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Class 3 Flashcards

1
Q

The distance between the floor and the underside of the roof deck within the storage area: (NFPA 13, 2007 — 13-22, 3..18)

A

Roof height

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2
Q

What is the minimum size ball drip permitted on a check valve: (NFPA 14, 2007 - - -S-28, 4.8.2.2 Q (i) - - - NFPA-14,2003 - - - S-50,4.8.2.2 (i) )

A

3/4-inch

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3
Q

The sprinkler pipes in which the sprinklers are placed, either directly or through risers: (NFPA 13, 2007 — 13-19 3.5.1)

A

Cross main

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4
Q

Class III standpipe systems shall be installed throughout the following building; in buildings 3-stories or more in height with floor area of: (NYC Building Code 2014, 905.3.1 (2), 214 - - - NFPA 14, 2003 - - - S-68A,905.3.1 (2) )

A

7,500-Sq. ft.

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5
Q

All the equipment, material and labor required for testing a system or parts thereof of a fire system: (NFPA 14, 2007, S-78, 11.1.3)

A

Installing contractors shall complete and sign appropriate contractor’s material and test certificate(s)

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6
Q

Express piping to high zone siamese connections shall not be installed in STAIRWAY enclosures but may be in any other: (NFPA 14, 2007 - - - S-S-29, 4.8.2.2Q(j)(1) - - - NFPA 14,2003 - - - S-50, 4.8.2.2(i)(j) )

A

Protected shaft

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7
Q

Within a year a certain material rose from $250.00 to $270.00 for the same quantity. The percentage price increase was:

A

8%

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8
Q

Unless the requirements of 6.7.3.1, 6.7.1.3.2 or 6.7.1.3.3 are met, all valves controlling connections to water supplies and to supply pipes to sprinklers shall be listed: ( NFPA 13,2007 — 13-32, 6.7.1.3 & 3.1*-)

A

underground gate valve equipped with a listed indicator post / indicating valves

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9
Q

On a set of drawings a line is drawn 12-1/2-inch long. If the scale is 1/8 of an inch to the foot, what is the actual length of the pipe

A

100-feet

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10
Q

The main reason why the outer ends of all external and internal screw threads for a firehouse connection are terminated by a higbee-cut-blunt start on a full thread is to:

A

To avoid cross threading of the threads

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11
Q

Each two-way fire department connection for standpipe systems shall be provided with caps painted: (NFPA 14, 2007, S-46, 6.4.2Q)

A

Red

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12
Q

Horizontal piping from the standpipe to hose connections that are more than _____ (457-mm) in length shall be provided with hangers: (NFPA 14, 2003, S-66, 6.4.2.1)

A

18-inches

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13
Q

Class 1 and class 111 standpipes in building with floor heights less than 150-feet (45 720-mm) above grade plane shall be at least: (NFPA 14, 2007 - - - S-53, 7.6.1Q - - - NFPA 14,2003 - - - S-71, 7.6.1 and S-71, Table 1)

A

4-inches in diameter

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14
Q

The nominal pipe size of the pipe refers to the pipes:

A

Area of pipe

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15
Q

(18) In the sentence “ the working drawings shall be coordinated with…” in the above paragraph. The word coordinate means most nearly:

A

In agreement

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16
Q

Mains supplying risers or cross mains: (NFPA 13, 2007 — 13-19, 3.5.3)

A

Feed Main

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17
Q

Bolts shall be provided with a: (NFPA 13, 2007 — 13-93, 9.1.1.6.8)

A

Flat washer / Nut

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18
Q

The vertical supply pipes in a sprinkler system: (NFPA 13, 2007 — 13-19, 3.5.5)

A

Riser

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19
Q

According to the N.Y.C. Building code the maximum number of sprinkler heads that a N.Y.C. Master PLumber is authorized to install on any one building off a domestic water line: (“Plumbing work”)

A

30

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20
Q

Two pipes are running full of water and going into one pipe. One pipe is carrying 47-gallons of water per minute and the other Carrying 53-gallons of water per minute. What is the amount of water coming through the third pipe

A

100-gallons/minute

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21
Q

Which document established the minimum requirements for the periodic inspection, testing, and maintenance of water-based fire protection systems and the actions to undertake when changes in occupancy,use, process, materials, hazard, or water-supply that potentially impact the performance of the water-based system are planned or identified:

A

NFPA 25

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22
Q

Of the following type of hangers, the one that is most commonly used in piping work is the: (NFPA 13,2007 — 13-277)

A

Clevis- Hanger type

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23
Q

Riser control valve in standpipe systems, shall where practicable, be located within required stair enclosure serving the: (NFPA 14, 2007 — S-41, 6.2.2Q(1) — NFpa 14, 2003 — S-59, 6.2.2 (1) )

A

Entrance floor

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24
Q

An air compressor is primarily used for: (NFPA 13,2007 - - - 13-34, 7.2.6.2*)

A

Forcing water through fire sprinklers in a building

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25
Q

Upon reading question #61, the valves on the suction side and the discharge of the fire pump shall be deemed to comply with this requirement when the discharge valve is placed on the discharge side of the: (NFPA 14, 2007 — S-40, 6.3.1.1Q — NFPA 14, 2003 — S-59, 6.2.1)

A

Check valve

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26
Q

Of the following types of heat detectors the one that does not initiate an alarm when the detecting element reaches a predetermined set temperatures is known as: (NFPA 72, 2002—- 72-17, 3.3.43.16*)

