a wall being ____ feet.

A

12 feet; 6 feet

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19
Q

On page 522 of Fire Inspection and Code Enforcement, basic pressure ranges in which water mist systems operate are as follows:

low pressure system:

A

175 psi or less

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20
Q

On page 522 of Fire Inspection and Code Enforcement, basic pressure ranges in which water mist systems operate are as follows:

intermediate pressure system:

A

175 - 500 psi

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21
Q

On page 522 of Fire Inspection and Code Enforcement, basic pressure ranges in which water mist systems operate are as follows:

high pressure system

A

500 psi or greater

22
Q

On page 523 of Fire Inspection and Code Enforcement, the design professionals establishes the required duration for foam application, but it must be for at least ___ minutes to control and suppress the fire.

A

15 minutes

23
Q

On page 524 of Fire Inspection and Code Enforcement, NFPA 25 requires an ____ test of the proportioner to verify that it is properly mixing the foam-water solution and creating the specified concentration.

A

annual

24
Q

On page 525 of Fire Inspection and Code Enforcement, standpipes and hose systems need to be flow and hydrostatic tested every ___ years.

A

5 years

25
Q

On page 529 of Fire Inspection and Code Enforcement, ___________ standpipe system contains no water in the system and is not connected to the domestic water supply. Relies on the fire department to provide water through the FDC.

A. Manual wet
B. Automatic dry
C. Manual dry
D. Automatic Wet

A

Manual dry

26
Q

On page 529 of Fire Inspection and Code Enforcement, ____ standpipe system maintains water from a domestic fill connection in the piping to detect leaks in the system. However, no permanently connected water source is attached to the system, and the fire department must provide water through the FDC.

A. Manual wet
B. Automatic dry
C. Manual dry
D. Automatic Wet

A

Manual wet

27
Q

On page 529 of Fire Inspection and Code Enforcement, the current NFPA 14 minimum requirement for residual pressure is ___ psi at the fire hose outlet.

A

100 psi

28
Q

On page 530 of Fire Inspection and Code Enforcement, current practice is to locate fire hose valves so that any part of a floor is within ___ feet of the stand pipe hose connection.

A

130 feet

29
Q

On page 530 of Fire Inspection and Code Enforcement, the actual hose connections can be located no more than ___ feet from floor level.

A

6 feet

30
Q

On page 530 of Fire Inspection and Code Enforcement, discharge pressure at a hose outlet exceeds ___ psi, NFPA 14 requires a pressure-regulating device to limit the pressure to ___ psi.

A

175 psi; 100 psi

31
Q

On page 531 of Fire Inspection and Code Enforcement, preferred for managing excessive pressure and considered to be the most reliable method of pressure control is what type of pressure regulating device?

A

pressure control devices

32
Q

On page 532 of Fire Inspection and Code Enforcement, 5 types of centrifugal pumps:

A

horizontal split-case

Vertical split case

vertical inline

vertical turbine

end suction

33
Q

On page 532 of Fire Inspection and Code Enforcement, The ___ pump is the most common type of fire pump found in stationary fire suppression systems.

A

horizontal split-case pump

34
Q

On page 533 of Fire Inspection and Code Enforcement, a column of water 2.304 feet high creates __ psi of pressure.

A

1 psi

35
Q

On page 533 of Fire Inspection and Code Enforcement, the most common gallon rating for the horizontal split pumps are those in ____ to ____ gpm range.

A

500 - 1500 gpm

36
Q

On page 534 of Fire Inspection and Code Enforcement, the vertical inline pump has a capacity up to ____ gpm and operating pressures up to ____ psi.

A

1500 gpm; 165 psi

37
Q

On page 534 of Fire Inspection and Code Enforcement, end suction pumps have pressure ratings from ____ to ____ psi along with flow ranges of ____ to ____ gpm.

A

40 - 150 psi; 50 - 750 gpm

38
Q

On page 535 of Fire Inspection and Code Enforcement, the ___ motor is the most common method for driving a fire pump.

A

electric

39
Q

On page 539 of Fire Inspection and Code Enforcement, an inspector will have the following four opportunities to review, inspect, and witness tests to water-based fire suppression systems:

A
  1. during plans review
  2. during construction phase
  3. during acceptance testing
  4. during life of the system
40
Q

On page 548 of Fire Inspection and Code Enforcement, the primary purpose of the riser main drain is to drain water from the system for ______ purposes.

A

maintenance

41
Q

On page 548 of Fire Inspection and Code Enforcement, to perform a main drain test, the inspector should use the following steps: Step 1:

A

Observe and record the pressure

42
Q

On page 549 of Fire Inspection and Code Enforcement, to perform a main drain test, the inspector should use the following steps: Step 2:

A

Building representative fully open the drain

43
Q

On page 549 of Fire Inspection and Code Enforcement, to perform a main drain test, the inspector should use the following steps: Step 3:

A

Observe and record the pressure drop

44
Q

On page 549 of Fire Inspection and Code Enforcement, to perform a main drain test, the inspector should use the following steps: Step 4:

A

Have the representative close the drain slowly

45
Q

On page 549 of Fire Inspection and Code Enforcement, to perform a main drain test, the inspector should use the following steps: Step 5:

A

Observe and record the final static pressure

46
Q

On page 552 of Fire Inspection and Code Enforcement, _____ is the distortion of a material caused by the repeated heating of a fusible link to near its operating temperature.

A

Cold Flow

47
Q

On page 552 of Fire Inspection and Code Enforcement, a minimum clearance of ____ to ____ inches measured from the deflector, should be maintained under sprinklers depending on the type.

A

18 - 36 inches

48
Q

On page 552 of Fire Inspection and Code Enforcement, NFPA 13D system requires a minimum __ minute supply of stored water.

A

10 minute

49
Q

On page 553 of Fire Inspection and Code Enforcement, If structures are less than 2000 square feet in area and no more than one story in height, the minimum quantity of water needed is based on the flow rate of two sprinklers that are operating for _ minutes.

A

7 minutes

50
Q

On page 553 of Fire Inspection and Code Enforcement, NFPA 13R system require that four sprinklers operate for _ minutes.

A

30 minutes

51
Q

On page 554 of Fire Inspection and Code Enforcement, the are of coverage for any residential sprinklers cannot exceed _ square feet.

A

400 square feet

Fire Inspection and Code Enforcement (16 decks)

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