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NFPA 58 > Chapter 5 - LP Gas Equipment And Appliances > Flashcards

Chapter 5 - LP Gas Equipment And Appliances Flashcards

1
Q

Containers shall be _____, _____, ______, and _____ In accordance with the regulations of the department of transportation.

A

Designed, fabricated, tested, and marked

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2
Q

Containers that have been involved in a fire and show no distortion shall be _________ for continued service before being used or reinstalled

A

Requalified

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3
Q

ASME or API – ASME containers shall be retested using the _____ test procedure applicable at the time of the original fabrication

A

Hydrostatic

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4
Q

Containers that show excessive denting, bulging, gouging, or corrosion shall be _____________.

A

Removed from service

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5
Q

Field welding shall be permitted only on _____, _____, _____, _____, or ______ that are attached to the container by the container manufacturer

A

Saddle plates, lugs, pads, or brackets

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6
Q

Containers for general use shall not have individual water capacities greater than ___________.

A

120,000 gallons

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7
Q

Heating or cooling coils shall not be installed _______ storage containers

A

Inside

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8
Q

ASME containers installed underground, partially underground, or as a mounded installation shall incorporate provisions for_____

A

Cathode protection And shall be coated

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9
Q

Cylinders failed on site at the point of use shall be requalified in a accordance with

A

DOT requirements

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10
Q

Cylinders filled on site at the point of use shall be visually inspected within ______ and within every _____ thereafter

A

12 years, 5 years

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11
Q

A cylinder that passes, the visual examination is marked with the month and year of examination, followed by the letter ____ indicating requalification

A

E

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12
Q

The results of the visual inspection are documented, and a record of the inspection is retained for a _________

A

Five year period

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13
Q

In addition to the applicable provisions for horizontal ASME containers, vertical ASME containers over _____ Shall comply with 5.2.4.3 A through 5.2.4.3 E

A

125 gallons

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14
Q

The maximum allowable working pressure shall be at the top head, with allowance made for increased pressure on the lower shell sections and the bottom head due to the _______

A

Static pressure of the product

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15
Q

Windspeeds shall be based on a mean occurrence interval of

A

100 years

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16
Q

Shop fabricated containers shall be fabricated with ___________ or other means to lift the container

A

Lifting lugs

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17
Q

Cylinders shall be designed and constructed for at least a _______ service pressure

A

240 psig

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18
Q

ASME containers of more than _____ gallons through 2000 gallons water capacity that are designed to be filled volumetric shall be equipped for filling into the vapor

A

30 gallons

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19
Q

ASME containers of 126 gallons through 4000 gallons water capacity in other than bulk plant and industrial occupancies shall be provided with an opening for an ______

A

Actuated liquid withdrawal excess flow valve with a connection, not smaller than 3/4 inch NPT

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20
Q

ASME containers of more than 4000 gallons shall have an opening for a ________

A

Pressure gauge

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21
Q

ASME containers in storage or use shall have pressure relief valve connections that have direct communication with ____ ______ of the container

A

Vapor space

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22
Q

If the pressure relief valve is located in any portion, other than the________ of the ASME container, the connection shall be internally piped To the uppermost point practical in the vapor space of the container

A

Uppermost point

23
Q

ASME containers to be filled on a volumetric basis_____ so that they can be equipped with a fix maximum liquid level gauge

A

Shall be fabricated

24
Q

Vertical ASME containers over _______ water capacity for use in permanent installations stationary service shall be designed with steel supports that allow the container to be mounted on and fastened to concrete foundations or supports

A

125 gallons

25
Q

Steel support shall be protected against_______ with a material having a fire resistance rating of at least two hours

A

Fire exposure

26
Q

The bottom of container skids shall not be less than ____ or more than______ below the outside bottom of the tank shell

A

2 inches, 12 inches

27
Q

The marking specified for ASME containers shall be on a ______ Attached to the container, located to remain visible after the container is installed.

A

Stainless steel metal nameplate

28
Q

Gray cast iron shall:

A

Not be used

29
Q

Non-metallic materials, for bonnets or bodies of valves or regulators

A

Shall not be used

30
Q

Container apparatuses shall have a service pressure of at least

A

250 psi

31
Q

Gaskets should be made of metal or other material confined in metal having a melting point over _________ or shall be protected against fire exposure

A

1500°F

32
Q

When a flange is open, the gasket shall be

A

Replaced

33
Q

ASME containers shall be equipped with one or more __________ that are designed to relieve vapor

A

Pressure relief valves

34
Q

ASME containers for LP – gas shall be a equipped with direct ________ pressure relief valves conforming with the requirements of ANSI – UL 132

A

Spring loaded

35
Q

Relief valves for above ground ASME containers shall relieve before the pressure exceeds __________ the minimum permitted start to leak pressure setting of the device

A

120%

36
Q

Vapor inlet openings shall be equipped with either of the following: a positive shut off valve that is located as close to the container as practical in combination with either a backflow check valve or an excess flow valve installed in the container or

A

An internal flow valve

37
Q

Liquid level gauging devices shall be installed on all containers filled by

A

Volume

38
Q

Cargo tanks and ASME containers utilizing multiple fixed liquid level gauges having the loading percentage to the nearest _______ stamped adjacent to each gauge

A

2/10ths percent

39
Q

Pressure gauges shall be attached directly to the container, opening or valve or fitting that is directly attached to the

A

Container opening

40
Q

If the cross-sectional area of The opening into the container is greater than a _____ an excess flow check valve shall be provided for the container connection

A

Number 54 drill size

41
Q

Single stage regulators shall have a maximum outlet pressure of _____

A

1.0 PSIG

42
Q

Cast-iron pipe fittings

A

Shall not be used

43
Q

Brazing filler material shall have a melting point that exceeds

A

1000°F

44
Q

 Tank heaters shall be approved and shall be permanently and legibly marked with

A

Rated input to the burner in BTU per hour

45
Q

Tank heaters shall be approved and shall be permanently and legibly marked with the following a maximum vaporizing capacity in

A

Gallons per hour

46
Q

Tank heaters shall be approved and shall be permanently and legibly marked with the following, name or symbol of the

A

Manufacturer

47
Q

Direct gas fired tank heaters shall be designed exclusively for

A

Outdoor above ground use

48
Q

Vaporizing burners shall be constructed with a pressure rating of

A

250 psig

49
Q

Vaporizing burners shall be constructed with a safety factor of

A

5 to 1

50
Q

Pressure regulating, and control equipment shall be so located or so protected to prevent its exposure to temperatures above

A

140°F

51
Q

Hydrostatic relief valves designed to relieve hydrostatic pressure between closed shut off valves shall have pressure settings of not less than ______ or more than ______

A

400 psi, 500 psi

52
Q

Hydrostatic relief valves for use in systems designed to operate above 350 PSIG shall have settings not less than _____% and not more than _____% of the system design pressure

A

110%

125%

53
Q

Pressure containing metal parts shall be made of______, ______, ______, or _______

A

Steel, ductile iron, malleable iron, or brass

NFPA 58 (11 decks)

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