What is a host computer?

The central computer with which each node communicates

What is the last step in the functionality of a typical DCS node?

The analog signals are forwarded to the appropriate valve.

How is DCS redundancy determined?

The number of critical loops and the cost to install

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Instr 2 Chapter 19

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Imported from external platform

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Questions 14

Answers

1
Which of the following factors can cause drift?
Temperature and aging
Noise and aging
Size and noise
Price and temperature
2
What eliminates bumpless transfer issues in DCSs?
Data highways
Internet protocol
Configuration stations
Configuration choices
3
Which of the following are single computer terminals located on a computer network or data highway?
Nodes
DCSs
Drift
Noise
4
To which of the following topics is trending related?
Data management
Cost effectiveness
Bumpless transfer
Space efficiency
5
What is a host computer?
The central computer with which each node communicates
Computer-based systems that are used to control processes
The change in the accuracy of an instrument signal or indication over time
A single computer terminal located on a computer network or data highway
6
Which of the following increases reliability and reduces the potential for unsafe conditions?
Nodes
Protocol
Drift
Redundancies
7
Which of the following perform process control?
Data highways
Accessory devices
Configuration stations
Operator stations
8
Of the following is a series of distributed computer processors that are all interconnected via a computer network?
Data highway
Digital data
Direct digital control
Distributed control system
9
Which of the following describes data loggers?
Types of nodes
Accessory devices
Part of APC computers
Plant network
10
Which of the following are computer-based systems that are used to control processes?
Data highways
MCCs
DCSs
PCLs
11
What is the last step in the functionality of a typical DCS node?
The analog signals are forwarded to the appropriate valve.
The local computer processes the incoming information.
The digital signals are forwarded to a local computer by a multiplexer.
The signals processed by the DCS are converted from analog to digital.
12
Which of the following is an example of a data packet?
Data highway
Start code
Tag number
Node address
13
Which of the following sends many signals down a data highway?
DEMUX
PLC
MUX
DCS
14
How is DCS redundancy determined?
The number of critical loops and the cost to install
The cost of installation and maintenance
The number of nodes and level of effort to install
The level of effort to install

Instr 2 Chapter 19 Flashcards | StudBud