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MODULE 4 BUILDING MANAGEMENT SYSTEMS EXAM QUESTIONS & ACCURATE ANSWERS PASSED 100%
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The control point classification of a sensor used to measure the status of a pressure switch is? - Correct Answer โโ Discrete input ( DI ) Which of the following is an analog input device? - Correct Answer โโ Thermistor Which temperature sensor type is used when there is a great distance between the sensor and the input module? - Correct Answer โโ Transmitter. Which control algorithm is typically used in HVAC equipment when the controlled variable changes slowly? - Correct Answer โโ PI The controllers connected in a network can share information becuase they use a set of ruler known as a? - Correct Answer โโ Protocol. In a peer to peer network, a discrete input such as an outdoor air sensor? - Correct Answer โโ Needs to be attached to only one controller and shared. A digital controller installed on a packaged rooftop unit at the favtory is called a (n)? - Correct Answer โโ Product integrated controller. In a chilled water system, the temperature of the water leaving the chiller is typically maintained at? - Correct Answer โโ 45' F. A BMS user interface that links two or more building client computer to a server computer is called a? - Correct Answer โโ LAN Which BMS control computer front end software function operates to provide system operators with informarmation about monthly trends in system temperatures and pressures or energy usage? - Correct Answer โโ Data collection. Which BMS connected computer front end sofware function operates to collect and store files from all the controllers on network? - Correct Answer โโ Database management. Which type of control module uses inputs from one or more power meter (s) to track building energy consumtion? - Correct Answer โโ Load shed
When a DDC control system is used, the occupancy period control is found in the? - Correct Answer โโ Zone controller. An energy saving routine used with VAV system that is active in the unoccupied hours of the early morning is called? - Correct Answer โโ Night time free cooling. VAV systems are capable of controlling indoor air quality ( IAQ) at the zone level by employing a control strategy called. - Correct Answer โโ Demand controlled ventilation. To manage building pressurization, the central unit is often equipped with a? - Correct Answer โโ Powered exhaust system. The seven layer communication protocol that allows efficient operation of BMS controllers is called? - Correct Answer โโ Lon Talk. The term interoperability refer to? - Correct Answer โโ The transfer of information and commands across building systems and different protocols. Although wireless devices can significantly reduce installation costs, one of the primary problems associated with their use is? - Correct Answer โโ The broadcast range. LonWorks can best be described as? - Correct Answer โโ ADDC. network.