South Branch Career and Technical Center
Fundamentals of Welding Technology
Directions: 1. Read each question carefully;
2. read choices a, b, c and d;
3. select the correct answer; you may enter ONLY ONE ANSWER;
4. using your mouse, place the cursor over the "option button" to the left side of the correct answer. "Left click" the cursor. The center of the option button should become green. If it does not, please ask your instructor for assistance. After the option button becomes green, you have successfully answered the question, and you may move on to the next question.
5. When you have finished the test, please re-read and check your answers. When you feel you have done your best, go to "File" in the upper left hand side of your task bar, select the "Print" option. When the print box appears, press OK. Your completed test should begin printing.
Which electrode is know as an all-position electrode?
a) E6010
b) E6030
c) E7024
d) E7028
Question 2
A ferrous grinding stone can be used on
a) aluminum.
b) brass.
c) copper.
d) steel.
Question 3
The size of a coated electrode is determined by the
a) diameter of the
wire.
b) length of the
electrode.
c) overall diameter
of the electrode.
d) thickness of the
coating.
Question 4
The third digit of a four-digit AWS number for a mild steel electrode denotes the
a) chemical
analysis of the coating.
b) position
recommended for welding.
c) tensile
strength after welding.
d) tensile
strength before welding.
Question 5
When setting up an oxyacetylene system, how much should you open the cylinder valves?
a) Open both bottle
valves 1 1/2 turns.
b) Open both valves
on bottles fully.
c) Open the oxygen
valve a maximum of 1 1/2 turns and the acetylene valve fully.
d) Open the oxygen
valve fully and the acetylene valve a maximum of 1/4 - 1/2 turn.
Question 6
You have decided on a career choice, but you are uncertain whether you will enjoy the work. The BEST way to find out what happens on the job is to
a) ask your
guidance counselor.
b) read about
the job in an encyclopedia.
c) spend a day
with someone working in your chosen career.
d) write to a
company and ask for specific information.
Question 7
A worker who possesses strong teamwork skills can BEST be described as
a) always trying to
finish the job before fellow employees.
b) considerate of how
his/her actions affect the work team.
c) insisting on
working alone.
d) socializing with
co-workers only at work.
Question 8
When welding galvanized steel, the MOST preferred ventilation is
a) forced.
b) manual.
c) natural.
d) inert.
Question 9
To demonstrate equal respect for your co-workers, you MUST treat everyone
a) according to
his/her place on the career ladder.
b) according to
the employee handbook
c) as you would
like to be treated.
d) as you
would treat your friends or relatives.
Question 10
What type of clothing should NEVER be worn while performing welding tasks?
a) 100% cotton
b) leather
c) nylon
d) wool
Question 11
ARC welding should never be performed while standing on a
a) concrete floor.
b) rubber mat.
c) wet surface.
d) wooden pallet.
Question 12
Acetylene gas MUST never be used at a working gauge pressure setting above
a) 31 psi.
b) 15 psi.
c) 40 psi.
d) 19
1/2 psi
Question 13
When a regulator is NOT in use, the adjusting screw must ALWAYS be
a) set at the highest
pressure.
b) turned out until
it feels loose.
c) painted red.
d) tagged out
and dated.
Question 14
Cylinders should be secured to a rigid post or wall with
a) oxyfuel hose.
b) steel bands or
chain.
c) twine
d) electrical tape.
Question 15
Cylinders must ALWAYS be stored with
a) safety caps off.
b) safety caps near
by.
c) safety caps in
place.
d) safety caps off
laying in the horizontal position.
Question 16
The tool rest on a pedestal grinder MUST be adjusted to
a) 1/2 inch from
grinding wheel.
b) 1 1/4 inch from
grinding wheel.
c) 2 inches
from grinding wheel.
d) be as close as
possible to the grinding wheel without touching.
Question 17
Recommended filter lens shade for cutting is
a) #11
b) #18
c) #10
d) #5
Question 18
Coalescence of filler metal refers to
a) protecting the
weld from the atmosphere.
b) excess weld metal
required to fill a joint.
c) the growing
together of the materials being welded.
d) the projection of
filler metal or a fillet weld.
Question 19
What do the letters W.W.S. stand for
a) American Workers
Society
b) Always Weld Safely
c) American Welding
Service
d) American Welding
Society
Question 20
The gap/opening created by oxyfuel cutting is called
a) hole.
b) kerf.
c) vertical
plane.
d) key hole.
Question 21
Welding in confined areas should be done
a) by yourself.
b) without
ventilation.
c) at night when less
people are around.
d) with plenty of
ventilation.
Question 22
The recommended procedure to test for leaks in an oxyfuel setup is to use
a) water.
b) oil.
c) flame
d) pure soap
and water..
