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Author Question: Before handling printed circuit boards, technicians should discharge any static electricity from ... (Read 100 times)

misspop

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on: Jul 24, 2018
Before handling printed circuit boards, technicians should discharge any static electricity from their bodies by:
 
  A) Rubbing their feet several times on the carpet to remove excess electrons.
  B) Touching a grounded metal frame.
  C) Momentarily grabbing both ends of the power source to neutralize themselves.
  D) Wiping their hands with a silk rag to remove excess electrons from their hands.

Question 2

Why are some reclaimed refrigerants classified as hazardous materials?
 
  A) They have been through sealed systems.
  B) They are from pre-1993 systems.
  C) They have been recycled before being reclaimed.
  D) They may contain corrosive or carcinogenic chemicals.


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jxjsniuniu

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Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

D


misspop

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Reply 2 on: Jul 24, 2018
:D TYSM

bblaney

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Reply 3 on: Yesterday
Gracias!

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