A

Rate-of-rise-detector

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27
Q

When cutting or welding, the clothing that is worn should: (OSHA rules)

A

Include flame resistant gloves and aprons

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28
Q

Test 3.1 Question

A

Answer

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29
Q

O.S.H.A. Is an abbreviation for an administration that deals primarily:

A

Workplace health and safety

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30
Q

Standpipe risers supplied by an upper level criss connection shall be provided with manual control valves or remote-control valves, so arranged that risers supplied by the upper level cross connections may be shut off from the tank supplies: (NFPA 14, 2007 - - - S-51, 7-5Q (3) - - - NFPA 14, 2003 - - - S-70,7.5 (3) )

A

Independently

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31
Q

A class 11 standpipe system provides ______ hose stations to supply water for use primarily by building occupants or by the fire department during initial response: (NFPA 14, 2007 — S- 35, 5.3.2.1)

A

38-mm (1-1/2-inch)

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32
Q

Holes for bolts shall not exceed _______ greater than the diameter of the bolt: (NFPA 13, 2007 — 13-93, 9.1.1.6.7)

A

1/4- inch

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33
Q

The pump capacity of a multi-stage centrifugal fire pump is rated under:

A

Discharge of one stage in gallons per minute or L/m

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34
Q

Of the following plumbing and sprinkler statements, the one that is most correct concerning the function of the License Board: (Admin. Code 2014, 28-401.3, page 87)

A

Advising the commissioner regarding the character and the fitness of applicants for a license or certificate of competence / Advising the commissioner regarding allegations of illegal practices by persons licensed / Advising the commissioner regarding other matters in the industry as the commissioner may see fit

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35
Q

(17) In the sentence “all work indicated schematically in the drawings..” in the above paragraph. the word schematically means most nearly:

A

An outline

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36
Q

Underground piping supplying a standpipe system shall be flushed in accordance with NFPA 24, Standard for the Installation of Private Fire Service Mains and Their Appurtenances. piping between the fire department connection and the check valve in the inlet pipe shall be flushed with sufficient volume of water in order to remove any obstruction debris and trash accumulated in the piping prior to the completion of the system and ___________________: (NFPA 14,2007, S-78, 11.2.1, 11.2.2)

A

prior to the installation of the fire department connection

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37
Q

Two-way fire department connections shall be of the flush or freestanding type, with the exception of the swivel caps, shall not project beyond the street property line. the riser pipe to a free- standing two-way fire department connection shall be: (NFPA 14, 2007 — S-28, 4.8.2.2(g) (2) — NFPA 14, 2003 — S-49, 4.8.2.2(g) (2) )

A

Red brass pipe

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38
Q

Two-way fire department connections shall be provided in maximum two-way fire department connection zone heights if 600-feet, supplying no more than two standpipe zones. A normally ________ valved interconnection shall be provided between each two-way fire department connection zone: (NFPA 14,2007 - - - S-28, 4.8.2.2Q (j) - - - NFPA 14,2003 - - - S-50, 4.8.2.2(j) )

A

Closed

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39
Q

In the installation of signs in a standpipe system, the signs shall be secured to a device or building wall with corrosion- resistant: (NFPA 14, 2007, S-47, 6.6 — NFPA 14, 2003 — S-66, 6.5)

A

Chains / Fasteners

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40
Q

(33) During the contraction, the installation approval has been granted to change the location if several components of the fire alarm system. The net effect of this change is a savings of $550.00 in cost to the prime contractor. If the contract was originally for $12,375.00 then according to the provisions if the above paragraph the adjusted contract dollar value then becomes

A

$12,100.00

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41
Q

Valves in standpipe systems shall be readily accessible for inspection,repair and use. if the valve is placed so that its operating mechanism is more than 7-feet above a floor or stair landing, a ______ wide wrought iron, steel or equivalent ladder securely fastened shall be provided for access to the valve: (NFPA 14,2007 — S-42, 6.2.2Q(5) — NFPA 14, 2003 —- S-60, 6.2.2(5) )

A

12-inch

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42
Q

Sprinklers shall be inspected from the floor level: (NFPA 25,2014 — 25-15, 5.2.1.1*)

A

Annually

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43
Q

Post installed (expansion shields) shall not be used in ceilings of: (NFPA 13, 2007 — 13-94, 9.1.3.3)

A

Concrete

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44
Q

A test of a closed piping system and its attached appurtenances consisting if subjecting the piping to an increased internal pressure for a specified period of duration to verify system integrity and leak rates: (NFPA 25, 2014 - - - 25-9, 3.3.20)

A

Hydrostatic test

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45
Q

In a standpipe system each control valve shall be conspicuously marked with a number assigned to it on the ____ ____ for the standpipe: (NFPA 14, 2007 — S – 42, 6.2.2Q (6) — NFPA 14, 2003 — S-60, 6.2.2(6))

A

Riser diagram

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46
Q

A specification of a sprinkler head is stated as a model FF 1/2” or fire 1/2” NPT Upright & Pendent the letters NOT refer to:

A

Thread designation of the sprinkler head

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47
Q

A class 111 standpipe system provides _______ hose stations to supply water for use by building occupants and ________ hose connections to supply larger volume of water for use by fire departments and those trained in handling heavy fire streams: (NFPA 14, 2007, S-12, 3.3.15.3, See: Fig #1)

A

38-mm (1-1/2-inch), 65-mm (2-1/2-inch)

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48
Q

Any sprinklers that shows sign of the following shall be replaced:( NFPA 25,2014 — 25-15, 5.2.1.1.2)

