welding Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

what cable offers the most resistence to current flow

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what term expresses the strength of a current of electricty

A

amperage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

when there is no current flowing in the circut but the mashine is on you can measure what

A

open circuit volts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the most common pull feed system

A

spool on the gun

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what system maintains the arc length by auto ajusting the the amp output

A

constant speed wire feeder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what are the four catagories of workplace hazards
hint 4 bcep

A

biological chemical ergomoic phycsal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

1g weld the what do you do if the keyhole is not melting evenly in the groove

A

adjust electrode angle force keyhole in the center

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what does pipe scheual mean

A

wall thickness and strength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

how much carbon is in high carbon steel

A

0.45 to 0.75

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

when should you change tip for cutting

A

when using propane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what are the modes of metal transfer

A

short circut, globular, spary, and pulsed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

who writes codes and standers

A

cwb and aws

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is the ratio for different sized metal

A

3 to1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is the stickout distance for cac-a

A

7 inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

how much graphie is to be exposed

A

3/4 to 2 inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

whats the psi for cac a

A

80 to 100 psi

17
Q

for oxygen bottles when does the metal rupture disk go

A

3200

18
Q

what hand treads do oxygen tanks have

A

right hand threads

19
Q

how many psi does acetleye have

A

250 psi

20
Q

what is added to acetylene to stabize it

A

acetone

21
Q

what is the draw limit on acetylene

A

1/7

22
Q

what hand thread is actelyne

A

left

23
Q

what kind of fittings are you able to use with oxy acettylene

A

yellow brass or steel

24
Q
A
25
Q

what is the heat treated process that reduces hardness and reduces hardness and promotes toughness

A

tempering

26
Q

what are two post weld heat treatments that involve temprutres below the lower critical temps

A

stress relieving and tempering

27
Q

what does tempering do

A

it reduces hardness and promotes toughness

28
Q

what drawings indicate the location of a structure on a building lot

A

site plans

29
Q

how is a gauge mesured in an l shape

A

heel to center line

30
Q

what drawing provides complete information for the fabrication of the part

A

detail drawing

31
Q

what drawings provide general information on the location and dimension of structial members

A

framing plans

32
Q

what types of drawing show the location of a major sructure components

A

site plans

33
Q

what is the abbr for double extra heavy pipe

A

xxh

34
Q

what does the abbr for RFSO

A

raised face slip on