ddc2

A hydroscopic element is a device that changes its characteristics as ________ changes.

Choose the Binary Output

Hertz is the international unit of frequency equal to one cycle per second.

______ are hardwired as separate circuits independent of the BAS, ensuring reliable operation

What are the largest consumers of energy in a building?

Integration with internet allows a building BAS to extend beyond a single building

____ network configuration is a configuration in which multiple devices are connected in series

A proprietary protocol is a DDC protocol that can be used by only 1 device manufacturer.

If you have 24 volts AC and 2 amps, how many watts are produced?

Regarding differential pressure, a dirty filter would indicate a larger differential pressure

Electricity is the energy released by the flow of ______ in a conductor (wire).

___________ monitoring is the detection and notification of abnormal building conditions.

_______ air is a newly conditioned mixed air that is distributed to the building space

When using the dry bulb economizer method, an ________ is used to control economizer operation

Continuity is the presence of a complete path for current flow.

A _________ is a device that prevents overcurrent in an electrical circuit.

The primary desktop PC used to communicate with a BAS is commonly referred to as the front end.

A digital output is a device that accepts an ON and OFF signal.

What is the most significant benefit of a building automation system?

FEEDBACK is the measurement of the results of a controller action by a sensor or switch.

What is defined by a pair of setpoints between which no control action is required?

Life Safety Control is a control strategy for life safety issues such as fire detection.

Choose the Analog Output

5 day scheduling is a time based control function that are unique for each day of the week

Using Ohm's law, a 500 ohm resistor produces what type of signal when 4-20 mA flows thru it?

Control of the heating coil is managed by the AHU controller based primarily on air _____

What is the process of upgrading a BAS by replacing obsolete controls with new ones.