welding safety
Columbia International University
Page 2 out of 30 results
Sort by
-
NCCER Electrical Level 3 Module 5 'Overcurrent Protection' exam(fully solved)(verified for accuracy)
- Exam (elaborations) • 6 pages • 2023
- Available in package deal
-
- $14.99
- 1x sold
- + learn more
Worn motor bearings are most to result in a(n)___. 
continuous overload 
 
 
 
A high-level short circuit current may exceed ___. 
50,000A` 
 
 
 
Accidental contact between an electrical conductor and a grounded enclosure is called a(n)___. 
ground fault 
 
 
 
Most arcing faults begin as ___. 
ground faults 
 
 
 
A plug fuse with a hexagonal cap has a maximum amperage rating of ___. 
15A 
 
 
 
Under normal operation and at currents near its ampere rating, a fuse operates as a ___. 
conductor...
-
Welding level 2 final exam questions and answers(verified for accuracy)
- Exam (elaborations) • 8 pages • 2023
- Available in package deal
-
- $13.49
- + learn more
increase 
If the wire speed is increased during GMAW or FCAW work, the voltage must __________________________. 
 
 
 
tungsten 
In GTAW, the torch holds a (an) __________________ electrode. 
 
 
 
120 
When tapering the point on a tungsten electrode, use ______-grit grinding wheels or sanding belts for finishing. 
 
 
 
the wire to fuse to the tip 
If the welding voltage is set too high, the arc will be too long and could cause __________________________________________________________. 
 
 
 
...
-
LEVEL 1 RACEWAYS & FITTINGS NCCER MODULE EXAM QUESTIONS WITH VERIFIED CORRECT ANSWERS.docx
- Exam (elaborations) • 7 pages • 2023
- Available in package deal
-
- $15.99
- + learn more
What is the purpose of a sealing fitting (seal off) 
To minimize the passage of gas vapors and flames through a conduit. 
 
 
 
What is article 344 of NEC 
Will be covering RMC or Rigid metal conduit 
 
 
 
What is one characteristic of aluminum conduit? 
It is more resistant to wet environments. 
 
 
 
When installing EMT or electrical metallic tubing it must? 
be supported every 10 feet 
 
 
 
EMT is often referred as? 
Thin wall type conduit. 
 
 
 
A type of conduit body with a 90° connecto...
-
NCCER Electrical Level 2 Module 9 Grounding and Bonding exam questions with 100% correct answers
- Exam (elaborations) • 7 pages • 2023
- Available in package deal
-
- $14.49
- + learn more
NEC Article 250 ______. 
is the primary governing article for the proper use and installation of grounding and bounding. 
 
 
 
Suppose a loose connection has been exposed bare conductor and it contacts the edge of a metal enclosure. Is this an example of a short circuit or a ground fault? 
ground fault 
 
 
 
A single-phase system has two legs, Leg A and Leg B. If Leg A is carrying 50A and Leg B is carrying 45A, the current carried by the neutral is _____. 
50A-45A=5A (Leg A- Leg B) 
 
 
 
Assu...
-
NCCER Millwright Level II Module 7 Gaskets and Packing exam questions with 100% correct answers(verified for accuracy)
- Exam (elaborations) • 21 pages • 2023
- Available in package deal
-
- $15.49
- + learn more
NCCER Millwright Level II Module 7 Gaskets and Packing exam questions with 100% correct answers(verified for accuracy)
And that's how you make extra money
-
Welding Level 1 exam questions with 100% correct answers
- Exam (elaborations) • 3 pages • 2023
- Available in package deal
-
- $13.99
- + learn more
Welding current is transferred from the electrode holder, through the ___ and into the work 
Wire core of the electrode 
 
 
 
The harmful oxygen and hydrogen present in the atmosphere surrounding a molten weld is pushed away from the weld by the ____ created during the welding process 
Gaseous shield of carbon dioxide 
 
 
 
The purpose of the specifications written by the American welding society (aws) is to set standards that all manufacturers must follow when manufacturing ____ 
Welding cons...
-
Welding Level 2, Module 9 questions and answers
- Exam (elaborations) • 2 pages • 2023
- Available in package deal
-
- $14.99
- + learn more
no postweld cleaning is necessary 
Since there is no flux in GTAW welding, ____________________. 
 
 
 
rear deflector material and a face shield. 
When a hard hat is required while welding, use one that allows the attachment of _____________________. 
 
 
 
any welding or cutting 
Approved fire extinguishers must be available before ____________________. 
 
 
 
has little or no cleaning action 
Clean the steel plate before welding to remove mill scale, because the direct current electrode negat...
-
Welding Level 2, Module 8 questions with verified solutions
- Exam (elaborations) • 3 pages • 2023
- Available in package deal
-
- $14.49
- + learn more
GTAW 
If you see the label TIG on a welding machine, that machine is considered to be what kind of welding machine? 
 
 
 
oxygen 
During the GTAW process, UV radiation in the atmosphere near the weld can ionize ___________________. 
 
 
 
direct current electrode negative (DCEN) 
GTAW is most commonly performed using ___________________. 
 
 
 
1/2 inch 
High voltage, high frequency current creates a very stable arc that is able to jump a gap of about _____________________. 
 
 
 
arc starting ...
-
Welding Level 2, Module 7 questions and answers
- Exam (elaborations) • 2 pages • 2023
- Available in package deal
-
- $14.99
- + learn more
flux 
A shielding gas can be generated entirely from the ____________________ in the electrode core. (self shielded FCAW-S) 
 
 
 
rear deflector material 
If a hard hat is required for the environment, use one that allows the attachment of ____________________. 
 
 
 
flash sheids 
When preparing to practice welding, set up ____________________ around the welding area. 
 
 
 
30 to 37 1/2 
V-groove weld coupons must be beveled at _________to___________degrees for carbon steel or low alloy plate...
-
Nccer Plumbing Level 1 exam questions and answers(verified for accuracy).
- Exam (elaborations) • 18 pages • 2023
- Available in package deal
-
- $16.49
- + learn more
The modern word for plumber is derived from the Latin word for 
A person who works with lead 
 
 
 
LEED applies to all areas of the profession, except 
Renovation 
 
 
 
Water that comes from laundry and bathtubs and reused in known as 
Graywater 
 
 
 
Suggested national plumbing standards are called 
Model codes 
 
 
 
You are offered a job by another contractor before you have fulfilled your current obligations. The professional response is to 
Ask the contractor to wait until you have met y...
Did you know that on average a seller on Stuvia earns $82 per month selling study resources? Hmm, hint, hint. Discover all about earning on Stuvia