Font size
WorksheetsM5.12 Electrostatic Sensitive Devices Cat A
Total questions: 17
Worksheet time: 1hrs 9mins
What are electrostatic charges generated by?
By Heat
By High Humidity
When 2 surfaces come into contact then separate
Both A and C
What static voltage level can be generated by rabbit skin, rayon dresses, and inflated balloons?
75,000V
5,000V
25V
None
Select from the following items that help in the defence against ESD.
Insolated foam for transport
Foot grounder
Anti static wrist strap
Plastic Bags for environmental protection
What static voltage discharge level would feel like a hammer has hit the finger?
15,000 volts
800 volts
5,000 volts
1,500 volts
Wrist Strap Band should be?
Snug around the wrist
Removed if a nuisance
Placed over shirt sleeve
Foot Grounders, If used should be tested daily: the rounding tab should be?
Cut off
Placed in the shoe under your foot
Tied around your finger
How is ESD created ?
ESD is a transfer of a non moving charge from one object to another by direct contact or without contact, but at close proximity
ESD is a transfer electric charge from person to person
ESD is a transfer DC (direct current)
Where is ESD protection required?
At all areas handling ESD sensitive devices
At the manufacturing area only
At the FOL and EOL operations only
A signage is used to alert those who enter these areas of the compliance requirements of ESD. Where is this found?
At all ESD protected areas
At all manufacturing/assembly areas
At Metal Finishing department
Wrist strap needs to be worn snugly on the wrist and contact with skin to ensure ________
Static charges from human body and device drain off at a safe pace
Static charges will be generated if worn on hand
Electric charges from wrist strap is strong
What do you have to do to dissipate static charges after removing an ESDS device from an aircraft?
Test the device with a multimeter
Install conductive caps on all external connectors
Wrap the ESDS device in plastic
Stand on an insulated mat
Which of the following should you follow to protect ESDS device from ESD?
Test it with a multimeter
Stand on an insulated mat
Work on a grounded workstation
Cover the leads in conductive caps
Before installing or removing ESD make sure...
The aircraft is grounded
To touch the connector pins
Test it with a multimeter
Which of these are ESD prevention (pick all that apply)
Anti-static mats
Anti-static Hands
Anti – static Paper
Anti-static Bags
Anti-Static wrist straps
What does the acronym ESDS stand for?
Electrostatic Defensive System
Electrostatic Discharge Sensitive
Electrostatic Device System
Which of these factors contribute to static electricity
Humidity
Magnetism
Type of material
Light
Temperature
Which of the following is not a precaution for handling ESD?
ESD must be packaged, stored, and transported in appropriate containers
Operators, containers, tools, and test equipment must be properly grounded
ESD can be handled by anyone with bare hands
Faulty ESD must be handled with the same care as new ones, to avoid worsening the fault
All safety precautions and measures must be applied when handling and repairing ESD
