UA Local 467 Section 7.5 to 7.8 Quizizz

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 (a)   when the system is at setpoint.

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

(a)   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) (a)   .