Alarms

Question 1

The button, magnetic switch, or thermostat that will cause system to alarm

Answer 1

Actuator

Question 2

This is the monitor. Technically, it is the visual or audible signaling device that indicates conditions of the associated circuits.

Answer 2

Annunciator

Question 3

The property of two or more objects which enables them to store electrical energy in an electrostatic field between them.

Answer 3

Capacitance

Question 4

Records a change in capacitance or electrostatic fields to detect penetration through windows, ventilators, and other openings

Answer 4

Capacitance Proximity Sensor

Question 5

Can be used to detect attempted penetration into safes or storage cabinets

Answer 5

Capacitance Proximity Sensor

Question 6

Material which transmits electric current

Answer 6

Conductor

Question 7

Examples of material which transmits electric current

Answer 7

Wire and cable

Question 8

The terminal box for all sensors

Answer 8

Control Unit

Question 9

A term applied to a system designed so that if a component fails to function properly, the system will, by a signal or otherwise, indicate its incapacity

Answer 9

Fail-Safe

Question 10

Used to call for assistance

Answer 10

Duress sensor

Question 11

What does a duress sensor consist of?

Answer 11

A hand or foot operated switch

Question 12

Activation of sensors for which no cause can be determined

Answer 12

False Alarm

Question 13

The combination of components to include sensors, control units, transmission lines and monitor units integrated to operate in a specified manner

Answer 13

Intrusion Detection System

Question 14

Devices that initiate alarm signals by sensing the stimulus, change, or condition for which designed

Answer 14

Intrusion Detection Sensors

Question 15

An electronic bell for outdoor or indoor use in the vicinity of a protected area

Answer 15

Local Audible Alarm

Question 16

A radio/radar frequency (RF) transceiver which detects motion

Answer 16

Microwave sensor

Question 17

A microwave sensor has a frequency range of GHz, which is what?

Answer 17

a billion cycles per second

Question 18

A device that senses and reports on the condition of the system

Answer 18

Monitor

Question 19

Detects movement inside the area to be protected

Answer 19

Motion Sensor

Question 20

Detects the sounds of forced entry throughout walls, ceilings, and doors

Answer 20

Passive Ultrasonic Sensor

Question 21

Detects entry through doors, windows, walls, or any other openings into the protected area

Answer 21

Penetration Sensor

Question 22

An interruption of a light beam transmitted to the receiver causes this to alarm:

Answer 22

Photoelectric System

Question 23

A photoelectric system consists of what 2 separate units?

Answer 23

1) a transmitter

2) a receiver

Question 24

The frequency range of sound that is above the capabilities of normal human hearing

Answer 24

Ultrasonic

Question 25

In intrusion detection systems, ultrasonic is used in what range?

Answer 25

Between 21,500 and 26000 Hz (cycles per second)

Question 26

Detects by frequency shift the motion of an intruder inside the protected area

Answer 26

Ultrasonic Motion Sensor

Question 27

Detects forced entry through metal barriers placed over windows and ventilators or attempts to drill, saw, or cut through walls, ceilings, floors or doors

Answer 27

Vibration Sensor

Question 28

What are the 3 purposes of intrusion detection alarm systems?

Answer 28

1) To economize on people 2) To substitute in place of other security measures 3) To supplement by providing additional controls

Question 29

What are the 5 basic principles of operation of intrusion detection systems?

Answer 29

1) Breaking of an electrical circuit 2) Interrupting a light beam 3) Detecting sound 4) Detecting vibration 5) Detecting a change in capacitance due to penetration of an electrostatic field

Question 30

What are the 4 types of electro-mechanical alarm systems?

Answer 30

1) Metallic foil 2) Magnetic switches 3) Wire service detection 4) Pressure mats, ribbons, or wafers

Question 31

What are the 6 types of Volumetric alarm systems?

Answer 31

1) Capacitance 2) Vibration 3) Microwave 4) Ultrasonic 5) Passive Infrared 6) Photo Electric

Question 32

Type of alarm system: The protective circuits activate a visual or audible signal in the immediate vicinity of the object of protection

Answer 32

Local alarm system

Question 33

Type of alarm system: This system is one in which the installation-owned system is a direct extension of the police and/or fire alarm systems.

Answer 33

Auxiliary system

Question 34

What is the least effective alarm detection system?

Answer 34

Auxiliary

Question 35

Type of alarm system: In this system, alarms are transmitted to a central station outside the installation from which appropriate action is taken to notifying local police or fire departments

Answer 35

Central station system

Question 36

Type of alarm system: It is similar to the central station system except is owned by, and located on, the installation.

Answer 36

Proprietary system

Question 37

Which alarm detection system responds to alarms with the installation's own security or firefighting personnel?

Answer 37

Proprietary system

Question 38

What are the 3 basic parts of an alarm system?

Answer 38

1) Sensor 2) Circuit 3) Annunciator

Question 39

What does the sensor do?

Answer 39

It's the triggering device

Question 40

What does the circuit do?

Answer 40

Carries the message to the signaling apparatus

Question 41

What does the annunciator do?

Answer 41

It is the signaling system or device

Question 42

What are the 4 functions an alarm system could have?

Answer 42

1) Detection of fire 2) Detection of intrusion 3) Emergency notification 4) Monitoring of equipment or facility conditions

Question 43

What estimated percentage of all alarms are false?

Answer 43

90-98%

Question 44

What are the 3 most common causes of false alarms?

Answer 44

1) User negligence 2) Poor installation or servicing 3) Faulty equipment

Question 45

CCTV consists of what 4 elements?

Answer 45

1) Television cameras 2) Monitor 3) Connecting circuits 4) Power source