A

Loading / Leakage / Corrosion

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49
Q

The oxygen cylinders used in an oxy-acetylene system are made out of

A

Steel

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50
Q

wood screws shall be installed with (NFPA 13, 2007 — 13-217, 22.4.4.11)

A

Screwdriver

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51
Q

Of the following statements pertaining to sprinklers the one that is most applicable to a upright sprinkler is that an upright sprinkler: (NFPA 13, 2007 — 13-20, 3-6.3.6)

A

To be installed in such a way that the water sprayed is directed upwards against the deflector

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52
Q

The color of the caps on each fire department connection of a combination standpipe and sprinkler system: (NFPA 14, 2007, S-46, 6.4.5.2Q - - - NDPA 14,2003, S-64, 6.3.5.2)

A

Yellow

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53
Q

The outside diameter of “K” copper is always:

A

Larger than its nominal size

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54
Q

In the installation of a centrifugal fire pump, under such vibrant pump suction, flanged are not the same size, it is recommended that in practice, they be connected with a: (NFPA 20, 2013, 20-62, Figure A.4.14.6 - - - 20-16, 4.14.6.4)

A

Flange eccentric reducer

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55
Q

A suppressor used in a fire piping system is used for:

A

Controlling vibrations

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56
Q

if you worked a 7-1/2-hour/dat, and you worked a 5-day week, and make $10.00/hour and you worked 16-hours overtime at $15.00/hour, what would be your gross pay

A

$615.00

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57
Q

All electric wiring contained in a fire alarm system in a fire suppression system must be installed in accordance with:

A

NYC electrical code

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58
Q

Test 3.5 Question

A

Answer

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59
Q

The maximum pressure at any point in the standpipe system at any time shall not exceed 24.1 bar (350 psi), except for piping to high zone two-way fire department connections, and shall not, in any case, be greater than the pressure rating of the system components in accordance with section 4.2 of this reference standard NFPA 14,2007. Maximum height oer zone is limited to: (NFPA 14,2007 - - - S-48, 7.2Q)

A

300-feet

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60
Q

The minimum spare sprinklers that must be kept in stock upon completion of the installation of a sprinkler system that contains 375: (NFPA 13, 2007 — 13-28, 6.2.9.5)

A

12

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61
Q

(47)Each two-way fire department connection shall be connected to a riser or to a cross connection connecting other two-way fire department hose connections or risers within each two-way fire department zone provided in accordance with section 4.8.2.2. The pipe from the two-way fire department connection to the riser or cross connections shall be: (NFPA 14,2007 - - - S-52, 7.5Q (6) - - - NFPA 14,2003 - - - S-71, 7.5(6) )

A

5-inch

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62
Q

All piping to water motor-operated devices shall be galvanized or brass or other corrosion-resistant material acceptable under this standard and of a size not less than: (NFPA 13,2007 — 13-33, 6.9.3.3)

A

3/4-inch (19-mm)

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63
Q

Unless permitted by 9.1.1.4 or 9.1.1.4.3, the components of hanger assemblies that directly attach to the pipe or the building structure shall be listed. Mild steel hangers formed from rods shall be: (NFPA 13, 2007 — 13-92, 9.1.1.4.1 & 2)

A

Shall be listed

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64
Q

Where slip-on flanges are welded to pipe with a single fillet weld, the weld shall be on the hub side of the flange and the minimum throat weld thickness shall not be less than _________ times the pipe wall thickness or the hub thickness whichever is less: (NFPA 13,2007 - - - 13-31, 6.5.2.4.3)

A

1.25

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65
Q

The maximum pressure at any point in the standpipe system at any time shall not exceed ____ psi, except for piping to high zone two-way Fire department connections, and shall not, in any case, be greater than the pressure rating of the system components in accordance with section 4.2 of the reference standard. Maximum height per zone is limited to _______ feet: (NFPA 14, 2007, S-68, 7.2Q — NFPA 14, 2003, S-68, 7.2*)

A

350, 300

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66
Q

Waterflow alarm apparatus shall be listed for the service and so constructed and installed that any flow of water from a sprinkler system equal to or greater than that from a single automatic sprinkler of the smallest orifice size installed on the system will result in an audible alarm on the premises with ______ after such flow begins until such flow stops: (NFPA 13,2007 — 13-32, 6.9.1)

A

5-minutes

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67
Q

Of the following terms, the one which is not generally used to describe a type of payment to a contract for work performed:

A

Security payment

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68
Q

Test 3.4 Question

A

Answer

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69
Q

The aboveground horizontal or vertical pipe between the water supply and the main (cross or feed) that contains a control valve (either directly or within its supply pipe) and a water flow alarm device: (NFPA 13, 2007 — 13-19, 3.5.8)

A

System riser

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70
Q

After cutting, pipe ends shall have: (NFPA 13,2007 — 13-32, 6.5.6.1)

A

Burrs removed/ Fins removed

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71
Q

Class 1 standpipe systems in buildings classified as high-rise buildings shall be: (NFPA 14,2007 - - - S-36, 5.1.2Q - - - NFPA 14, 2003 - - - S-54, 5.4.1.2)

A

Automatic wet

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72
Q

All sprinkler piping must be drained in a dry pipe system; if the pipe was pitched at a rate of 1/2-inch/10-feet and you have a 275-foot run, how much would the pipe drop

