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BuildingAutoInterQ1
homework questions
| Question | Answer |
|---|---|
| A communication protocol governs _____ to ensure that they are all speaking the same understandable language. | a. the format, the signals passed between devices, and the timing |
| A proprietary protocol is a communications and network protocol that is developed and used by multiple device manufacturers. | False |
| Which of the following is a common building system that may use proprietary protocols? | HVAC Life safety Lighting Security |
| A(n) ____ is a standardized communications and network protocol that is published for use by any device manufacturer. | open protocol |
| What are the two most commonly used open protocols today? I. BACnet® II. LonWorks® III. TCP/RP IV. X-10 | BACnet & LonWorks |
| Though LonWorks and BACnet can achieve similar automation results, what are some of the differences between LonWorks and BACnet? I. Communication modes II. Device types III. Network management tools IV. Network requirements | all |
| What details of the LonTalk communication protocol are not managed by Neuron® chip? | Message size |
| What organization developed BACnet? | ASHRAE |
| How is information identified in a hierarchical scheme? Through the identity of elements within the property Through the identity of the device Through the identity of the object within the device Through the identity of the property of the object | II., III., IV., and sometimes I. |
| The BACnet standard does not specify procedures or outcomes for installing, commissioning, or programming control devices. | True |
| What are some of the advantages of using wireless devices and/or protocols for building automation? | Wireless automation may be ideal in an existing building if it is not feasible to run new network conductors throughout the building. and eliminate improper wiring, connector, and termination issues as potential sources of communication problems. |
| ____ is the capability of network devices from different manufacturers and systems to interact using a common communication network and language framework. | Interoperability |
| Which of the following is a factor when choosing a specific manufacturer's automation product? | Availability Cost Documentation Interoperability |
| Integration and interoperability require that all control devices reside on the same network. | True |
| What type of network architecture limits the interaction between control devices? | Hierarchical network architecture |
| Which of the following are typical applications for a network manager/central controller? | Configuring Installing Programming |
| What type of problem may be encountered when a network manager/controller is required to perform the functions for subordinate devices or communicate with other devices on a network? | a. This could cause a single point of failure that may render large portions of the control system or even the entire control system inoperable if the network manager fails. |
| What type of network architecture allows any device to communicate with any other device on the network without the need for a network manager? | Flat network architecture |
| Programming tools are only needed when the control network is initially programmed and commissioned. | False |
| If a single control device fails on a flat architecture, the entire system will be disabled. | False |
| A ____ is a network device that translates transmitted information between different application protocols. | gateway |
| What are the two most commonly used automated building systems? I. Access control II. HVAC III. Lighting systems IV. Security | HVAC and Lighting systems |
| A common control strategy used by building owners is minimizing the electrical consumption of the building while maintaining adequate operation of the equipment that relies on electrical power. | True |
| One of the most important and common applications of building automation in electrical systems is ___? | demand limiting |
| ____ involves switching OFF or dimming lighting circuits as much as possible without adversely impacting the productivity and safety of the building occupants or the security of the building | Lighting system control |
| Lighting control occupancy sensor information can be shared with other building systems such as ___ and ___ in an integrated building system | HVAC / security systems |
| Which of the following characteristics of indoor air are monitored and/or controlled by the HVAC system? | Circulation, Filtration, Humidity, and Ventilation |
| Typical HVAC system operation involves controlling fans, dampers, valves, and other control devices until the measured environment within a conditioned area matches the desired setpoints. | True |
| A(n) ___ system is used to allow only those with proper credentials access to a specific building, area, or room. | access control |
| An access control system admitting a person into the building may anticipate that person's need for an elevator by transmitting a message to the elevator controller to add a call for that floor. | True |
Created by:
Sabrilstar