Welding textbook CH 7

Welding textbook CH 7

12th Grade

21 Qs

quiz-placeholder

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Welding textbook CH 7

Welding textbook CH 7

Assessment

Quiz

Other

12th Grade

Medium

Created by

Lisa Kemp

Used 17+ times

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which AWS specification covers electrodes used for welding low-alloy steels?

A.5.9

A.5.18

A.5.28

A.5.30

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For GTAW or GMAW, the electrode is held in a(n) ____.

electrode holder

electrode clamp

gas welding torch

GTAW torch or GMAW gun

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a constant voltage machine is used, a ____.

small percentage change in voltage leads to a smaller percentage change in current

small percentage change in current leads to a smaller percentage change in voltage

large percentage change in voltage leads to a larger percentage change in current

small percentage change in voltage leads to a larger percentage change in current

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a constant current welding machine is used, a ____.

small percentage change in voltage leads to a larger percentage change in current

large percentage change in voltage leads to a smaller percentage change in current

large percentage change in voltage leads to a larger percentage change in current

large percentage change in current leads to a smaller percentage change in voltage

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which shielding gas provides the best cleaning action, cross-draft protection, and the lowest overall cost?

Helium

Carbon dioxide

Nitrogen

Argon

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A flowmeter measures and controls the ____ of the gas flow.

pressure and volume

pressure

volume

density

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The maximum current generally used on a light-duty shielding gas-cooled GTAW torch is ____ amperes.

45

75

150

200

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