HVAC 140 Building Automation: Final Exam Questions And Answers 100% Pass
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Course
HVAC
Institution
HVAC
HVAC 140 Building Automation: Final
Exam Questions And Answers 100% Pass
True or False: Integrated demand is electrical demand calculated as and average over the time
interval - answerTRUE
The Energy Cost Index (ECI) is the amount of heat energy in (BTU) used in a commercial
building divided b...
HVAC 140 Building Automation: Final
Exam Questions And Answers 100% Pass
True or False: Integrated demand is electrical demand calculated as and average over the time
interval - answer✔TRUE
The Energy Cost Index (ECI) is the amount of heat energy in (BTU) used in a commercial
building divided by the number of square feet in the building - answer✔FALSE
One Area addressed in building commissioning is the _______ & _____ of a facility -
answer✔Operations & Maintenance
______ inputs are commonly used as status switches and thermostats - answer✔Digital
Constant _______ of controlled devices is commonly caused by building automation system
software that has incorrectly set control loop parameters - answer✔Cycling
Common _____ _____ problems include actuator failure, incorrect wiring, and incorrect
software setup - answer✔Analog Output
A controller may be damaged by - answer✔A Lightning strike, water, impact
TRUE OR FALSE: A service plan is a data item that a device application program will receive
from or send to other devices on a network - answer✔False
One disadvantage of LON is that it is not ANSI standard - answer✔False
TRUE OR FALSE:BACnet/IP nodes can be broken down into master nodes and slave nodes -
answer✔False
_____ ______ is the ability of a controller to self diagnose and self correct a system. -
answer✔Fuzzy Logic
____ ______ controllers release technicians from tuning control loops - answer✔Self Tuning
_______________________ is a detailed description for a specific manufacturers BACnet
device that states its BACnet capabilities - answer✔Protocol implementation conformance
statement
____________ is the process of balancing and adjusting an HVAC system for maximum
efficiency - answer✔Commissioning
______ ________ _______ is a regularly documented process that birngs the performance of
existing building up to its original intended design - answer✔Existing Building Commissioning
__________ commissioning is needed because the operation of the mechanical system changes
over time - answer✔ongoing
True or False: The standard static pressure setpoint for a variable air volume system is 3" WC -
answer✔False
TRUE OR FALSE:Manufacturers provide software that is able to tune control loops to provide
the proper control and eliminate constant cycling of controlled devices. - answer✔TRUE
TRUE OR FALSE: Building Automation Systems never include a feature that allows
supervisory personnel to review which individuals performs specific tasks such as setting
overrides. - answer✔FALSE
The ______ of building automation system problems are categorized into human computer
interface (HCI), field controller, field input and output, and mechanical equipment. -
answer✔LEVEL
TRUE OR FALSE:An electronic control system is one that uses electricity at 24 VAC or higher
to operate devices in the building automation system - answer✔False
an _____is a device that prevents overcurrent in an electrical circuit - answer✔overload
TRUE OR FALSE:A building automation system input is a device that senses and sends building
condition information to a controller - answer✔TRUE
A _____ system is a system in which the decision making equipment is located in one place and
the system enables/disables local (primary) controllers - answer✔Central Supervisory Control
Some manufacturers provide _____ _______ ________ that allow central supervisory control
systems to communicate with modern building automation system networks. - answer✔Gateway
Interface Modules
___ - type material is a material created by doping a region of the crystal with atoms from an
element that has more electrons in its outer shell than the crystal. - answer✔N-Type
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