An electronic control system is a control system in which the power supply is ___ VDC or less.

• 18

• 24

• 48

• 115

A(n) ___ control system is a control system that uses a variable signal.

• electrical

• electronic

• analog

• digital

The result of an electronic control system is an output commonly between ___.

• 10 VDC to 18 VDC

• 24 VDC to 32 VDC

• 110 VDC to 120 VDC

• 220 VDC to 240 VDC

A resistive bridge circuit is a circuit containing ___.

• two arms and two resistors

• two arms and four resistors

• four arms and two resistors

• four arms and four resistors

The voltage signal is sent to a(n) ___, which opens or closes a valve or damper in response to the signal change.

• switch

• controller

• relay

• actuator

An advantage of electronic control systems is ___.

• multiple control sequences

• low cost

• complexity

• power output

The resistive bridge circuit output value is ___ when the system is at setpoint.

The disadvantage of ___ control systems is that they may require special diagnostic tools and procedures.

___ control systems are used primarily in large commercial buildings such as hospitals and schools.

In an electronic control system, a signal from a sensor is wired to a(n) ___.