A __________ is an example of an unintentional factor that causes the condition of the controlled variable to become different from the set point.
A. set point change
B. disturbance
C. load change
Answer: B
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You are looking for information on wiring methods. The best place to begin would be to scan _____.
a. the entire NEC® until you locate the information b. the Informative Annexes for specific information c. the NEC® Table of Contents to find the desired chapter d. NEC Chapter 9 for applicable tables
Which of the following is true about overhead welding?
A. The height of the sheet does not affect your progress. B. The direction that you choose to weld is a matter of personal preference. C. The height of the sheet does not affect your skill. D. Welders should always stand when welding in the overhead position.
Which part of an ice machine is the primary cause of ice machine service?
a. Water circuit b. Electrical system c. Refrigeration system
Infectious agents that must reproduce inside the living cells of the host would be
classified as: A. protozoal B. bacterial C. viral