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5th Year, Week 1 (Building Automation 1&2, Orientation 3) > Building Automation Lvl 2 > Flashcards

Building Automation Lvl 2 Flashcards

1
Q

A ____ is a temperature-sensing element consisting of two dissimilar metal wires joined at the sensing end. Produces a very small voltage when heat is applied to it.

A

Thermocouple

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2
Q

A ____ is a temperature sensing element made from semiconductor material that changes its resistance in response to different temperatures.

A

Thermistor

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3
Q

What are some ways that ‘Resistance Temperature Detectors’ are different than thermistors?

A
  1. ) They are made from different materials (commonly platinum)
  2. ) Lower resistance
  3. ) Wider Range
  4. ) Slower response to temperature changes
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4
Q

A ____ is a switch that activates at temperatures above or below a given set point.

A

Thermostat

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5
Q

A ____ is a device that measures the amount of moisture in the air.

A

Hygrometer

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6
Q

Most hygrometers measure air moisture in percentage of ____-____.

A

Percentage of Relative Humidity. (%RH)

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7
Q

A ____ is a switch that activates at any humidity level above or below a given set point.

A

Humidistat

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8
Q

____ pressure is measured when you contrast the pressure readings of two separate points in a duct.

A

Differential

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9
Q

What is a transducer?

A

A device that converts one form of energy to another form of energy.

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10
Q

A(n) ____ measures the velocity of air within a duct.

A

Airflow station

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11
Q

A ____ is a closed metal container that heats water to produce steam or hot water.

A

Boiler

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12
Q

What are the two parts of an air conditioner?

A
  1. ) Evaporator

2. ) Condenser

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13
Q

A ____ heat pump uses the ground (below the frost line) as a heat source and heat sink.

A

Geothermal

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14
Q

A ____ is a water distribution pipe that routes a water supply vertically one story or more.

A

Riser

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15
Q

A ____ is a fitting that regulates the flow of water within a piping system.

A

Valve

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16
Q

Water flow can be measured as ____ or ____.

A
  1. ) Flow Rate

2. ) Total Flow

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17
Q

A ____ is a watertight, thermally conductive case for immersion-type temperature sensors within pipes, vessels, and fixtures.

A

Thermowell

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18
Q

Pumps that are installed to draw water from wells, empty sump pits, or to operate plumbing appliances would be classified as ____ - operated pumps.

A

Intermittently

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19
Q

What type of pump creates flow by trapping a certain amount of water in a chamber, and then forcing it out through a discharge outlet?

A

A positive displacement pump.

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20
Q

What type of valve controls water flow by partially opening or closing?

A

A Throttle Valve

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21
Q

What is a ‘TMV’ and what does it do?

A

“Thermostatic Mixing Valve”, Achieves the desired water temperature by mixing different amount of hot and cold water.

22
Q

What type of device is used to increase pressure to plumbing fixtures while water is already flowing?

A

Boost Pumps

23
Q

A ____ is used to push wastewater up to a sewer that is at a higher elevation than the lowest part of the building drain.

A

Lift Station

24
Q

What are the 4 basic functions of a Fire ALARM system?

A
  1. ) Alarm Notification (of occupants)
  2. ) Fire Detection
  3. ) Monitoring the fire suppression system
  4. ) Fire safety functions
25
Q

What are three types of signals put out by the Fire Alarm System?

A
  1. ) Supervisory
  2. ) Alarm
  3. ) Trouble
26
Q

The ____ is connected to the fire protection system circuits and interfaces with other building systems. It monitors the circuits for signals and faults, and controls fire safety functions.

A

FACP

27
Q

What two types of signals can Initiating devices produce?

A

Alarm and Supervisory

28
Q

What are the two basic types of water flow switches are used in fire protection systems?

A

Pressure-type and Vane-type

29
Q

It is important to shut down the building’s ____ system in the event of a fire to avoid spreading smoke and flames throughout the building.

A

HVAC

30
Q

What are the three types of security system protection?

A
  1. ) Point-of-Entry
  2. ) Specific Area
  3. ) Spot
31
Q

What are the two configurations for electric door strikes?

A
  1. ) Fail-Safe

2. ) Fail-Secure

32
Q

A ____ moves heat from one medium (fluid/air/steam) to another.

A

Heat Exchanger

33
Q

A ____ Heats air with fire and blows the warmed air into the ducting system.

A

Furnace

34
Q

T/F: Electric Heat sources count as heat transfer devices.

A

False!

35
Q

____ systems consist of an Evaporator and Condenser, and always consist of a high and low pressure end.

A

Air Conditioning

36
Q

A ____ cools water for the purpose of cooling the air in the building. Water enters at about 55 degrees and comes out at about 45 degrees.

A

Chiller

37
Q

A ____ is similar to an air conditioner, but it has the ability to operate backwards with actuation of a reversing valve.

A

Heat Pump

38
Q

What is a hot water loop?

A

A closed circuit of hot water supply pipes that are always circulating the heated water. (So that hot water is instantly available, to avoid water waste)

39
Q

What two signals can fire SUPPRESSION systems put out?

A
  1. ) Alarm (Flow Switches)

2. ) Supervisory (Tamper Switch)

40
Q

T/F: NAC and IDC circuits can set off supervisory signals.

A

False. Supervisory signals are a function of monitoring the fire suppression system.

41
Q

Which of the three types of Fire Alarm circuits is addressable?

A

SLC

42
Q

Which of the three types of Fire Alarm circuits doesn’t typically have an End-Of-Line resistor?

A

SLC

43
Q

What is the difference between Class A and Class B circuits?

A

Class A have a return path from the last device back to the FACP.

44
Q

T/F: The Security System and the CCTV System are separate systems, though they are almost always integrated.

A

True

45
Q

What are some examples of Security System inputs?

A
  1. ) Lasers
  2. ) Motion Sensors
  3. ) Glass Break Sensors
  4. ) Pressure Sensors
46
Q

What are the three Security System Protection Types?

A
  1. ) Point-of-Entry (windows, doors, etc)
  2. ) Specific Area (one defined location)
  3. ) Spot Protection (Safes, valuables)
47
Q

What are the three types of Security Circuits?

A
  1. ) Non-Supervised
  2. ) Supervised (Single EOL)
  3. ) Supervised (Double EOL)
48
Q

A ____ is a computer that stores access control database information and makes intelligent decisions for the system.

A

Supervisory Computer

49
Q

In a Security System, a ____ contains the electrical connections and control interfaces for the system.

A

Control Panel

50
Q

The holding force for commercial mag-locks vary anywhere from ___lbs to ____lbs.

A

500lbs to 3,000lbs

5th Year, Week 1 (Building Automation 1&2, Orientation 3) (3 decks)

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