Title: 2.6 ESD Video and Quiz
Course: Electronics Assembly & Soldering (Sandbox) > Section: Module 2: Components, Safety, and Electrostatic Discharge

Q: Static electricity is best described as...
- charge induction.
- electrostatic discharge.
- an electrical charge at rest.
- excessive valence electrons.
A: an electrical charge at rest.

Q: Most people feel ESD above _____ volts.
- 2,000
- 20,000
- 20
- 200
A: 2,000

Q: ESD sensitive components can be damaged by as little as _____ volts.
- 2,000
- 20,000
- 20
- 200
A: 20

Q: Static electricity rapidly moves from one object to another when...
- any item is charged.
- two objects with different charges come close together.
- two objects with the same charge come close together.
- None of the above.
A: two objects with different charges come close together.

Q: A conductor will...
- prevent a wire from shorting to another wire.
- resist the flow of electrical current.
- prevent the risk of shock.
- allow the flow of electrical current.
A: allow the flow of electrical current.

Q: Insulators...
- conduct electricity.
- resist the flow of electrical current.
- fall somewhere in between conductors and static dissipating materials.
- are grounding devices.
A: resist the flow of electrical current.

Q: Static dissipative materials will allow a charge to be drained to ground...
- in a slow, controlled manner.
- rapidly, creating an ESD event.
- only when the relative humidity is below 30 percent.
- too slowly to be effective for ESD control.
A: in a slow, controlled manner.

Q: Devices damaged by ESD...
- are easily fixed by a qualified technician.
- always fail immediately.
- may work at first, then fail later on.
- are not a problem as long as they pass electrical test.
A: may work at first, then fail later on.

Q: If ESD isn’t controlled, the results are usually _____.
- higher costs
- lower product quality
- unhappy customers
- All of the above
A: All of the above

Q: The most important part of an ESD control program are the _____.
- wrist and heel straps
- engineering controls
- employees
- ESD workstations
A: employees

Q: People who are not wearing appropriate personal grounding...
- should not be in an ESD protected area.
- should not touch product.
- should not perform operations at ESD workstations.
- All of the above
A: All of the above

Q: The wrist strap needs to be...
- worn snugly against the skin.
- attached securely to a ground wire with a current limiting resistor.
- have the ability to be quickly connected or disconnected.
- All of the above
A: All of the above

Q: Shoe grounders are most effective for...
- hand soldering operations.
- standing operations that require movement.
- seated operations.
- All of the above
A: standing operations that require movement.

Q: If you experience a problem when testing wrist straps or shoe grounders, ______.
- let your supervisor know immediately.
- wiggle the wrist strap, then tap it five times.
- place both feet on the metal plate, then plug in the wrist strap.
- All of the above
A: let your supervisor know immediately.

Q: To control ESD, it’s best to wear clothes made of _____.
- rayon
- wool
- cotton
- polyester
A: cotton

Q: Moving materials against each other will...
- neutralize an electrostatic charge.
- neutralize one material and create an electrostatic charge in the other material.
- create an electrostatic charge.
- remove static electricity.
A: create an electrostatic charge.

Q: Examples of non-conductive, static generating materials include _____ and _____.
- tape dispensers, hair brushes.
- vinyl binders, plastic covers
- Styrofoam cups, plastic safety glasses
- all of the above
A: all of the above

Q: To reduce the effect of non-conductive items in the work place, ______.
- apply an anti-static solution
- use an air ionizer
- operate with controlled humidity
- All of the above
A: All of the above

Q: Static dissipative materials...
- dissipate humidity in the work area.
- conduct electricity slowly enough to not damage ESD sensitive devices.
- prevent electricity from being conducted.
- ground electricity to make charges harmless.
A: conduct electricity slowly enough to not damage ESD sensitive devices.

Q: If you are not sure a device is ESD sensitive, you should...
- treat it as if it were ESD sensitive.
- treat it like any other device.
- include it in the scrap report.
- None of the above
A: treat it as if it were ESD sensitive.

Q: To control ESD in the work area, _____.
- don’t shuffle your feet when walking.
- don’t comb your hair.
- don’t touch static generating materials.
- All of the above
A: All of the above

Q: Components should be...
- handled only by the leads.
- handled only by the non-conductive portion of the body.
- pushed along a static dissipative surface, rather than handled.
- All of the above
A: handled only by the non-conductive portion of the body.

Q: A sealed static shielding bag will...
- prevent physical damage.
- degrade solderability.
- protect an enclosed device from ESD damage.
- All of the above
A: protect an enclosed device from ESD damage.

Q: When transporting ESD sensitive devices, _____.
- always keep carts on ESD safe floors
- wear your wrist strap
- make sure the relative humidity is under 10 percent
- use closed containers and carts designed for ESD sensitive devices
A: use closed containers and carts designed for ESD sensitive devices