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Final Review > Quizes > Flashcards

Quizes Flashcards

1
Q

The ____ alarm system is generally used in schools, hospitals or facilities where security personnel are on premises 24 hours a day.

A

supervisory

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2
Q

List 3 categories into which all security alarm systems can be placed

A

Local, supervisory, central station

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3
Q

What type of detector is designed to prevent false alarms?

A

dual technology

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4
Q

What types of facilities are protected by central station alarm systems?

A

commercial business

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5
Q

Which of the following best describes the break gap of a normally closed magnetic switch?

A

Distance between the magnet and contact when the circuit opens.

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6
Q

A ____ switch can be used to trigger an alarm when someone has opened a security system control panel door.

A

tamper

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7
Q

What types of indication devices are used with local area alarm systems?

A
  • light, sirens
  • bells
  • telephone dialers
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8
Q

What is the best mounting location on a door for a roller plunger switch?

A

hinge side of the door

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9
Q

How much time does an acoustic sensor have to determine whether a sound is a glass break event or a false alarm

A

one tenth of a second

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10
Q

Why should you field test acoustic sensors?

A

to ensure proper operation and location of the sensor

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11
Q

In order to trip, a PIP detector requires a ____ degree change in temperature.

A

3.6

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12
Q

A ____ card is a credit card type used to control access to a specific area.

A

magnetic strip

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13
Q

What type of security protection is intended to provide protection to one specific location?

A

area

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14
Q

The alarm ____ is used as a remote burglar alarm indicating device.

A

bell

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15
Q

One benefit of bright lights and loud bells is that they produce ____ effect which tends to drive the intruder away from the protected area.

A

psychological

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16
Q

what type of motion sensor does not emit any energy of its own?

A

PIP

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17
Q

Where is the best mounting location for a motion detector?

A

In an area where there is a high probability of an intruder crossing its path.

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18
Q

What type of glass breaks into large jagged pieces?

A

plate

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19
Q

What frequencies travel through breaking glass, surrounding frame and walls?

A

shock frequencies

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20
Q

What is the most common type of lens found in a PIR?

A

Fresnel

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21
Q

A pyroelectric sensor is a

A

transducer

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22
Q

Acoustic sensors can only detect glass which is in ____ with the sensor.

A

direct line of slight

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23
Q

A term used to describe a locking device that unlocks when there is a power or equipment failure is ____.

A

fail safe

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24
Q

Another name for an ambush code is ____.

A

duress code

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25
Q

which of the following detectors is most affected by ambient temperature change?

A

PIR

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26
Q

Duct detectors are usually required on systems with a capacity over ____.

A

2,000 cfm

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27
Q

Which of the following are usually found on shop drawings?

A
  • device addresses
  • cable/conductor routing
  • cable schedules
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28
Q

Secondary power supplies must supply power to protected premises fire alarm systems for a minimum of ____-

A

24 hours of standby time followed by 5 minutes of alarm

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29
Q

A blocking diode is used to prevent monitoring current from passing though ____.

A

notification appliances

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30
Q

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

A

1971

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31
Q

Corridor visual notification devices must be installed a maximum of ____ from each end of the corridor.

A

15 feet

32
Q

Secondary power supplies must supply power to an emergency voice/alarm communication fire alarm system for a minimum of ____.

A

24 hours of standby followed by 15 minutes of alarm.

33
Q

A smoke alarm with an integral strobe must be mounted at ____ below the ceiling where intended to be used for sleeping rooms.

A

4-12 inches

34
Q

When an engine driven generator is used to provide secondary power, a minimum of ____ hours of batteries are required for backup.

A

4

35
Q

Pressure supervisory switches must indicate ___ PSI from normal pressure.

A

10

36
Q

Fusible link technology is used for ____ detectors.

A

heat

37
Q

Water flow switches are permitted to have a time delay of up to ____ .

A

90 seconds

38
Q

The minimum required SPL for private mode signaling is ____ ambient sound level.