A

13.75-inches

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73
Q

A set of sprinkler heads and pipe plans are drawn to scale of 1/4-inch per foot. A horizontal line measuring 12-3/4- inch is on the plan. The actual measurement should be:

A

51-feet

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74
Q

A suppressor used in a piping system is never used for:

A

Supporting the weight of the piping system

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75
Q

Who is responsible for properly maintaining a water-based fire protection system: (NFPA 25, 2014 - - - 25-13, 4.1.1)

A

The property owner / the designated representative

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76
Q

The size of a listed dial spring pressure gauge shall be connected to each discharge pipe from the fire pmp and the public waterworks at the pressure tank, at each amin drain connection at the aire pump supplying the pressure tank, and at the top of each standpipe: ( NFPA 14, 2007, S-37, 5.5.1 — NFPA 14, 2003, S-55, 5.6*)

A

3-1/2- inch

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77
Q

The installing contractor shall provide a sign identifying the basis of the system as either hydraulic calculations or _______: (NFPA 13,2007 —- 13-31, 6.5.4.3)

A

H.P.D

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78
Q

Solder joints shall be permitted for wet pipe systems in light hazard and ordinary hazard (Group 1) occupancies where the piping is ______ irrespective of sprinkler temperature ratings: (NFPA 13, 2007 —- 13-31, 6.5.4.4)

A

Exposed

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79
Q

When placing an extension ladder against a straight wall the ladder must be placed at a safe angle against the wall, therefore, the recommended practice, the distance the foot of the ladder from the wall would be approximately equal to: (OSHA’s compliance encyclopedia, page 740-11 “General Industry Standards”

A

1/4 the length of the ladder

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80
Q

Standpipe systems that include more than one riser shall have all risers cross connected at, or below the: (NFPA 14,2003 - - - S-70, 7.5 (1) )

A

Street entrance floor level

81
Q

For workman’s compensation insurance you must fross $50,000. Minimum for a base premium of $22,000/year. So, if your gross income was $61,000/year and workman’s compensation were charging you $2.00 extra for every $100.00 over $50,000., what would your premium be

A

$22,720

82
Q

Circumference butt joints (welding) shall be cut, beveled, annd fit so that full penetration is achievable. FUll penetration welding shall: (NFPA 13, 2007 — 13-31, 6.5.2.4.2*, 13-254, 255, Fig#A.6.5.2.4.1)

A

Not be required / partial penetration weld is acceptable

83
Q

When welding is performed, the following shall apply: (NFPA 13, 2007 — 13-31, 6.5.2.4.6 (2), (3), (7) )

A

Openings cut into piping shall be smooth bore, and all internal slag and welding residue shall be removed

84
Q

For all other steel pipe, (as per question 11) the minimum radius of a bend shall be ____ pipe diameters for all sizes: (NFPA 13,2007 — 6.3.7.3)

A

14

85
Q

copper tube as specified in the standards listed in table 6.3.1.1 shall have a wall thickness of type _____ where used in sprinkler systems: (NFPA 13, 2007 — 13-29, 6.3.5*)

A

“M”

86
Q

All control, drain, and test connection valves shall be provided with: (NFPA 13, 2007 — 13-32, 6.7.4.1)

A

Permanently marked weatherproof metal / Rigid plastic identification signs

87
Q

A set of plans are drawn to scale of 1/4-inch equals a foot. A horizontal line measuring 6-inches on the plan should measure

A

24-feet

88
Q

Piping materials are listed at $750.00. If a 20%, 15%, and 8% discount is allowed, the net purchase cost is most nearly

A

$469.00

89
Q

At the top of the highest standpipe risers there shall be provided, above the main roof level, a three-way manifold equipped with: (NFPA 14,2003 - - - S-69, 7.3.2.2)

A

Three, 2-1/2-inch (63.5 mm) hose valves with hose valve caps

90
Q

Which of the following, which is considered the least important in pipe hanging, in support systems:

A

The type of pipe joint

91
Q

Class 1 Manual standpipes are allowed in open parking garages where the highest floor is located not more than _________ feet above the lowest level of the fire department vehicle access: (NYC Building code 2014, 905.3.2(Exception: (2), 214 - - - NFPA 14, 2003, S-68B, 905.3.1(4) Ex.(2) )

A

150-feet

92
Q

(19) in the above sentence “ approval of equipment and installations is Mandated by….” means most nearly:

A

decreed

93
Q

Where drain connections for floor control valves are tied into a common drain riser, the drain riser shall be ______ pipe size larger than the largest size drain connection tying into it: (NFPA 13, 2007 — 13-88, 8.16.2.4.7)

A

One

94
Q

There are different classes of standpipe systems, a system that shall provide 65-mm (2-1/2-inch) hose connections, to supply water for use by fire departments and those trained in handling heavy fire streams are defined as a: (NFPA 14, 2007 - - - S-35, 5.3.1 - - - NFPA 14,2003 - - - S-53,5.3.1)

A

Class 1 systems

95
Q

Assume you have assigned 12-fitters to install a fire suppression piping system that must be completed in 8-days. At the end of 6 days only 2/3 of the Jon has been completed. In order to complete the job on time, you should assign a minimum:

A

6-extra fitters

96
Q

A sprinkler secured in an extension nipple that has a seal at the inlet end to prevent water from entering the nipple until the sprinkler operates: (NFPA 13, 2007 —- 13-20, 3.6.4.2*)

A

Dry sprinkler

97
Q

The specification for a piece of equipment reads as follows: 208-volt 3-phase 10-H.P.; the piece of electrical equipment us most likely:

