ACTUAL Exam Questions and CORRECT
Answers
What are the comfort-related properties of indoor air that climate sensors measure?I.
CirculationII. FiltrationIII. HumidityIV. TemperatureV. Ventilation - CORRECT
ANSWER - I., II., III., IV., and V
What types of temperature-sensing elements output an electrical signal? - CORRECT
ANSWER - Resistance temperature detectors (RTD)
Thermistors
Thermocouples
When the ? and the sensor electronics are connected with long conductors, the long conductors
add resistance to a circuit, which affects the voltage measurement and makes the device
susceptible to inaccuracies. - CORRECT ANSWER - Thermistor
What type of device is used to measure the amount of moisture in the air? - CORRECT
ANSWER - A hygrometer
What do most hygrometers measure? - CORRECT ANSWER - % relative humidity
? is used to compare the air pressure between two points within a duct, which is used to monitor
fan operation or filter condition. - CORRECT ANSWER - Differential pressure
Differential pressure switches are often used across a ? and indicate conditions that are impeding
airflow. - CORRECT ANSWER - Fan or filter
What type of sensor measures the velocity of the air in a duct system? - CORRECT
ANSWER - An airflow station