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Author Question: Which one of the following scan statements is NOT true? A) Scan time is affected by the length of ... (Read 78 times)

809779

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on: Jul 28, 2018
Which one of the following scan statements is NOT true?
 
  A) Scan time is affected by the length of the program.
  B) Allen Bradley PLCs scan from left to right and top to bottom of the ladder logic.
  C) A one second scan time is common.
  D) Some instructions affect the length of the scan time.

Question 2

The ________ construct allows the program to execute designated lines of code as long as certain conditions are true.
 
  A) REPEAT  UNTIL B) FOR . . . DO
  C) WHILE . . . DO D) IF . . . THEN


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mariahkathleeen

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


809779

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

sailorcrescent

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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