NOCTI Carver Welding Exam Questions and Correct Answers.

NOCTI Carver Welding Exam Questions and
Correct Answers
Question 1
What joint connects two pieces at a right angle forming an L?
Correct Answer
Corner joint



Question 2
Why should synthetic clothing be avoided when welding?
Correct Answer
It can melt and stick to skin



Question 3
Why should grinders have guards installed?
Correct Answer
Protect from flying fragments



Question 4
What clothing is recommended for welding?
Correct Answer
Flame-resistant cotton or leather



Question 5
What polarity provides deeper penetration for many electrodes?
Correct Answer
DCEP (reverse polarity)




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,Question 6
What must be done after FCAW passes?
Correct Answer
Remove slag



Question 7
What line forms the base of a welding symbol?
Correct Answer
Reference line



Question 8
What protects the weld pool in FCAW?
Correct Answer
Flux core and sometimes shielding gas



Question 9
What does a flag at the arrow indicate?
Correct Answer
Field weld



Question 10
What does the third digit in an electrode classification indicate?
Correct Answer
Welding position capability



Question 11
What tool measures small gaps or thickness?
Correct Answer
Feeler gauge




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,Question 12
What is slag inclusion?
Correct Answer
Nonmetallic material trapped inside the weld



Question 13
What controls welding fumes effectively?
Correct Answer
Ventilation or fume extraction systems



Question 14
Why must tungsten be sharpened to a point for DC welding?
Correct Answer
Focus the arc



Question 15
What step should be taken after use of cutting equipment?
Correct Answer
Shut down and clean the torch and cables



Question 16
What technique helps control heat on thin materials?
Correct Answer
Pulse welding



Question 17
What must be done between SMAW passes?
Correct Answer
Remove slag and clean the bead




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, Question 18
What polarity is typically used for GMAW?
Correct Answer
DCEP (reverse polarity)



Question 19
What does GMAW stand for?
Correct Answer
Gas Metal Arc Welding



Question 20
What is toughness?
Correct Answer
Ability to absorb energy before breaking



Question 21
What position is 3F or 3G?
Correct Answer
Vertical



Question 22
What is a groove weld?
Correct Answer
Weld made in a prepared groove between members



Question 23
What joint forms a T shape?
Correct Answer
Tee joint




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