A

Rectifier

98
Q

Metal housed tools are required to have 3 wires and 3 prong plugs. Which is the color code of the ground:

A

Green

99
Q

Same as question 47, except that a __________ pipe shall be sufficient when such pipe supplies a single four-inch riser system: (NFPA 14, 2007 - - - S-52, 7.5Q (6) - - - NFPA 14,2003 - - - S-71, 7.5(6) )

A

4-inch

100
Q

In standpipe systems where cross-connections are required and where there is no cellar, cross connections may be hung from the ceiling of the: (NFPA 14,2003 - - - S-71, 7.5 (5) )

A

Lowest Story

101
Q

Certain piping materials have a list price of $1200.00. If a discount of 24% is applied, the dollar amount saved on the same sale will be:

A

$288.00

102
Q

Hydraulic design information sign shall indicate the following: (NFPA 14,2007 - - - S47, 6.8.3 (1), (2), (3) - - - NFPA 14,2003 - - - S-66, 6.7.3 (1), (2), (3) )

A

The location of the two hydraulically most remote hose connections / the design flow rate for the connections identified in 6.8.3(1) / The design residual inlet and outlet pressures for the connections identified in 6.8.3(1)

103
Q

The following statement appears in a contract; payments will be made for the number of sprinkler heads or nozzles replaced, as shown on the plans.” The type of contract is most likely:

A

Unit price contract

104
Q

(16) according to the above paragraph the one statement that is most nearly correct:

A

The owner shall receive the installation drawings after being approved by the government authorities

105
Q

Hangers certified by a registered professional engineer to include all of the following shall be acceptable alternative to requirements of Section 9.1, shall be designed to support 5 times the weight of water- filled pipe plus a minimum safety factor of ____ at each point of piping support: (NFPA 13, 2007 — 13-92, 9.1.1.2 (1) )

A

250#

106
Q

Pipe Materials are listed at $1000.00, if a 15%,10% and 18% discount is allowed, the net purchase cost is most nearly:

A

$684

107
Q

The design of the standpipe system is governed by building height, area per floor occupancy classification, egress system design, required flow rate and residual pressure, and: (NFPA 14, 2007, S-48, 7.1* —- Nfpa 14, 2003, S-68, 7.1*)

A

The distance of the hose connection from the source(s) of the water supply

108
Q

When a gravity tank is required in a yard system, the tank should be

A

Elevated above the ground level

109
Q

Automatic ball drips shall be placed between the Siamese connection and the check valve, in the: (NFPA 14,2007 - - - S-28, 4.8.2.2Q(I) - - - NFPA 14, 2003 - - -S-50, 4.8.2.2(i))

A

Horizontal position

110
Q

Water in a form having a predetermined pattern, velocity and density discharge from designed nozzles or devices: (NFPA 25, 2014 - - - 25-11, 3.3.50)

A

Water spray

111
Q

Hydraulic design information signs shall be located at the water supply control valve for automatic or semiautomatic standpipe systems and at an approved location for _____ systems: (NFPA 14, 2007 — S-47, 6.8.2)

A

Automatic / Dry

112
Q

standard weight pattern malleable iron fittings 6-inch (152-mm) in size and smaller shall be permitted where pressures do not exceed: (NFPA 13, 2007 — 13-30 6.4.4.2)

A

125-psi

113
Q

(36)In the phrase “to change location” of appurtenances to accommodate the conditions of the above paragraph the word “accommodate” means most nearly

A

Satisfy

114
Q

Pre-action systems, branch lines shall be pitched at least _____ and mains shall be pitched at least _____: (NFPA 13, 2017 — 13-87, 8.15.2.3.2)

A

1/2” per 10-feet, 1/2” per 10-feet

115
Q

When air is pressurized by an air compressor it

A

Becomes hot

116
Q

Of the following types of fire standpipe systems, normally filled with pressurized air, that is arranged through the use of a device, to admit water into the system piping automatically upon the opening of a hose valve: (NFPA 14, 2007, S- 22, 4.4.4* — NFPA 14, 2003 — S-52, 5.2.1)

A

Automatic-dry

117
Q

dry pipe and pre-action sprinkler systems used in refrigerated areas, the branch lines shall be pitched piping at least ______ and mains shall be pitched at least _____: (NFPA 13, 2017 —- 13-87, 8.16.2.3.3)

A

1/16-inch per 10-feet, 1/4-inch per 10-feet

118
Q

A building where the floor of an occupiable story is greater than 75-ft. (23-m) above the lowest level of fire department vehicle access, is defined as a: (NFPA 14, 2007 - - - S-10, 3.3.5Q - - - NFPA 14,2003 - - - S-36, 3.3.9)

A

High-rise building

119
Q

A spanner wrench is mainly used for:

A

Coupling and uncoupling of caps for a siamese hose connection

120
Q

The property owner or designated representative shall notify the ______________ if required, and the alarm-receiving facility before testing or shutting down a system or its supply: (NFPA 25, 2014 - - - 25-13, 4.1.4)

A

Authority having jurisdiction / Fire department / The alarm-receiving facility

121
Q

Occuring once per year with a minimum of: (NFPA 25, 2014 - - - 25-11, 3.7.1.6)

A

9-months

122
Q

The pipes supplying branch lines, either directly or through risers: (NFPA 13, 2007 — 13-19, 3.5.2)

A

Cross main

123
Q

A set of sprinkler heads and pipe plans are drawn to scale of 1/4-inch/foot. A horizontal line measuring 12-3/4-inch is on the plan. The actual measurement should be

