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year 3 2
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  • 問題数 55 • 6/12/2024

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    問題一覧

  • 1

    A supervising station that monitors protected premises under a single ownership is called a ? .

    proprietary station

  • 2

    Which of the following circuits is considered as a “zone” and connects only conventional initiating devices to a fire alarm control unit?

    idc

  • 3

    An EOL is generally required for which of the following?

    nac

  • 4

    ? specify “when and where.”

    Codes

  • 5

    Upon completion of a fire alarm system installation, a record of ? must be provided to the AHJ.

    completion

  • 6

    NFPA 72 requires fire alarm equipment to be installed in a location where the temperature will not drop below ? .

    32

  • 7

    Fire alarm system notification appliances have a blocking ? to assist with monitoring for integrity.

    diode

  • 8

    Wiring run in conduit between two fire alarm system enclosures that are separated by a distance of ? or less do not require monitoring for integrity.

    20’

  • 9

    An IDC monitors the integrity of the circuit ? .

    using a small current and an EOL

  • 10

    Where an engine-driven generator is used as a secondary power supply for a fire alarm system, batteries with at least ? of capacity are required.

    4 hours

  • 11

    Projected beam smoke detectors are well suited to ? .

    all of the above

  • 12

    Where firefighter’s telephones are required, a jack or station is generally required in which of the following locations?

    fire pump rooms

  • 13

    Visual fire alarm notification appliances in corridors must be mounted within ? of each end of the corridor.

    15’

  • 14

    Private mode signaling is provided by which of the following?

    All of these

  • 15

    A Class ? circuit is a fail-safe circuit.

    D

  • 16

    Smoke detectors may be installed in elevator hoistways only when the ?

    hoistway is sprinklered

  • 17

    Which type of signal may indicate an emergency other than a fire?

    MNS

  • 18

    Which of the following is not a method of preventing smoke migration?

    door unlocking

  • 19

    Systems that provide a total fire evacuation scheme are required to ? .

    none of the above

  • 20

    Class A outgoing and return fire alarm circuits, run vertically, should be separated by at least ? .

    1’

  • 21

    Which of the following is most likely to be found in fire alarm specifications?

    Training requirements

  • 22

    Fire alarm specifications are enforced by the ? .

    designer

  • 23

    Who usually develops fire alarm specifications?

    Designer

  • 24

    Installers must keep track of field changes by adding ? to the drawings.

    red lines

  • 25

    ? is a condition where burning fuel produces smoke without flames.

    Pyrolosis

  • 26

    When materials exothermically react to form simpler compounds ? is produced.

    heat

  • 27

    HVAC systems that deliver over ? generally require fan shutdown during a fire alarm situation.

    2,000 CFM

  • 28

    ? is an example of smoke control.

    Stair pressurization

  • 29

    Public fire reporting systems transmit which of the following signals?

    alarm

  • 30

    Proprietary fire alarm supervising stations only monitor accounts ? .

    under the same ownership

  • 31

    Remote fire alarm supervising stations are required to transmit ? signals.

    supervisory and alarm

  • 32

    The most common means of transmission of fire alarm data is ? .

    DACT

  • 33

    Which type of circuit has conductors that extend from the last device on the circuit back to the controls?

    class a

  • 34

    A short circuit causes an alarm on which of the following circuits?

    IDC

  • 35

    Failure to de-burr conduit often results in ? .

    ground faults

  • 36

    A single open circuit on a Class A fire alarm circuit results in a(n) ? , but ? devices/appliances operate.

    trouble / all

  • 37

    Non-commercial (private) power supplies for dwelling fire warning equipment or fire alarm systems must operate on standby (normal) for a period of not less than ? followed by at least ? of alarm.

    7 days / 4 minutes

  • 38

    Wall-mounted heat detectors must be mounted between ? and ? from a ceiling.

    4" / 12"

  • 39

    ? is an example of smoke control.

    Stair pressurization

  • 40

    Which of the following best describes Arena and Trade Show rigging?

    Rigging operations that involve precise placement and orientation of loads, temporary connections, indoor and outdoor work, and visual appearances.

  • 41

    The rules for Hoisting personnel are different from the rules for hoisting loads.

    true

  • 42

    A(n) gantry crane ? .

    design has two sets of legs supporting the ends of the bridge beam.

  • 43

    The ? is the maximum tension that a crane or hoist may be subjected to while maintaining the appropriate margin of safety.

    rated capacity

  • 44

    A crane is typically specified by its rated capacity.

    True

  • 45

    ? can be caused in mobile cranes by swinging or extending the boom rapidly, and in industrial and tower cranes by moving the trolley rapidly.

    Drift

  • 46

    ? loading is the application of a horizontal force on a boom due to the hoisting of a load that is not directly underneath the hoist hook.

    Side

  • 47

    An qualified engineer is required for lift planning ?

    if the lift requires equipment or procedures that are unusual and do not conform to established standards.

  • 48

    A civil engineer would be called upon to evaluate which of the following?

    both a. and b.

  • 49

    Loads may be hoisted over areas where personnel are present when warnings have been given.

    false

  • 50

    A(n) ? zone is an area where partially or completely suspended materials might land if they become loose from a load or if the rigging or crane fails.

    fall

  • 51

    ? involves maintaining both the stability and the orientation of the load.

    Load control

  • 52

    Personnel can easily rotate or hold a hoisted load by applying relatively light force on a ? .

    tag line

  • 53

    A ? is made to confirm load balance and stability.

    test lift

  • 54

    What must be determined so that a load remains stable and level when lifted?

    load's center of gravity

  • 55

    One alternate method to binding the ends of a fiber rope is to ? the rope end.

    all of the above