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year 4 > io 10 > Flashcards

io 10 Flashcards

1
Q

partially opening or closing

A

throttling valve

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2
Q

actuated by separate electrical circuit

A

relay

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3
Q

resistance temperature detector

A

RTD

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4
Q

one lumen per square foot

A

foot candle

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5
Q

current state based on control setting

A

open loop

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6
Q

difference between output control and set point

A

offset

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7
Q

speed at which air moves

A

air velocity

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8
Q

passive infrared sensor

A

PIR

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9
Q

Human machine interface

A

HMI

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10
Q

One lumen per square meter

A

Lux

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11
Q

change in aspect of system based on sensor information

A

controller

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12
Q

light emitting diode

A

LED

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13
Q

Air handling unit

A

AHU

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14
Q

Current state is based on feed back

A

closed loop

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15
Q

variable air volume

A

VAV

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16
Q

quality of light on surface area

A

illuminance

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17
Q

controls from one main control panel

A

centralized lighting control

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18
Q

on or off signal

A

digital (discrete)

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19
Q

desired value to be maintained

A

set point

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20
Q

heating ventilation and air conditioning

A

HVAC

21
Q

Voice data video system

A

VDV

22
Q

high intensity discharge lighting

A

HID

23
Q

causes mechanical motion

A

actuator

24
Q

measure the moisture in the air

A

hydrometer

25
Q

range between 2 set points with no action

A

deadband

26
Q

intensity of light radiating from a source

A

lumen

27
Q

Air changes per hour

A

ACH

28
Q

transmits an information signal

A

sensor

29
Q

max power everytime unit is running

A

constant volume

30
Q

variable frequency drive

A

VFD

31
Q

rules and procedures for exchange of information

A

protocol

32
Q

continuous signal

A

analog

33
Q

switched between two power sources

A

transfer switch

34
Q

which of the following is not a convenience function of an automation function

A

fire alarm

35
Q

what type of control system uses only one controller to run all system logic

A

ddc control

36
Q

secondary power is most commonly generated from

A

diesel generator

37
Q

commonly caused transient voltage

A

contact balance

38
Q

what type of lighting control system uses microprocessor based sensors and controls rather than microprocessor based control panel

A

Distributed lighting control

39
Q

which of the following is not a component typically associated with a forced air handling unit?

A

Heat exchanger

40
Q

which of the following conditions aids in keeping contagions from entering an isolation room

A

positive relative pressure

41
Q

heating and cooling function of a HVAC system rely on basic principals of

A

thermal dynamics and heat transfer

42
Q

list the items in which will often dictate automation priorities within a building

A

location
occupant density
equipment and products
special onset process

43
Q

name the two main functions of control devices in electrical systems

A

1 - monitoring and maintaining a reliable quality power supply

2 - switching on and off electrical loads

44
Q

list 3 primary temperature sensing elements which output an electrical signal

A

RTD
Thermal couples
Thermistors

45
Q

name the five types of air air handling units manage

A 
supply
return
exhaust
mixed
outside
46
Q

what are the five requirements for comfort

A 
temperature
humidity
filtration
circulation
ventilation
47
Q

what are the 3 primary methods to improve indoor air quiality

A

ventilation
filtration
source control

48
Q

name the two main parts of an air conditioner

A

evaporator

condenser

49
Q

in a supply air control application there are 3 conditions which will require shut down of the supply air fan

A

low temperature limit
closed isolation damper
shut down command from fire system

year 4 (8 decks)

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