A

51-feet

124
Q

A class 1 standpipe system shall provide ______________ hose connections to supply water for use by fire departments and those trained in handling heavy fire streams: (NFPA 14, 2007 — S-35, 5.3.1)

A

65-mm (2-1/2-inch)

125
Q

Torch cutting and welding a sprinkler system as a means of modifying or repairing sprinkler systems: (NFPA 13, 2007 - - - 13-30, 6.5.2.2.5)

A

Shall not be permitted

126
Q

A device for use in applications requiring special water discharge patterns, directional spray, or other unusual discharge characteristics: (NFPA 13,2007 — 13-19, 3.6.2.4)

A

Nozzles

127
Q

When welding sprinkler fittings: (NFPA 13,2007 - - - 6.5.2.4.6 (6) )

A

Shall not be modified

128
Q

The stock of spare sprinklers shall include all types and ratings installed and shall be as follows; for protected facilities haing under 300 sprinklers, no fewer than: (NFPA 13, 2007 — 13-28, 6.2.9.5 (1) )

A

6

129
Q

(61)Check valves other than those in two-way fire department and fire pumpline shall be provided with an O.S. & Y. or indicating shut off valve (with indicator readily visible from the floor) that is flanged, mechanically coupled or wafer type and connected to the; (NFPA, 2007 — S-40, 6.3.1.1Q — NFPA 14, 2003 — S-59, 6.2.1)

A

Inlet and outlet of such check

130
Q

Used sprinkler heads are allowed to be re-used if refurbished: (NFPA 13, 2007 — 13-27, 6.2.1)

A

Only new sprinklers shall be installed

131
Q

Test 3.2 Question

A

Answer

132
Q

Of the following statements, the one that is INCORRECT to the safe and proper handling of an oxy-acetylene fuel torch:

A

Always use a petroleum-based lubricant to lubricate all valves and regulators

133
Q

Of the following types of copper the one that has the greatest wall thickness:

A

Type “K”

134
Q

Dry-barrel hydrant (frost proof hydrant), a drain is located at the bottom of the barrel above the control valve seat for proper drainage after operation to: (NFPA 25, 2014 — 25-76, A.3.3.12.1 — See Figure: A.3.3.12 (a) page 25-77)

A

Prevent freezing

135
Q

A threaded fitting used to join two-pipes sections of the same diameter is known as:

A

Tee

136
Q

Pressure tanks shall be supplied with water through a fixed pipe, independent of the standpipe riser and at least: (NFPA 14, 2007 - - - S-72, 9.1.4 (3)(c) - - - NFPA 14,2003 - - -S-89,9.1.4(3)(C) )

A

2-inch

137
Q

when working on a sprinkler system and the water supply has to be shut off, the contractor:

A

Inform the alarm company that the system is going off line

138
Q

Assume you have assigned 12-fitters to installing a fire suppression piping system that must be completed in 10-days. At the end of 8-days only 3/4 of the job is completed. In order to complete the job on time, you should assign a minimum:

A

4-extra fitters

139
Q

(34) in the sentence “there shall be no waiver of rights” in the above paragraph, the word “waiver” means most nearly

A

Revoking

140
Q

When installing sectional valves on standpipe risers, riser control valves shall be provided at maximum _______ increments in all standpipe risers’: (NFPA 14,2007 — S-41, 6.2.2Q(1) — NFPA 14,2003 — S-59, 6.2.2(1) )

A

100-foot

141
Q

Pipe identification shall include: (NFPA 13, 2007 —- 13-29, 6.3.8.2)

A

Manufacturer’s name / Model designation / Schedule

142
Q

Screwed unions shall not be used on pipe larger than: (NFPA 13, 2007 — 13-30, 6.4.5.1)

A

2-inch

143
Q

Standpipe systems that include more than one riser shall have all risers ___________at, or below, the street entrance floor level, except as otherwise provided in this section: (NFPA 14,2007 - - - S-51, 7.5Q(1) - - - NDPA 14,2003 - - - S-70, 7.5(1) )

A

Cross connected

144
Q

The basic difference between a pre-action and a deluge sprinkler system: (NFPA 13, 2007 – Definitions, 13-18, 3.4.3)

A

All sprinkler heads will discharge

145
Q

The steel pipe has been specified to be used in an installation of a sprinkler system. The Maximum distance between hangers for support for a horizontal 1-inch steel pipe: (NFPA 13, 2007 — 13-97, Table 9.2.2.1 (a) )

A

12- feet

146
Q

2-inch nominal size pipe is going through a floor (sleeved) in accordance with the recommended practice. The minimum size of schedule-40 pipe that can be used as a sleeve for the pipe (subject to earthquakes): (NFPA 13, 2007, S-48 7.1* — NFpa 14,2003, S-68, 7.1*)

A

4-inch

147
Q

Two-way fire department connections shall be provided in maximum two-way fire department connection zone heights of ______ feet (15 240-mm), supplying no more than two- standpipe zones: (NFPA 14, 2007 - - - S-28, 4.8.2.2Q (j) - - - NFPA 14, 2003 - - - S-50, 4.8.2.2(j) )

A

600

148
Q

If you had a commercial bank account with a monthly fee of $25.00/month, with a $0.25/check charge and you wrote 3-checks, what would your total monthly service charge be

A

$25.75

149
Q

If a pressure gauge reads 74-psi at the top of a 75-foot building, what is the pressure at the siamese

