This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Before handling printed circuit boards, technicians should discharge any static electricity from ... (Read 99 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jxjsniuniu

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

D


misspop

  • Member
  • Posts: 540
Reply 2 on: Jul 24, 2018
Excellent

samiel-sayed

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Discharge of Acid Rock Drainage Discharge of Acid Rock Drainage
Using a DMM to measure the open-circuit voltage of a battery. Using a DMM to measure the open-circuit voltage of a battery.
A dim headlight indicates excessive resistance in fuel pump circuit. A dim headlight indicates excessive resistance in fuel pump circuit.
Coal is used to generate electricity Coal is used to generate electricity
Electricity production accounts for 25% of greenhouse gas emissions Electricity production accounts for 25% of greenhouse gas emissions
Find the voltage, current and power for each resistor in the circuit below Find the voltage, current and power for each resistor in the circuit below
Video: Prone Position

For a complete list of videos, visit our video library