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2nd year > FA4 > Flashcards

FA4 Flashcards

1
Q

Notification appliances used outdoors may result in ___ unless listed for such use.

a. ground faults b. open circuits
c. both a and b d. none of the above

A

a. ground faults

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2
Q

Mechanical covers or protection for notification appliances may ____.

a. reduce the effectiveness of the appliance
b. require derating of the appliances
c. require reduced spacing of the appliances
d. all of the above

A

d. all of the above

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3
Q

Installation instructions for notification appliances are found on the _____.

a. product cut sheet b. product itself
c. product package d. none of the above

A

a. product cut sheet

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4
Q

Can a visible notification appliance (strobe) that is listed for wall mounting be used on a ceiling? explain.

A

No - the strobe won’t flash right and must be listed for its use

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5
Q

The type of audible appliance used for EVAC systems is a ____

a. bell b. horn
c. siren d. speaker

A

d. speaker

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6
Q

Which of the following is an audible textural appliance?

a. bell b. horn
c. piezoelectric d. speaker

A

d. speaker

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7
Q

Both audible and visible appliances can be wired on the same circuit. True or False

A

True

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8
Q

Sound pressure level (SPL) is always measured using the ____ scale.

a. A-weighted b. B-weighted
c. C-weighted d. D-weighted

A

a. A-weighted

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9
Q

Visible notification appliances are required when the ambient sound pressure level (SPL) is greater than ___

a. 85 dBa b. 95 dBa
c. 105 dBa d. 115 dBa

A

c. 105 dBa

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10
Q

The minimum required sound pressure level (SPL) for public mode signaling is the greater of ___ above the average ambient or five dB above the maximum SPL lasting a minute or more, using the A-weighted scale (dBa)

a. 5 dB b. 15 dB
c. 25 dB d. 35 dB

A

15 dB

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11
Q

The minimum required sound pressure level (SPL) for public mode signaling is ___ above the average ambient or five dB above the maximum SPL lasting a minute or more, using the A-weighted scale (dBa)

a. 10 dBa b. 15 dBa
c. 20 dBa d. 25 dBa

A

a. 10 dBa

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12
Q

Audible notification appliances must be mounted ___ above finished floor and not less than ___ from the ceiling.

a. 80” / 4” b. 90” / 4”
c. 80” / 6” d. 90” / 6

A

d. 90” / 6

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13
Q

Combination audible/visible notification appliances must be mounted so the entire lens is ___ above finished floor.

a. 80-86” b. 80-90”
c. 80-86” d. 80-96”

A

d. 80-96”

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14
Q

Private mode signaling is permitted in _____.

a. corridors b. elevator cars
c. lobbies d. private offices

A

b. elevator cars

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15
Q

A sleeping room with an ambient sound pressure level of 45 decibels A-weighted (dBa) must have ____ at the pillow.

a. 55 dBa b. 60 dBa
c. 70 dBa d. 75 dBa

A

d. 75 dBa

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16
Q

A speaker tapped at its highest setting may suffer from ____

A

distortion

17
Q

Visible notification appliances used for public mode signaling (for the hearing impaired) must be listed to UL ___.

a. 864 b. 995
c. 1124 d. 1971

A

d. 1971

18
Q

According to NFPA 72, the lenses of visible notification appliances for non-sleeping areas must be mounted ___ above the finished floor.

a. 80-86” b. 80-90”
c. 80-96” d. 90-96”

A

c. 80-96”

19
Q

According to NFPA 72, a 20’ x 20’ room or an area with a 10’ ceiling is best covered by a ___ visible notification appliance, centered on one wall.

a. 15 cd b. 30 cd
c. 60 cd d. 75 cd

A

a. 15 cd

20
Q

Visible appliances in sleeping areas must be within ____ of the pillow.

a. 16’ b. 20’
c. 24’ d. 28’

A

a. 16’

21
Q

Sleeping area visible appliances mounted 21” from a ceiling must have a minimum rating of ____.

a. 75 cd b. 95 cd
c. 110 cd d. 177 cd

A

d. 177 cd

22
Q

The maximum spacing of visible appliances used in a corridor is ____.

a. 15’ b. 30’
c. 50’ d. 100’

A

d. 100’

23
Q

A 20’ x 20’ room with a 30’ high ceiling requires a minimum ____ ceiling-mounted strobe.

a. 30 cd b. 55 cd
c. 75 cd d. 110 cd

A

b. 55 cd

24
Q

___ is an example of a textural visible display.

A

LED Panel, CRT Monitor, Printer

25
Q

Strobes must be synchronized when there are ____.

a. ceiling-mounted appliances
b. more than two appliances in a room
c. multiple appliances that can be viewed from outdoors.
d. none of the above

A

b. more than two appliances in a room

26
Q

Corridor visible notification appliances must be installed a maximum of ___ from each end of the corridor.

a. 10’ b. 15’
c. 20’ d. 25’

A

b. 15’

27
Q

Corridor visible notification appliances can be mounted on the end wall of the corridor. True or False

A

True

2nd year (46 decks)

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