NCCER
Wisconsin College
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Oxyfuel cutting test questions and answers
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Combining pure oxygen with a burning material causes 
a fire to flare and burn out of control. 
 
 
 
When a cutting job is completed and the oxyfuel equipment is no longer needed 
the first step in shutting down the oxyfuel cutting equipment is to close the fuel gas cylinder valve. 
 
 
 
When cutting thin steel with oxyfuel cutting equipment, 
hold the torch so that the tip is pointing in the direction the torch is traveling at a 15 to 20 degree angle. 
 
 
 
On a combination cutting torch, th...
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Trade Terms Quiz - Module 1 with 100% correct answers
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Lockout/Tagout 
The formal procedure for taking equipment out of service and ensuring it cannot be operated until an authorized person has returned it to service is _______. 
 
 
 
Excavation 
A(n) ___________ is any man-made cut, cavity, trench, or depression in an earth surface, formed by removing earth. 
 
 
 
Competent person 
A(n) _____________ identifies unsanitary, hazardous, or dangerous working conditions and has the authority to correct or eliminate them. 
 
 
 
Confined space 
A(n) __...
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Module 0103-15 Introductions to hand tools
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Another name for a machinist's hammer is 
A. Ball-peen hammer 
B. Claw hammer 
C. Veneer hammer 
D. Sledgehammer 
A. Ball-peen hammer 
 
 
 
A heavy-duty tool used to drive posts or other large stakes is a 
A. Mallet 
B. Sledgehammer 
C. Bell-faced hammer 
D. Ball-peen hammer 
B. Sledgehammer 
 
 
 
The proper angle for the edges of a cold chisel is 
A. 90 degrees 
B. 60 degrees 
C. 45 degrees 
D. 30 degrees 
B. 60 degrees 
 
 
 
The type of screw is shaped like a square (see picture) a 
A. Phi...
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Welding 1 Module 4 exam questions and answers
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(A-CAC) 
A jet of compressed air passing through the electrode holder and its head blows the molten metal away. 
 
 
 
All positions 
This (A-CAC) process can be used in _______________ on any metal that will conduct electricity, such as carbon steel, stainless steel, cast iron, and copper, as well as their alloys. 
 
 
 
gouge weld grooves, back-gouge welds, defective welds, cracks for welding 
It is primarily used to ___________________, ______________, ______________, and to prepare _________...
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Module 15 Air-Carbon Arc Cutting & Gouging with complete verified solution
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A-CAC 
This process can be used in all positions on any metal that will conduct electricity? 
 
 
 
gouge 
A primary purpose of the A-CAC process is to ________ weld grooves and prepare cracks for welding. 
 
 
 
compressed air 
To blow molten metal away, the A-CAC process uses jets of _________________ ______. 
 
 
 
currents 
The _______________ used with A-CAC electrodes compared to shielded metal arc welding (SMAW) electrodes of the same size are much higher. 
 
 
 
DC constant-current 
The ...
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Plasma Arc Cutting (PAC) exam study guide with 100% correct answers
- Exam (elaborations) • 3 pages • 2023
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In plasma arc cutting, plasma is created by _____. 
. super heating gas in an electric arc 
 
 
 
In most cases, plasma arc cutting is _____. 
faster and more efficient than other cutting methods 
 
 
 
The simplest plasma arc cutting units use filtered _____. 
.compressed air 
 
 
 
Industrial plasma cutting units can cut carbon steel up to _____. 
3" thick 
 
 
 
The most common plasma arc cutting torch uses _____. 
a pilot arc with the transferred arc process 
 
 
 
The typical plasma arc ...
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NCCER welding level 1 module 4 (air-carbon arc cutting gouging) ehove exam with 100% correct answers
- Exam (elaborations) • 3 pages • 2023
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To gouge weld grooves, to back-gouge welds, and to gouge out defective welds 
One of the primary uses for air-carbon arc cutting (A-CAC) is___. 
 
 
 
6" (15 cm) 
When the electrode is gripped in the torch handle, the electrode tip should be no further from the heads than ___. 
 
 
 
A rare-earth metal 
Electrodes designed for A-CAC use are copper coated and contain an arc-stabilizing ingredient referred to as ___. 
 
 
 
That the carbon arc electrodes to be used are completely dry. 
One of the...
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29103-15 - Plasma Arc Cutting exam questions and answers(verified for accuracy)
- Exam (elaborations) • 2 pages • 2023
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Gas 
In PAC, plasma is created by ___________? 
 
 
 
Faster & Efficient 
In most cases, PAC is ___________ & more ____________ than other cutting methods. 
 
 
 
A full leather hood 
Which PPE is considered optional in PAC? 
 
 
 
Gas 
Never carry matches or _________ filled lighters in your pockets. 
 
 
 
Compressed air 
The simplest PAC units use filtered __________? 
 
 
 
3" thick 
Industrial plasma cutting units can cut carbon steel up to ________ " thick? 
 
 
 
Pilot arc 
Most common ...
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NCCER Welding I 29107 SMAW - Equipment and Setup Trade Terms with correct definitions
- Exam (elaborations) • 1 pages • 2023
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Duty Cycle 
The percentage of a ten-minute period that a welding machine can continuously produce its rated amperage without overheating. 
 
 
 
Governor 
A device used to limit engine speed. 
 
 
 
Motor-generator 
A combination device in which the motor turns the shaft of a generator which in turn produces an AC voltage. 
 
 
 
Conductor 
A material that will support the flow of an electrical current. Copper wire is the most common conductor. 
 
 
 
Polarity 
Refers to the direction of electri...
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Welding Level Two NCCER Edition 4 questions and answers(verified for accuracy)
- Exam (elaborations) • 5 pages • 2023
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Welding symbols 
in WPS (Welding Procedure Sheet) they convey specific details for the weld 
 
 
 
Reference line 
base for all welding symbols. It is a horizontal line with an arrow at one end. 
 
 
 
Arrow line 
can be on either side of the reference line and it points to the location the welding symbol is to be applied 
 
 
 
American Welding Society (AWS) 
Most companies use the welding symbols from A2.4:2007, Standard Symbols for Welding, Brazing, and Nondestructive Examination as standardi...
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