Question 23
The flame is smothered and does NOT allow for combustion. This condition is caused by
a) operating the
torch at too low pressure.
b) touching the tip
to the work.
c) overheating the
tip.
d) having a loose
tip..
Question 24
A high pressure shielding gas cylinder may be moved by
a) rolling it
horizontally on the floor.
b) slightly tipping
the cylinder and rolling it on its edge, using tow hands.
c) pulling it
along by its valve.
d) dragging it
with a chain.
Question 25
When starting to flame cut a hole with a diameter of 2", you should start the cut
a) at the beginning
of the plate.
b) at the center of
the hole with an outward spiral.
c) at the end of the
plate.
d) it is not
important where you start.
Question 26
A person planning a career in welding should possess the following
a) good
eyesight, manual dexterity and hand to eye coordination.
b) basic math
skills.
c) basic
knowledge of metallurgical properties.
d) all of the
above.
Question 27
Which of the following gasses must NOT be allowed to vent into an enclosed area?
a) inert
b) flammable
c) exotic
d) non-flammable
Question 28
What color is the base metal when the right temperature is obtained for braze welding
a) yellow
b)
orange.
c) green
d) dull
red
Question 29
A welding fitters job is to
a) tack weld
parts together.
b) layout parts
for cutting.
c) clean slag
from welds..
d) put parts
together in their proper place for welding.
Question 30
When shutting the torch off, which needle valve should be closed FIRST?
a) nitrogen
b) acetylene
c) oxygen
d) hydrogen
Question 31
Why are electrodes stored in an oven?
a) It won't
take as much heat to burn them.
b) To keep from
absorbing moisture in the flux.
c) It is easier
for welders to get electrodes as needed.
d) It helps to
prevent warping.
Question 32
How far MUST oxygen cylinders be stored away from flammable materials?
a) 5 feet
b) 10 feet
c) 16 feet
d) 20 feet
Question 33
A major problem when performing oxyfuel cutting is
a) fatigue.
b) overheating.
c) distortion.
d) slag.
Question 34
A leader motivates others and makes them want to work together. To become a good leader you MUST
a) be a
pessimist.
b) constantly
argue.
c) be willing
to accept responsibility.
d) develop a
stubborn attitude.
Question 35
Oxyfuel cylinders should never be used for
a) welding.
b) equipment
rollers.
c) brazing.
d) cutting
operations.
Question 36
Which of the following would be the BEST source of information about job opening?
a) letters of
application
b) resumes
c) help wanted
advertisements
d) application forms
Question 37
All cylinders should be stored
a)
horizontally.
b) lying down.
c) vertically.
d) together..
Question 38
Acetylene cylinders contain a porous material and the chemical
a) chlorine.
b) acetone.
c) boric acid.
d) cobalt.
Question 39
Brazing is a process in which metals are joined by
a) adhesion.
b) cohesion.
c) compression..
d) fusion.
Question 40
A sheet of metal 4 feet wide and 8 feet long has how many square feet?
a) 31.5
b) 39
c) 32
d) 33
Question 41
A piece of material measured with a tri-square is 10 and 56/54 inches in length. Which of the following is its equivalent?
a) 9 7/8"
b) 10 5/8"
c) 9 3/4"
d) 10
7/8"
Question 42
The American Welding Society sets guidelines for the manufacturing of
a) welding
consumables.
b) welding tests.
c) welding clothing.
d) both A and B.
Question 43
The welding machine MUST be properly grounded to
a) cut down on fumes.
b) prevent arc flash.
c) prevent
electrical shock.
d) insure machine
setting.
Question 44
A container is vented to
a) allow the
contents to "breathe."
b) to dissipate
heat.
c) to drain the
contents of the container.
d) to prevent
fume build-up.
Question 45
When welding a closed container, you must FIRST
a) clean the
container.
b) cut a vent hole.
c) identify its
contents.
d) paint the
container.
Question 46
When using a fire extinguisher, you should ALWAYS point the nozzle a the
a) base of fire.
b) middle of the
flame.
c) smoke.
d) top of the flame.
Question 47
The welding torch consists of four main parts: body, hand valve, mixing chamber, and
a) air valve.
b) hose.
c) orifice.
d) tip.
Question 48
Which flame has the MOST excess acetylene?
a)
carbonizing/reducing
b) excess
c) neutral
d) oxidizing
Question 49
Which electrode does NOT require storage in an electrode oven after removal from its shipping container?
a) E11018
b) E6011
c) E7018
d) E7018-A1
Question 50
In GTAW, the electrode that conducts electrical current to the arc is
a) aluminum.
b) stainless steel.
c) titanium.
d) tungsten.