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WorksheetsWelding3 task
Total questions: 9
Worksheet time: 5mins
Name
Class
Date
1.
Thicker wires allow more net current through their thicker cross-section.
a)
true
b)
false
2.
The wire feed speed regulates
a)
voltage
b)
polarity
c)
how fast the wire is feed into the
weld joint
3.
The wire feed speed unit is
a)
inch per minute
b)
meter per minute
c)
both
4.
For thinner materials of 1–3 mm thick, a higher flow rate is needed.
a)
true
b)
false
5.
The required polarity for MIG is
a)
DCEP
b)
DCEN
6.
DCEP- D/C electrode (+) positive means that the electricity flows
a)
from the metal in to the welding
handle.
b)
from the welding handle to the metal
7.
The voltage setting varies depending on:
a)
The joint
type.
b)
Metal thickness
c)
Gas type
d)
all of them
8.
MIG welding is
a)
fully automated process
b)
semi-automated process
9.
Semi automated process means the welding quality relies on
a)
MIG welder settings or machine set-up
b)
skilled welder
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