Block 2 - Select Control Point Instrumentation Self Assessment Flashcards
What is the primary role of a combustion control system?
To optimize burner performance and ensure safe combustion
Which of the following components detects changes in physical or chemical properties and converts them into electrical signals?
Sensors and transducers
Which type of gas flow meter is best suited for measuring high-pressure, high-temperature gases?
Thermal mass flow meter
What is the main concern when selecting a Burner Management System (BMS)?
Safety features such as flame and pressure sensors
When selecting a gas-fired appliance actuator, why is environmental performance an important consideration?
It ensures the actuator performs reliably under varying conditions like extreme temperatures
Which of the following is a key factor when selecting a Building Automation System (BAS) for a large building?
Ability to handle multiple subsystems and functions
What is an essential feature of a good Building Automation System (BAS)?
Energy efficiency and sustainability integration
What is the primary consideration when selecting a resistance temperature detector (RTD)?
Compatibility with the temperature range of the application
What factor is most important when selecting a pressure transducer for dynamic applications?
Response time
In a lead/lag system, what happens when the lead system fails?
The lag system automatically takes over to maintain operation
What is the significance of response time in selecting a thermistor?
Indicates how quickly it reacts to temperature changes
What is the benefit of having a user-friendly interface in a BAS?
Makes it easier to navigate, monitor, and control systems efficiently
Which control strategy aims to adjust the air supply to prevent incomplete combustion and reduce pollutants?
Excess Air Control
What does a Burner Management System (BMS) do?
Ensures safe ignition and flame monitoring
What is the significance of compliance in the selection of a Burner Management System (BMS)?
To ensure legal requirements and safe operation are met
Why is energy management an important feature of a BAS?
To monitor and improve energy efficiency and sustainability goals
Which sensor is primarily used to monitor the oxygen level in exhaust gases to adjust the air-to-fuel ratio?
Oxygen (O₂) sensor
What is the primary function of control point instrumentation?
To monitor, measure, and regulate critical variables in a system
What does a communication device in a Building Automation System (BAS) primarily facilitate?
Data transfer and real-time communication between system components
When selecting a combustion control system, why is understanding the combustion process crucial?
It ensures that the control system works efficiently with the combustion process
What is the main reason for ensuring redundancy in a lead/lag system?
To guarantee continuous operation even if one system fails
What environmental factor must be considered when selecting an oxygen (O₂) sensor?
Humidity and pressure
Which of the following is NOT a safety feature typically included in a Burner Management System (BMS)?
Energy-saving recommendations
When selecting a PID controller, why is understanding system dynamics essential?
It defines the response time, process delay, and nonlinearity of the system
Which of the following is NOT typically part of a combustion control system?
Air conditioning systems