Direct Digital Control Concepts

Direct Digital Control Concepts

Vocational training

18 Qs

quiz-placeholder

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Direct Digital Control Concepts

Direct Digital Control Concepts

Assessment

Passage

Construction

Vocational training

Practice Problem

Hard

Created by

Luke Reynolds

Used 3+ times

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18 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

DDC stands for Direct _______ Control?

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an open loop control system, where is the input device located?

Outside the controlled space

Inside the controlled space

inside the unit

There is no input device

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

In a closed loop system, does the input sensor directly measure and/or affect the output of the system?

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What types of signals are used as DDC inputs?

24VAC

open/close contacts

0-10VDC

115VAC

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the components listed?

controllers

trasnmitters

inputs

outputs

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an OUTPUT

occupancy sensor

Damper actuator

terminal block

GPC (general purpose controller)

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

This type of signal has very precise, set changes in voltage, like steps

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