SKILLS USA WELDING TEST
What part if the GTAW torch is tightened to cause the collect to grip the
electrode?
a. Gas nozzle
b. End cap
c. Electrode
d. Collet body - ANSWERS-b. End cap
Which of the following is NOT carried by the cables and hoses in GTAW?
a. Water
b. Electrode wire
c. Shielding gas
d. Electrical current - ANSWERS-b. Electrode wire
Which of the following part(s) of the torch must also be changed when a
different size tungsten electrode is used?
a. Torch body and end cap
b. Collet
c. End cap
d. Collet and collet body - ANSWERS-d. Collet and collet body
Flowmeters measure shielding gas flow rates in _____
a. Gallons per hour or liters per hour
b. Square feet per minute or square meters per hour
,c. Cubic feet per hour or liters per minute
d. Cubic feet per minute or cubic meters per minute - ANSWERS-c. Cubic feet
per hour or liters per minute
Which of these shielding gases are GMAW?
a. Argon and helium
b. Argon and oxygen
c. Helium and carbon dioxide
d. Carbon dioxide and nitrogen - ANSWERS-a. Argon and helium
To which voltage electrical circuits are GTAW machines connected?
a. 110 V and 120 V
b. 120 V 240 V
c. 120 V and 480 V
d. 240 V and 520 V - ANSWERS-b. 120 V 240 V
A general rule for setting flow is to use one second of gas flow for each ______
a. 5 amps
b. 10 amps
c. 20 amps
d. 50 amps - ANSWERS-b. 10 amps
The designation for each type of filler metal used in GTAW begins with the
letters "ER" What does the "R" stand for?
a. Reel
b. Rigid
, c. Rod
d. Recycle - ANSWERS-d. Recycle
What shape should an electrode tip used for dc welding have?
a. Tapered with a sharp point
b. Tapered with a blunted point
c. Balled on the end
d. Square cut - ANSWERS-a. Tapered with a sharp point
Which type of cylinder uses a fusible plug?
a. Oxygen
b. Acetylene
c. Both A and B
d. None of the above - ANSWERS-b. Acetylene
how is an acetylene hose nut different from an oxygen hose nut?
a. Acetylene hose nuts have left-hand threads and oxygen hose nuts have right-
hand threads; a groove is machined around the acetylene hose nut.
b. Oxygen hose nuts have left-hand threads and acetylene hose nuts have right-
hand threads; a groove is machined around the oxygen hose nut.
c. Acetylene hose nuts and oxygen hose nuts are the same.
d. Oxygen hose nuts are used for GTAW and acetylene hose nuts are used for
SMAW. - ANSWERS-a. Acetylene hose nuts have left-hand threads and oxygen
hose nuts have right-hand threads; a groove is machined around the acetylene
hose nut.
What part if the GTAW torch is tightened to cause the collect to grip the
electrode?
a. Gas nozzle
b. End cap
c. Electrode
d. Collet body - ANSWERS-b. End cap
Which of the following is NOT carried by the cables and hoses in GTAW?
a. Water
b. Electrode wire
c. Shielding gas
d. Electrical current - ANSWERS-b. Electrode wire
Which of the following part(s) of the torch must also be changed when a
different size tungsten electrode is used?
a. Torch body and end cap
b. Collet
c. End cap
d. Collet and collet body - ANSWERS-d. Collet and collet body
Flowmeters measure shielding gas flow rates in _____
a. Gallons per hour or liters per hour
b. Square feet per minute or square meters per hour
,c. Cubic feet per hour or liters per minute
d. Cubic feet per minute or cubic meters per minute - ANSWERS-c. Cubic feet
per hour or liters per minute
Which of these shielding gases are GMAW?
a. Argon and helium
b. Argon and oxygen
c. Helium and carbon dioxide
d. Carbon dioxide and nitrogen - ANSWERS-a. Argon and helium
To which voltage electrical circuits are GTAW machines connected?
a. 110 V and 120 V
b. 120 V 240 V
c. 120 V and 480 V
d. 240 V and 520 V - ANSWERS-b. 120 V 240 V
A general rule for setting flow is to use one second of gas flow for each ______
a. 5 amps
b. 10 amps
c. 20 amps
d. 50 amps - ANSWERS-b. 10 amps
The designation for each type of filler metal used in GTAW begins with the
letters "ER" What does the "R" stand for?
a. Reel
b. Rigid
, c. Rod
d. Recycle - ANSWERS-d. Recycle
What shape should an electrode tip used for dc welding have?
a. Tapered with a sharp point
b. Tapered with a blunted point
c. Balled on the end
d. Square cut - ANSWERS-a. Tapered with a sharp point
Which type of cylinder uses a fusible plug?
a. Oxygen
b. Acetylene
c. Both A and B
d. None of the above - ANSWERS-b. Acetylene
how is an acetylene hose nut different from an oxygen hose nut?
a. Acetylene hose nuts have left-hand threads and oxygen hose nuts have right-
hand threads; a groove is machined around the acetylene hose nut.
b. Oxygen hose nuts have left-hand threads and acetylene hose nuts have right-
hand threads; a groove is machined around the oxygen hose nut.
c. Acetylene hose nuts and oxygen hose nuts are the same.
d. Oxygen hose nuts are used for GTAW and acetylene hose nuts are used for
SMAW. - ANSWERS-a. Acetylene hose nuts have left-hand threads and oxygen
hose nuts have right-hand threads; a groove is machined around the acetylene
hose nut.
