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BuildingAutoInterQ2

homework questions

QuestionAnswer
optimum outcome of a control strategy is that it fulfills the requirements of the sequence of operations,like maintaining a comfortable indoor environment or providing lighting, while minimizing energy use, manual interaction, and equipment wear and tear True
What is the most common building automation control strategy? Setpoint control
_____ control uses setpoint values that are active during the unoccupied mode of a building automation system Setback
What common control strategy is used to alternate the operation of two or more similar pieces of equipment in the same system? Lead/lag control
What control strategy calculates an average value from multiple inputs and then uses it in control decisions? Averaging control
______ is the portion of controller software that produces the calculated outputs based on the inputs. Control logic
What type of algorithm is commonly used in building automation systems? Adaptive, Derivative, Integral, and Proportional
_____ is a control algorithm in which the output is in direct response to the amount of offset in the system. Proportional control
_____ is a control algorithm in which the output is determined by the sum of the offset over time. Integral control
Proportional/integral/derivative (PID) is the combination of proportional, integral, and derivative algorithms. This combination provides stability and precise control. True
____ is the adjustment of control parameters to the optimal values for the desired control response. Calibrating (tuning)
A(n) ___ algorithm is a control algorithm that automatically adjusts its response time based on environmental conditions. adaptive control
What type of control is used for fire alarm and suppression systems? Life safety control
What type of control strategy uses the date and time to determine the desired operation of a load or a system? Scheduled control
____ is the programming of time-based control functions that are unique for each day of the week. Seven-day scheduling
What are the two different ways that holidays are defined when performing holiday and vacation schedules? I. Deviated holiday II. Exception holiday III. Permanent holiday IV. Transient holiday III. Permanent holiday IV. Transient holiday
The control function that allows occupants to temporarily change a zone from an UNOCCUPIED to OCCUPIED state is known as ______ . Timed override
_____ is the association of loads within the building automation system that are always used during the same time. Schedule linking
____ is a supervisory control strategy where the HVAC load is turned ON as late as possible to achieve the indoor environment setpoints by the beginning of building occupancy. Optimum start control
_____ is a supervisory control strategy that reduces electrical demand by turning certain HVAC loads OFF temporarily Duty cycling control
What type of supervisory control strategy is designed to reduce a building's overall electrical demand? Electrical demand control
How can the data gathered from a building automation system help a maintenance technician? Technicians can document system performance, efficiently monitor abnormal conditions, and can perform preventive maintenance based on information received.
Critical alarms concern devices vital to proper operation of the building. True
___ is the recording of past building equipment operating information. Data trending
Created by: Sabrilstar
 

 



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