417

Question 1

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

Answer 1

SMAW

Question 2

A weld with a triangular cross section that joins two surfaces at right angles is called a ______ weld

Answer 2

Fillet

Question 3

In the drawing below, number 1 is the _____ 2 is the ________ 3 is the ________ of the weld

Answer 3

toe; root; throat

Question 4

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

Answer 4

Fitup

Question 5

Which welding procedure uses a gas flame to reach the high temperature needed for fusion?

Answer 5

Oxyfuel

Question 6

Resistance welding is typically used to join metals _______ in. thick

Answer 6

Less that 1/4

Question 7

Which type of fillet weld is used to attach a smaller piece of metal, such as a handle, to a larger one?

Answer 7

Boxing

Question 8

Which of the following welds is used primarily for filling rather than joining?

Answer 8

Slot

Question 9

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

Answer 9

remove combustibles from the area

Question 10

Which of the fallowing is used to indicate the lens shade of a welding helmet?

Answer 10

Number

Question 11

Welding hoses are _____ for oxygen and _____ for acetylene

Answer 11

green, red

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 the following steps should you perform first?

Answer 13

Crack the cylinder valves to blow out the dirt

Question 14

A neutral oxyacetylene flame has a ______ cone surrounded by a _______ envelope

Answer 14

white, blue

Question 15

To prevent unneeessary pressure buildup, oxygen cylinders should never be

Answer 15

exposed to high temperatures

Question 16

The cylinder valves on oxygen tanks should be

Answer 16

free of grease and oil

Question 17

A highly carburizing flame is used to weld

Answer 17

white cast iron

Question 18

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

Answer 18

250 to 350

Question 19

What kind of welding uses a nonconsumable electrode?

Answer 19

GTAW

Question 20

Tools that are especially useful to welders include

Answer 20

chipping hammer

Question 21

In a DC welding circuit, the direction of current is called the

Answer 21

polarity

Question 22

Which type of DC welding is most commonly used for overhead welds?

Answer 22

DCEP

Question 23

A welding machine duty cycle is based on _______ min periods

Answer 23

10

Question 24

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

Answer 24

beside, above

Question 25

The most difficult position for welding is ______. The easiest position is ______

Answer 25

overhead, flat

Question 26

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 26

15; 1/8

Question 27

Which sound indicates the proper arc length for the SMAW process?

Answer 27

Crackling

Question 28

When using the GMAW process, increasing the ______ will correct the problem of the electrode burning back into the contact tip.

Answer 28

Wire feed speed

Question 29

Uneven expansion and contraction 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

In manual SMAW work, correct travel speed is indicated by ______ puddle

Answer 31

an egg shaped

Question 32

Which of the following should be done to relieve internal stresses when welding?

Answer 32

Preheat and postheat

Question 33

The weld should be _____ in. high
W/ PICTURE ILLUSTRATION

Answer 33

1/2

Question 34

The exposed surface of the weld should be
W/ PICTURE ILLUSTRATION

Answer 34

Convex

Question 35

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

W/ PICTURE ILLUSTRATION

Answer 35

Unspecified