A

106.5-psi

150
Q

One of your workers is using an oxy-acetylene torch for making up a brazed joint. Of the following types of flames the one that a worker should avoid:

A

Oxidizing flame

151
Q

Each two-way fire department connection shall be provided with caps painted red, and shall have the word “STANDPIPE” in letters 1-inch high and 1/8-inch deep cast in the body or on a non ferrous metal plate secured to the connection or mounted in the wall in a visible location, except that the caps if each two-way fire department connection used for combination standpipe and sprinklers systems shall be painted _________ and the words shall read “COMBINATION STANDPIPE AND SPRINKLER SYSTEMS”. Where two-way fire department connections server other than the entire building, the connections shall be marked in accordance with the specifications of this section “LOW ZONE” or “HIGH ZONE” and indicates the floors served: (NFPA 14,2007 - - - S-46, 6.4.5.2Q - - - NFPA 14, 2003 - - - S-64, 6.3.5.2)

A

Yellow

152
Q

Test 3.6 Question

A

Answer

153
Q

piping materials are listed at $1000. If 15%, 10% & 8% discount is allowed, the net purchase cost is most nearly:

A

$820.00

154
Q

Threaded sections of rods shall: (NFPA 13, 2007 – 13-94, 9.1.2.6)

A

Not be threaded

155
Q

A 3/4- inch automatic ball drip valve shall be placed between the two-way fire department connection and the check valve, except that on a fire boat two-way fire department connection, a ____________ open drip without a shutoff, may be used. Automatic ball grips shall be placed horizontal position: (NFPA 14, 2007 - - - S-28, 4.8.2.2 (i) - - - NFPA 14, 2003 - - - S-50, 4.8.2.2(i) )

A

1/2-inch

156
Q

One of your workers is using an oxy-acetylene torch for making a brazed joint. Of the following type of flames, the one that the worker should avoid:

A

Oxidizing flame

157
Q

A non-indicating valve, such as an underground gate valve with approved roadway box, complete with T-wrench, and where accepted by the authority having jurisdiction:

A

Shall be permitted

158
Q

Of the following classifications of a pipe niple, a pipe nipple that is approximately twice the length of the pipe is called:

A

Shallow nipple

159
Q

A sprinkler having special deflectors that are designed to discharge most of the water away from the nearby wall in a pattern resembling one-quarter of a sphere, with a small portion of the discharge directed at the wall behind the sprinkler: (NFPA 2007, 13-20, 3.6.3.5)

A

Sidewall Sprinkler

160
Q

(11)Bending of schedule-40 and copper tubing, the minimum radius of a bend shall be ___ pipe diameters for pipe sizes 2-inch (51-mm) and smaller and ___ pipe diameters for pipe sizes 2-1/2-inches (65-mm) and larger: (NFPA 13,2007 — 13-29, 6.3.7.2)

A

5,4

161
Q

Referring to question #50, the minimum size cross connection in standpipe systems for all other riser combinations shall be: (NFPA 2007 - - - S-52, 7.5Q (4) - - - NFPA 14,2003 - - - S-70, (4) )

A

6-inches

162
Q

A pipe that rises vertically and supplies a single sprinkler: (NFPA 13,2007 — 13-19, 3.5.6)

A

Sprig

163
Q

A supply of spare sprinklers shall be maintained on the premises so that any sprinklers that have operated or been damaged in any way can be promptly replaced minimum amount shall be: (NFPA 13, 2007 — 13-28, 6.2.9.5.1*)

A

6

164
Q

The property owner or designated representative shall ensure that water-filled piping is maintained at a minimum temperature to 40 F (4 C) unless an approved antifreeze solution is utilized: (NFPA 25, 2014 - - - 25-13, 4.1.2)

A

40 F (4 C)

165
Q

of the following types of valves an indicator valve would be: (NFPa 13,2007 — 3-21, 3-8.1.15.2)

A

A valve that has components that show if the valve is open or closed / Outside screw and yoke ( O.S & Y) gate valve / underground gate valves with indicator post

166
Q

Main drain test connections shall be provided at locations that will permit flow tests of water supply connections. MAin drain test connections shall be so installed that the valve can be opened wide without causing water damage. Main drain connections shall be sized accordingly; if the standpipe size is 4-inch or larger, the drain shall be:(NFPA 14, 2007, S-61, TAble 11.2.3 — NFPA 14, 2003, S-82, Table 7.12.2.2)

A

2” only

167
Q

When installing a hydraulic information sign, the installation contractor shall provide a sign identifying the basis of the system design as: ( NFPA 14, 2007, S-47, 6.8.1 — NFPA 14, 2003, S- 66, 6.7.1)

A

Hydraulic calculations / Pipe schedule

168
Q

Listed indicating values shall not close in less than ________ when operated at maximum possible speed from the fully open position: (NFPA 13,2007 — 13-32, 6.7.1.2)

A

5-Seconds

169
Q

An order of piping materials is discounted at 20%; if this represents $240.00, the actual sales price is:

A

$960.00

170
Q

The pump capacity of a multi-stage centrifugal fire pump is rated on:

A

The discharge of one stage in gallons per minute

171
Q

a certain piece of equipment with a list price of $4,800.00 is reduced by $600.00, the percent saving is:

A

12-1/2%

172
Q

Double-extra-strong wrought steel pipe approximately corresponds to:

A

Schedule-40

173
Q

Test 3.3 Question

A

Answer

174
Q

(35)In the phrase “the right is reserved upon approving government authorities” in the above paragraph, the word “reserved” means most nearly

