brazing

brazing

Professional Development

10 Qs

quiz-placeholder

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brazing

brazing

Assessment

Passage

Science

Professional Development

Hard

NGSS
MS-PS3-3, HS-PS1-5

Standards-aligned

Created by

Jermaine Taffe

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step when brazing copper tubing?

Purge the air from the system

Remove any Schrader cores

Cut the copper tubing

Clean the copper with an emery cloth

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What tool is used to deburr copper tubing after cutting?

Needle nose pliers

A navac deburring tool

A wrench

A torch

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of flowing nitrogen while brazing?

To cool down the tubing

To clean the tubing

To increase the heat

To prevent oxidation inside the tubing

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct setting for oxygen and acetylene when using a standard tip?

5 for both oxygen and acetylene

7 for acetylene and 11 for oxygen

7 for both oxygen and acetylene

10 for both oxygen and acetylene

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct procedure to light the torch?

Oxygen first, then acetylene

Acetylene only, then mix in oxygen

Oxygen and acetylene together

Acetylene first, then oxygen

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of flame is typically sought for brazing?

Oxidizing flame

Neutral flame

Carburizing flame

Reducing flame

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main reason for using wet rag heat blocking putty?

To clean the tubing

To apply flux

To protect critical system components from heat

To cool down the tubing quickly

Tags

NGSS.MS-PS3-3

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