Building Automation I Flashcards
How does a building automation system provide convenience for building owners, personnel, and occupants?
I. It automatically activates and deactivates some loads.
II. It automatically contacts service contractors when a problem is identified.
III. It monitors the building and its systems for problems.
IV. It provides a secure atmosphere for employees.
V. It reduces the workload of maintenance and security personnel by providing predictive maintenance information.
Select one:
a.
I., III., and V.
b.
II., III., and V.
c.
III., IV., and V.
d.
I., II., III., IV., and V.
A
What was the first type of automated control system used to control the indoor environment in a commercial building?
Select one:
a.
BACnet
b.
Direct digital control
c.
LonWorks
d.
Pneumatic control system
D
Which of the following items will often dictate automation priorities within a building?
Select one:
a.
Equipment and products
b.
Location
c.
Occupancy density
d.
Special on-site processes
e.
All of the above
E
Initial costs and payback periods will influence a building owner’s decision-making process when considering an automation system.
Select one:
True
False
True
Note: Other items that will influence a building owner’s decision-making process when considering an automation system include:
1. Maintenance
2. Impact on occupants
3. System flexibility
4. System upgradability
5. Environmental impacts
? illustrate both signal and power wiring for each panel and device, including information on power sources.
Select one:
a.
Detail drawings
b.
Manufacturer specifications
c.
Shop drawings
d.
Wiring interconnection and block diagrams
D
What type of device measures the value of a variable and transmits a signal that conveys the information?
Select one:
a.
A gateway
b.
A router
c.
A sensor
d.
None of the above
C
What device makes decisions to change an aspect of a system based on sensor information and internal programming?
Select one:
a.
A controller
b.
A gateway
c.
A relay
d.
An actuator
A
Which of the following is not a type of control signal?
Select one:
a.
Analog signal
b.
Digital signal
c.
RS-468 signal
d.
Structured network message
C
Which type of power source is typically located on or near customer facilities, requires little distribution infrastructure, and supplies power in the event of an interruption in power from the electric utility?
Select one:
a.
Centralized generation
b.
Primary
c.
Secondary
d.
Separately derived
C
What type of motor controller is used to change the speed of an AC motor by changing the frequency of the supply voltage?
Select one:
a.
High-frequency drive
b.
Low-frequency drive
c.
Variable-frequency drive
d.
Variable-voltage drive
C
The primary functions of an HVAC system include ? .
Select one:
a.
air conditioning (cooling)
b.
heating
c.
ventilating
d.
a. and b.
e.
a., b., and c.
E
In addition to the primary functions of an HVAC system, what are some additional functions of an HVAC system?
Select one:
a.
Air filtration
b.
Humidity control
c.
Smoke sampling
d.
a. and b.
e.
a., b., and c
D
Which of the following is not a component typically associated with a forced-air air-handling unit?
I. Cooling coils
II. Dampers
III. Dehumidifiers
IV. Ductwork
V. Fans
VI. Filters
VII. Heating coils
VIII. Humidifiers
IX. Sensors
X. Throttling valve
Select one:
a.
VII.
b.
VIII.
c.
IX.
d.
X.
D
What are the requirements for comfort?
I. Proper barometric pressure
II. Proper circulation
III. Proper filtration
IV. Proper humidity
V. Proper temperature
VI. Proper ventilation
Select one:
a.
I., II., III., IV., and V.
b.
I., II., IV., V., and VI.
c.
I., III., IV., V., and VI.
d.
II., III., IV., V., and VI.
D
Building pressure is influenced by ? .
Select one:
a.
turbulence around the building
b.
wind direction
c.
wind gusts
d.
a. and b.
e.
a., b., and c.
E
