WorksheetsWelding SMAW~Equipment and Setup
Total questions: 15
Worksheet time: 8mins
The preventative maintenance schedule for an engine-driven welding machine is usually based on ______.
insurance requirements
the number of welds made
fuel consumption figures
the number of hours that the engine operates
When stringing welding cable overhead or between floors, tie off the cables with _____.
cable
wire
chain
rope
Welding slag chippers and needle scalers are typically _____
pneumatically powered tools
hand tools
ultrasonic tools
battery-powered tools
When selecting a workpiece clamp, be sure that it rated ______
at least as high as the rated capacity of the welding machine
no more than half of the rated capacity of the welding machine
less than the median rated capacity of the welding machine
at twice as high as the rated capacity of the welding machine
Avoid exposing a lead-acid battery to ____
temperatures below 50 ° F
sparks or arcs of any type
more than two hours of use each day
nitrogen
If a welding machine starts to fall over, ______
grab a pry-bar to attempt to slow the fall down with leverage
immediately pull the local fire alarm
get clear and do not attempt to stop it yourself
intervene and try to return it to an upright position using physical strength
Chipping slag and other coatings from finished welds requires ___________
written procedures to dispose of the material removed
tools including sanders, nylon brushes, or picks
hazardous material suits, gloves, and gauntlets
eye protection, including goggles or face shields
A DINSE style connector is ______.
a different type of workpiece clamp
a quick-disconnect style for welding leads
a new type of electrode holder
used to connect a welding machine to its primary power supply
The capacity of an arc welding machine is determined by its rated amperage and ______.
duty cycle
voltage
electrode size
function
A step-down transformer converts ______
power at 60 Hz to a higher frequency
power at 60 Hz to a lower frequency
a low voltage to a higher voltage
a higher voltage to a lower voltage
SMAW power supplies are designed to produce an output current that ______
is nearly constant
is at least 500 amps
is never more than 100 amps
varies constantly from one bead to another
The circuit breaker supplying electricity to your welding machine should be shut off _____
only if the circuit needs to be reset
only if there is a problem with the welding machine
before disconnecting the welding machine
after disconnecting the welding machine
Inverter-controlled welding machines are smaller, lighter power sources that also _______
offer a very smooth and steady DC welding arc
offer a very smooth and steady AC welding arc
use significantly more power to operate
reduces the AC power frequency well below 60 Hz
Most engine-powered welding machines turn a generator that produces ______
AC current
DC current
a pulsed AC waveform
a pulsed DC waveform
You should inspect your fall protection equipment ______
before each use
weekly
monthly
annually
