Section 16.2 Quizizz

Electronic control systems include the sensors, controllers, switching components, and output devices such as dampers and valve actuators to provide ___ control in the building.

• Multizone unit

• Temperature, pressure, and humidity

• Boiler and chiller

• Grounding and electrical output

A piezoelectric crystal is used by a(n) ___ sensor.

• Temperature

• Humidity

• Electronic

• Pressure

In multizone unit control, each zone damper is controlled by a(n) ___.

• Zone thermostat

• Integrated circuit

• Air handling unit

• Electronic controller

An electronic controller changes the hot water setpoint from 100 Deg F to ___ Deg F as the outside air temperature changes from 65 Deg F to -10 Deg F.

• 25

• 87

• 190

• 213

An electronic controller changes the chilled water setpoint from 60 Deg F to ___ Deg F as the outside air temperature changes from 60 Deg F to 100 Deg F.

• 40
• 30

• 60

• 85

___ sensors use semiconductor materials that change resistance characteristics as the temperature around the sensor changes.

___ sensors use a piezoelectric crystal, which changes output voltage as pressure is exerted on the crystal.

The electronic controller opens and closes the ___ electronic actuator to maintain the correct chilled water supply or return temperature.

Electronic thermostats use ___ to energize and de-energize heating, cooling, and fan functions.