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6 Month 5 > Tpc 417 Welding Principles > Flashcards

Tpc 417 Welding Principles Flashcards

1
Q

In welding, a filler rod is used to

Conduct electricity
Connect the electrode to the work
Remove excess metal from the weld
Supply extra metal to the weld

A

Supply extra metal to the weld

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2
Q

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

GMAW
GTAW
MIG
SMAW

A

SMAW

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3
Q

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

Fillet
Groove
Plug
Slot

A

Fillet

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4
Q

Crown; toe; depth
Face; toe; throat
Route; depth; toe
Toe; root; throat

A

Toe; root; throat

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5
Q

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

Configuration
Fitup
Loading
Penetration

A

Fitup

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6
Q

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

Assuming any metal in the area is hot
Moving any hoses or cables out of the way
Wearing eye protection
Wearing protective gloves

A

Moving any hoses or cables out of the way

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7
Q

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

Drain a chemical container before welding it
Keep any matches in your pocket
Remove combustibles from the area
Use a butane lighter to lite your torch

A

Remove combustibles from the area

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8
Q

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

Hold your head to one side of the work
Place a protective screen around the area
Turn off exhaust fans in the area
Wear a welding mask

A

Hold your head to one side of the work 

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9
Q

When welding, you should wear

A short sleeve shirt
Gloves made of leather or canvas
Low cut steel toe shoes
Pants with cuffs

A

Gloves made of leather or canvas

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10
Q

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

Fits on the fuel cylinder, but not the oxygen cylinder
Leaks after reasonable tightening
Shows a constant working pressure as the supply gradually decreases
Shows zero working pressure at the start

A

Leaks after reasonable tightening

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11
Q

Which of the following components is part of an Oxyfuel welding outfit 

Electrode
Filler cartridge
Torch
Welding cables

A

Torch

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12
Q

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

Boots or high cut shoes
Cap Made of knitted fabric
Coat with large pockets
Sweater with long sleeves

A

Boots or high cut shoes

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13
Q

When preparing for oxy fuel welding, which of the following steps, should you perform first?

Connect the hoses to the regulators
Connect the torch to the hoses
Crack the cylinder valve to blow out the dirt
Thread, each regulator into its cylinder

A

Crack the cylinder valves to blow out the dirt

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14
Q

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

Blue;white
White;blue
White;yellow
Yellow;white

A

White;blue

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15
Q

To shut down an Oxsee fuel welding system, first close the______valve on the________

Fuel;cylinder
Fuel;torch
Oxygen;cylinder
Oxygen;torch

A

Oxygen;torch

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16
Q

What is similar between oxy, fuel, welding, and arcwelding?

Area of heat concentration
Required joint preparation
Source of heat
Use of temperatures near 9000°F

A

Required joint preparation

17
Q

In arc welding the term DCEN means the electrode is _____ which causes electrons to move ________ the electrode

Negative; away from
Negative; toward
Neutral;away from
Neutral;toward

A

Negative; away from

18
Q

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

50 to 150
250 to 350
450 to 550
650 to 750

A

250 to 350

19
Q

What kind of welding uses a nonconsumable electrode

GMAW
GTAW
Oxyfuel
sMAW

A

GTAW

20
Q

Tools that are especially useful to Welder’s include

Chipping hammer
Degreasing solvent
File
Hacksaw

A

Chipping hammer

21
Q

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

GMAW
GTAW
Oxyfuel welding
SMAW

A

Oxyfuel welding

22
Q

In a horizontal weld, the welding is done from_____ the work. In a flat wild, it is done from.__________ the work

Above; below
Above; beside
Below; above
Beside; above

A

Beside; above

23
Q

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

Overhead; flat
Overhead; vertical
Vertical; flat
Vertical; overhead

A

Overhead; flat

24
Q

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

Adjust the welding machine controls
Obtain the necessary safety equipment
Position the torch correctly
Turn on the gas supply

A

Obtain the necessary safety equipment

25
Q

For most GTAW welding, you should tilt the gun about________ degrees from vertical in the direction of the world and keep a__________ in arc length

10; 1/16
15; 1/8
20; 1/4
25; 1/2

A

15; 1/8 

26
Q

Setting the current too high on a welding machine can cause

Insufficient penetration
Irregular weld beads
Waste of weld metal
Weld material pile up 

A

Irregular weld beads

27
Q

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

Arc blow
Hard to start arc
Overlap
Undercut

A

Arc blow

28
Q

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

Blowholes
Brittle welds
Inclusions
Porosity

A

Brittle welds

29
Q

Uneven expansion and contraction near a welded joint can cause_________ in the metal

Chemical breakdown
Excessive concavity
Inadequate penetration
Warping

A

Warping

30
Q

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

Chip test
Flame test
fracture test
Magnetic reaction test

A

Magnetic reaction test 

31
Q

The symbol below specifies a ________ weld, to be made on the____ Side of the joint 

Bevel; other
Fillet; arrow
Square; other
V-joint; arrow

A

Fillet; arrow 

32
Q

The weld should be _____in. high

1/2
2
2.5.
From 2 to 5

A

1/2

33
Q

The exposed surface of the weld should be

Concave
Convex
Flush
Hardened

A

Convex 

34
Q

The weld should be finished by

Chipping
Hammering
Machining
Unspecified

A

Hammering 

35
Q

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

Gas metal arc
Oxyacetylene
Resistance
Unspecified

A

Unspecified 

6 Month 5 (8 decks)

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