Automation System Questions and Answers

Exercise

Exercise 1
Exercise 2
Exercise 3
Exercise 4

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Q 1
A programmable controller:

A) can be used on more than one machine during its lifetime.

B) can be reprogrammed in the field

C) requires considerable training before it can be used

D) (a) and (b) above


Correct Option - D

Explanation


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Q 2
A LISP environment consists of a language, a programming environ¬ment, and:

A)   random-access storage

B)   a processor

C)   a large address

D)   a set of functions


Correct Option - D

Explanation


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Q 3
What Is a process variable?

A)   A manipulated variable

B)   A controlled variable

C)   A process parameter that changes value

D)   All of the above


Correct Option - D

Explanation


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Q 4
An operating system:

A) can help reduce software development time

B) provides ability for other programmers to understand the software structure

C) is useless in most control applications

D) All of the above


Correct Option - A

Explanation


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Q 5
Time proportioning control:

A) can be used on a PM550 programmable process controller

B) is less efficient than normal PID control

C) cannot use a TM990 micro¬computer

D) a and b above.


Correct Option - A

Explanation


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Q 6
What kind of capability is required if one plans to interface with a plotter or printer?

A)   A graphics cable

B)   RGB monitor

C)   A graphics board

D)   A co-processor


Correct Option - C

Explanation


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Q 7
The hardware device Jhat acts as both a switching and connecting unit is called a(n):

A)   concentrator

B)   RS-232C port

C)   multiplexer

D)   communications processor


Correct Option - C

Explanation


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