417

Question 1

In welding, a filler rod is used to

Answer 1

supply extra metal to the weld

Question 2

In which welding process does the electrode produce a shielding gas as it is consumed?

Answer 2

SMAW

Question 3

A veld with a triangular cross secion that joins two surfaces at right angles is called a __ weld

Answer 3

Fillet

Question 4

In the drawing below, number 1 is the ____ 2 is the _____ and 3 is the ___ of the weld

Answer 4

Toe, Root, Throat

Question 5

Joint allaignment, spacing, and edge preparation together are called joint

Answer 5

Fitup

Question 6

Good housekeeping in an area where vou are going to weld includes

Answer 6

moving any hoses or cables out of the way

Question 7

To avoid the risk of fire or explosion when you are welding or cutting, you should

Answer 7

Remove combustibles from the area

Question 8

Which of the following is a good way to protect yourself from fumes and gases during welding?

Answer 8

Hold your head to one side of the work

Question 9

When welding you should wear

Answer 9

Gloves made of leather or canvas

Question 10

You should have a qualified technician examine a regulator and repair it if the regulator

Answer 10

Leaks after reasonable tightening

Question 11

Which of the following components is part of an oxyfuel welding outft?

Answer 11

Torch

Question 12

Which of the following items of clothing protect you from flying sparks and metal spatters during welding?

Answer 12

Boots or high cut shoes

Question 13

When preparing for oxyfuel welding, which of he following steps should you perform first?

Answer 13

Crack the cylinder valves to blow out the dirt

Question 14

A neutral oxy acetylene flame has a ___ cone surrounded by a __ envelope

Answer 14

White; Blue

Question 15

To shut down an oxyfuel welding system, must close the __ valve on the ____

Answer 15

Oxygen; Torch

Question 16

What is similar between oxyfuel welding and arc welding?

Answer 16

Required joint preparation

Question 17

In arc welding the term DCEN means the electrode is ____ which causes electrons to move ___ the electrode

Answer 17

Negative; Away from

Question 18

A welding machine for average duty general service is rated in a range of about ___ A

Answer 18

250 - 350

Question 19

What kind of welding uses a nonconsumable electrode?

Answer 19

GTAW

Question 20

Tools that are especialy useful to welders include

Answer 20

Chipping Hammer

Question 21

When looking for an inexpensive welding method that does not require external power, you
should choose

Answer 21

Oxyfuel Welding

Question 22

In a horizontal weld, the welding is done from ___ the work. In a flat weld, it is done from ___ the work.

Answer 22

Beside; Above

Question 23

The most difficult positon for welding is ___. The easiest position is ___.

Answer 23

Overhead; Flat

Question 24

The first step you should take in preparation for SMAW welding is

Answer 24

Obtain the necessary safety equipment

Question 25

For most GTAW welding you should tilt the gun about ___ degrees from vertical in the direction of the weld and keep a ___ in arc length.

Answer 25

15; 1/8

Question 26

Setting the curent to high on a welding machine can cause

Answer 26

Irregular weld beads

Question 27

Which of the following problems can be corrected by welding with ac power?

Answer 27

Arc blow

Question 28

Excessive heating and cooling can result in which of the following faults?

Answer 28

Brittle welds

Question 29

Uneven expansion and contracion near a welded joint can cause ___ in the metal.

Answer 29

Warping

Question 30

Which of the following is a nondestructive test used in the identification of metals?

Answer 30

Magnetic reaction test

Question 31

The symbol below specifies a ___ weld to be made on the ___ side of the joint

Answer 31

Fillet; Arrow

Question 32

The weld should be ___ in high

Answer 32

1/2

Question 33

The exposed suface of the weld should be

Answer 33

Convex

Question 34

The weld should be finished by

Answer 34

Hammering

Question 35

The symbol tells the welder to use what kind of welding?

Answer 35

Unspecified