A

10dbA above average of 5 dbA above minimum

39
Q

May a combination burglary/fire alarm system listed for household use to be used in small mercantile occupancy?

A

This installation is not permitted by code.

40
Q

A high rise is defined as a structure or building where the highest occupied level is more than ____ above the lowest level of fire department access.

A

75 feet

41
Q

smoke detectors installed in elevator lobbies for elevator Phase 1 recall must be installed within ____ feet of the centerline of each elevator car controlled by the detector.

A

21

42
Q

Where the elevator hoist way and machine room are sprinklered, heat detectors are required within ____ of ____ sprinkler.

A

2 feet / every

43
Q

Fire alarm circuit conductors above a suspended ceiling may use ____ support.

A

building structure

44
Q

The minimum required SPL for public mode signaling is the greater of ____ sound level.

A

15dbA above average ambient of 5dbA above maximum

45
Q

Monitoring for integrity is intended to detect ____.

A
  • opens
  • grounds
  • loss of operating power
46
Q

The listed spacing of smoke detectors is ____ feet.

A

(there is no listed spacing)

47
Q

Visible notification appliances must be mounted at between ____ above the finished floor.

A

80 and 96 inches

48
Q

The AHJ may require ____ when information displayed on a combination system annunciator is excessive.

A

two separate displays

49
Q

A control relay or control module must be located within ____ of the controlled circuit or device.

A

3 feet

50
Q

Smoke a fire barriers are usually located on the ____ drawings.

A

life safety plan

51
Q

What is the single most important rigging precaution?

A

knowing the size and the weight of the load

52
Q

Proper rigging procedures consist of:

A
  • rigging operation
  • supply and care
  • planning
53
Q

What are the two requirements as to where a signalman must be stationed moving when a load?

A
  • must be able to see operator

- must be able see the path of the load

54
Q

the most common job site injury is

A

back

55
Q

Both fists in front of the body with the thumbs pointing outward means:

A

extend boom

56
Q

Arm extended, fingers closed, thumb pointing upwards means:

A

raise boom

57
Q

what is the most frequent killer of riggers and load handlers working with a crane boom?

A

electrocution

58
Q

who is responsible for the rigging operation?

A

foreman

59
Q

What must be worn when handling wire rope?

A

heavy duty leather gloves

60
Q

When using choker hitches, DO/DO NOT force the eye down towards the load once tension is applied.

A

Do not

61
Q

What conditions must be considered when stacking material?

A

location, size, weight

62
Q

Moving material by hand can cause what type of injuries?

A

Back - sprains, fractures

Shoulder - crushed, crippling, fatality

63
Q

A sheave is a type of :

A

wheel

64
Q

Sling angle of a load should always be greater than ____ degrees.

A

45

65
Q

A sling should never be run through a pair of eye bolts. A pair of _____ should be used.

A

shackles

66
Q

When turnbuckles are used with hook-end fittings, they must be fitted with ____.

A

safety catches

67
Q

The ____ rope should never be wrapped around a load. ____ should be used to attach the load to the hook.

A

hoist / slings

68
Q

When slings or ropes are wedged under a load, to remove them:

A

lift load to remove

69
Q

What is the Center of Gravity of an object?

A

the point at which the object will balance

70
Q

The center of gravity of a stable load is ____ ____ the main hook.

A

directly under

71
Q

The snatch block eliminates the need to ____ the rope through the ____.

A

thread / block

72
Q

When is it allowed to make temporary repairs on a sling?

A

never

73
Q

Shackle & Hook, Standing and Fall Blocks, Fibre or Nylon rope

A

components of a tackle block

74
Q

Spreaders and equalizer beams serve the purpose of :

A

divide the load equally in sling legs

75
Q

The plain or shoulder less eye bolt should be used for ____ loading only.

A

vertical

76
Q

Shackles are sized by the diameter of the steel in the ____ rather than the ____size.

A

Bow / Pin

77
Q

All support points must lie ____ the central of gravity.

A

above

Final Review (2 decks)

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