WorksheetsBuilding Control Systems Quiz Objective 3
Total questions: 15
Worksheet time: 8mins
What is the main source of power for a pneumatic control system?
Electricity
Hydraulic pressure
Compressed air
Natural gas
What type of control system is a pneumatic control system?
Analog
Digital
Hybrid
Mechanical
What does the zone controller's integral bimetal sensor do in a pneumatic control system?
Bleeds air pressure to atmosphere
Regulates the flow of oil
Increases air pressure in the system
Shuts off the power source
What does the controller compare the sensor pressure with in a pneumatic control system?
Setpoint and throttling range settings
Main air pressure and oil pressure
Zone temperature and outside air temperature
Compressor station pressure and network communication data
What does the actuators do in response to the branch pressure signal in a pneumatic control system?
Modulate open or closed
Increase the air pressure
Shut down the system
Regulate the oil flow
What is the main logic control component in a BAS control system?
Zone sensors
Network communications module
Controller CPU
Operator workstation
What provides all of the CPUs on the network with global data in a BAS control system?
Network communications module
Zone sensors
Operator workstation
Controller CPU
When does an interruption occur in the normal closed loop control sequence in a BAS control system?
When the network communications module is down
When the operator workstation is offline
When the zone sensors malfunction
When the operator workstation issues additional instructions
What does the operator workstation provide to the network communications module in a BAS control system?
Current variables for the programming of the controller CPU
Supervisory commands for the zone devices
Global data for all CPUs
Changes or updates to the control schedule
What does the network communications module provide to the controller CPUs in a BAS control system?
Changes or updates to the control schedule
Global data for all CPUs
Supervisory commands for the zone devices
Current variables for the programming of the controller CPU
What does the controller CPU use to control the zone devices in a BAS control system?
Changes or updates to the control schedule
Global data for all CPUs
Supervisory commands for the zone devices
Current variables for the programming of the controller CPU
What is the sequence of operation for a pneumatic control system?
Analog
Digital
Hybrid
Mechanical
What is the sequence of operation for a BAS control system?
Analog
Digital
Hybrid
Mechanical
What is the main source of power for a BAS control system?
Hydraulic pressure
Electricity
Natural gas
Compressed air
What type of control system is a BAS control system?
Analog
Mechanical
Digital
Hybrid
