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FREE STANDARDIZED TESTS AND STUDY GAMES ABOUT
NOCTI REVIEW WELDING
Qs and Ans Expert- Explanation
This Exam contains:
-Guarantee passing score -24 Questions and Answers -format set of multiple-choice -Expert- Explanation
Question 1: A common welding problem is poor penetration.
One of the causes of this problem is
a) Electrode too small
b) Parts clamped incorrectly
c) Current too low
d) Arc too long
Answer:
Current too low
Question 2: In GTAW of aluminum, the most common shielding
gas used is
a) Pure argon
- 75% argon / 25% helium
- 10% argon / 90% helium
d) Pure helium
Answer:
Pure argon
Question 3: If one pound of E?6010 SMAW electrode costs
$0.452 per pound, 80 pounds would cost 34.27 36.16 38.53 40.12
Answer:
36.16
Question 4: Use the same style cutting tip for both natural gas
and Acetylene Propane Propylene Mapp
Answer:
Propane
Question 5: A consumable in the GTAW process would include
a) Voltage
b) Amperage
c) Collets
d) Resistance
Answer:
Collets
Question 6: An example of an inert gas is
a) Helium
b) Oxygen
c) Chlorine
d) Nitrogen dioxide
Answer:
Helium Question 7: . A class A fire extinguisher can be safely used on a/an________ fire.Wood Grease Electrical Magnesium
Answer:
Wood
Question 8: When medium gas welding, a number _______ filter
lens should be used.2 4 6 8
Answer:
6
Question 9: On GMAW welding machine controls, the wire feed
speed is used to control
a) Voltage
b) Amperage
c) Polarity
d) Resistance
Answer:
Amperage
Question 10: A neutral oxygen?acetylene flame has a temperature
range of 500 to 550 ?F 580 to 630 ?F 5000 to 5500 ?F 5800 to 6300 ?F
Answer:
5800 to 6300 ?F
Question 11: A constant current power supply is required for
a) GMAW
b) GTAW
c) FCAW
d) SAW
Answer:
GTAW
Question 12: In GMAW, pieces of electrode sticking to the weld
joint are known as
a) Projectors
b) Stragglers
c) Hairlines
d) Whiskers
Answer:
Whiskers
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