Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
|
Analyzes the signals from several devices, all of which are monitoring the same condition.
|
Voting |
|
|
Design feature that provides more than one function for accomplishing a given task so the failure of one function does not impair the systems ability to operate. |
Redundancy
|
|
|
Triggered when differences between two variables exceeds the set limit |
Deviation
|
|
|
An automatic device for stopping the flow of current in an electric circuit as a safety measure |
Breaker |
|
|
Full testing is only performed during the initial commissioning or following a turnaround because it provides a high degree of confidence in the system but there is a potential for equipment damage.
|
False
|
|
|
A high shutdown alarm should never be bypassed.
|
False
|
|
|
A____ is a device used to restore batteries to a proper electrical charge. (singular, lower case, one word, spelling counts)
|
Charger
|
|
|
A____ is a device that uses fuel or other mechanical energy to create electrical energy. (singular, one word, lower case, spelling counts)
|
Generator
|
|
|
Alternative current is used in industrial applications because it can be stepped up or stepped down to meet different voltage requirements
|
False
|
|
|
A____ is a devise used to reduce or increase the voltage of an AC system. (one word, lower case, singular, spelling counts)
|
Transformer
|
|
|
A____ is a switch like device in electrical panel boxes used to keep electrical current from exceeding the recommended load. (one word, singular, lower case,spelling counts)
|
Breaker
|
|
|
A____ is an electrical device consisting of one or more cells that converts chemical energy into electrical energy and provides a steady-state of DC voltage. (singular, one word, lower case, spelling counts)
|
Battery
|
|
|
An MCC is a row of steel cubicles that contain electrical switching equipment.
|
True
|
|
|
A___ is an electromechanical device that switches an electrical load between two separate power supplies. |
Automatic Transfer Switch |
|
|
A_____ is a device that provides continuous auxiliary power when the normal power supply is interrupted. |
Uninterruptible Power Supply |
|
|
DCS stands for ____.
|
Distributed Control System
|
|
|
Place the following functions of a typical DCS in the correct order. |
1.Receive signals from field. 2.Convert signal via A/D 3.MUX signal and sent to computer. 4.Process information and send out command. 5.DEMUX output signals 6.Convert signal via D/A 7.Send output. |
|
|
All DCS nodes communicate with the ___ computer.
|
Host
|
|
|
The____ allows the operators to control the process.
|
Operator Station
|
|
|
The primary function of the ___ is to program the DCS.
|
Configuration station
|
|
|
A___ is a network of computers and switches used for the transfer of digitized information.
|
Data Highway |
|
|
A____ is a set of rules that govern the transmission of binary data. (lowercase, singular, one word, spelling counts)
|
Protocol
|
|
|
Which of the following is not an advantage of a DCS compared to an analog controller?
|
Noise Level
|
|
|
What does PLC stand for? |
Programmable Logic Controller |
|
|
Each symbol or instruction in a PLC has a unique address.
|
True
|