A

Kept

175
Q

If a building is 50-feet tall and you have 60-pounds of pressure at the base of the building, what is the residual or static pressure at the top if the building

A

38-pounds

176
Q

Joints for the connection of copper tube or threadless pipe shall be brazed. Brazing filler metal may be used when classified: (ASTM B 828 — NFPA 14, 2007, S-22, 4.4.4* —- NFPA 14,2013, S-42, TAble 4.2.1)

A

BCuP-3 / BCuP-4

177
Q

A low-pressure pump would be used in conjunction with: (study material for “fire pumps”)

A

An automatic flow control valve

178
Q

(50)Cross connections shall be at least as large as the largest riser supplied by the cross connection. However, when supplying two, but not more than four 4-inch risers, the criss connection shall not be less than: (NFPA 14, 2007 - - - S-52, 7.5Q (4) - - - NFPA 14,2003 - - - S-70, 7.5(4) )

A

5-inches

179
Q

In new sprinkler installations expected to supply sprinklers below ceilings, a minimum ____ inch outlets shall be required: (NFPA 13, 2007 — 13-73, 8.14.19.1*)

A

1

180
Q

Solder joints shall be permitted for _________ wet pipe systems in light hazard occupancies where the temperature classification of the installed sprinklers are of the ordinary- or intermediate- temperature classification: (NFPA 13, 2007 — 13-31, 6.5.4.3)

A

Concealed

181
Q

Of the following types of wrenches the one which is most nearly resembles a tool for installing or replacing a sprinkler head:

A

Double open-end wrench

182
Q

Copper tubing as specified in the standards referenced in Table 4.2.1 for standpipe systems shall have a wall thickness of type: (NFPA 14,2007 — S-14, 4.2.5)

A

“k”/ “L” / “M” /

183
Q

From the following, the best tool to use to remove burrs from the inside of a steel pipe:

A

Spiral reamer

184
Q

Minimum operating pressures of any sprinkler shall be (NFPA 13, 2007 — 13-216, 22.4.4.10.1)

A

7-psi (0.5-bar)

185
Q

Class III standpipe systems shall be installed throughout the following buildings; in buildings 2 story or more in height with floor area of: (NYC Building Code 2014, 905.3.1(1.) — NFPA 14, 2003 — S- 94 9.3.1)

A

10,000 square-feet or greater on any story

186
Q

In a sprinkler installation, the pipe supplying cross mains, either directly or through risers: (NFPA 13, 2007 — 13-19, 3.5.3)

A

Feed Mains

187
Q

If water flowing in a pipe is carrying 30-gallons if water,then tee’s off 6-gallons of water, what would the remaining water flowing in the pipe be

A

24-gallons

188
Q

System components shall be rated fort the maximum system working pressure to which they are exposed but shall not be rated at less than _____ psi for components installed above ground and ______ psi for components installed underground: (NFPA 13, 2007 — 13-26, 6.1.3)

A

175, 150

189
Q

A valve has the number 150 cast on the side of the valve, the number 150 indicates the:

A

Pressure rating of the valve

190
Q

For extra hazard occupancies, palletized, solid pile, in bin box, on shelf storage the maximum operating pressure of any sprinkler shall be (NFPA 13, 2017 — 13-217, 22.4.4.11)

A

175-psi

191
Q

In the installation of a standpipe systems, horizontal piping hangers shall be spaced at a maximum separation of: (NFPA 13, 2007, 1-97, Table 9.2.2.1(a) —- NFPA 14, 2003 — S-66, 6.4.2.2)

A

15-feet

192
Q

The water storage quantities required for the pressure tanks are met with an additional volume equivalent to _____ of the required water storage space provided for the air required. An air compressor is provided with suitable automatic control and sufficient capacity to build air pressure of at least ____ psig (517 kPa in the tank within ___ hours and to maintain thereafter an air pressure between __________ psig (482 to 552 kPa). Air-to-water ratio shall be 1`to 2 by volume. (NFPA 14, 2007, S-73, 9.5Q (3) (a), (b) (c), & (d) )

A

1/2, 75, 55, 50 and 60

193
Q

Paddle-type water-flow alarm indicators shall be installed in :(NFPA 13, 2007 — 13-33, 6.9.2.4*)

A

Wet systems only

194
Q

In a standpipe system, where a manifold is located other than within a heated stair enclosure, the control valve shall be located in a horizontal run of piping: (NFPA 14, 2003 - - - S-69, 7.3.2.2)

A

Below the roof

195
Q

If 10-fitters can put up 100-feet of sprinkler pipe in 4-hours, how many fitters are needed to put up 1500-feet of pipe in 25-hours

A

24-fitters

196
Q

The Stock of spare sprinklers shall include all types and ratings installed and shall be as follows; for protected facilities having over 1000-sprinklers, no fewer than: (NFPA 13,2007 —- 13-28, 6.2.9.5(3) )

A

24

197
Q

A standpipe system is primarily used for

A

Fire-fighting operations

198
Q

Fire department connections shall be placed between:(NFPA 14,2007 — S-28, 4.8.2.2(g) — NFPA 14,2003 — S-49, 4.8.2.2(g) )

A

18-Inches and 36-inches

199
Q

Horizontal piping from the standpipe to hose connections that are more than ________________ in length shall be provided with hangers: (NFPA 14, 2003 - - - S-66, 6.4.2.1)

A

457-mm (18- inches)

FSC Test (8 decks)

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