10-55.
When rubbed against any of the
other three, which of the
following substances will assume
the positive charge when
separated?
1.
Saran
2.
Nickel
3.
Steel
4.
Aluminum
10-56.
Under which of the following
conditions is generated static
electricity decreased?
1.
Hot air
2.
Dry air
3.
Cold air
4.
Humid air
10-57.
Which of the following is NOT an
ESD prime generator?
1.
Synthetic mats
2.
Vinyl
3.
Common solder suckers
4.
Carbon impregnated
polyethylene
70
10-58.
What is the minimum resistance for
personnel ground straps?
1.
25,000 ohms
2.
150,000 ohms
3.
250,000 ohms
4.
500,000 ohms
10-59.
Which of the following procedures
should NOT be performed when
working on ESD-sensitive devices?
1.
2.
3.
4.
Make continuity checks on
personnel ground straps with a
Simpson 260 meter or
equivalent
Ground the work area,
personnel ground straps, and
equipment
Make periodic electrostatic
measurements at all
ESD-protected work areas
Wear cotton smocks when
working with ESD-sensitive
devices
