iron worker final
Study online at https://quizlet.com/_565l57
1. the kindling temperature of steel is: 1600 degrees
2. one advantage of the OFC process is that it is: portable
3. the materials that can be cut with OFC are limited primarily to _______ma-
terials: ferrous
4. A welder opens the cylinder valve slightly and closes it immediately. what
process did he/she perform?: cracking the cylinder
5. A device that prevents the reverse flow of gasses that would result in a
combustible mixture in the welding hose is a: check valve
6. A condition in which the flame burns inside the tip, torch or hose is known
as a: flashback
7. acetylene cylinder valves should be opened only approximately one to
one-and-a-half turns to: provide quick closure in case of an emergency
8. most oxygen and fuel gas regulators have gauges that measure actual
pressure in the cylinder and: pressure at the torch
9. while oxygen cylinder pressure may be as high as 2200 psi, working pres-
sure ranges from_______to______psi.: 1, 50
10. which is the best flame for welding and cutting?: Neutral
11. Which of the following conditions will cause carburizing or reducing
flame?: excess acetylene
12. If an operator using an OFC process produced an irregular cut surface with
pitting and undercutting, the most likely cause is: a dirty cutting tip
13. which of the following is basic definition of concrete?: artificially made rock
14. what is the term for the weight of all moving and constantly acting loads?-
: live load
15. which of the following is not one of the three basic components of con-
crete?: lime
16. which of the following is the most accurate range of strengths for con-
crete?: 3000 to 20,000 psi
17. when reinforcing concrete, what does the steel add to the concrete?: ten-
sile strength
18. what size wire is used to tie most rebar?: 16
19. which of the following is a low foundation wall of sufficient depth to extend
below the frost line?: grade beam
20. concrete is strong in compression and______, but weak in______.: shear,
tension
21. what are the small "U" or "W" shaped bars placed across a beam to resist
diagonal tension known as?: stirrups
22. Bar supports are also referred to as: accessories
1/5
, iron worker final
Study online at https://quizlet.com/_565l57
23. the function of the______is to safely transmit the superstructure loads to
the ground without causing settlement.: foundation
24. in order to connect the column to its supports,______are required.: dowels
25. in erecting a wall where the footings have been previously doweled, it is
necessary for all dowels to be______and______.: straight, in-line
26. columns are made up of vertical bars and: bands or ties
27. what are the end supports for a beam bridge called?: abutments
28. SMAW uses which of the following electrode polarities?: all of the above
29. All arc-welding processes require a continuous supply of electrical cur-
rent. What type of current can be used for SMAW?: AC or DC
30. What type of power source yields a small welding current change when
there is a large arc voltage change?: constant current power source.
31. the majority of SMAW welding is done using direct current electrode
positive (DCEP). This is also known as______.: reverse polarity
32. Arc length can be defined as the distance from the end of the electrode to
the______.: work piece
33. The electrode assembly for a specific welding application is selected
based on the______being used to weld.: amperage
34. If a cable that is too small in diameter is used for a welding application,
then what could be the result?: heat up and could cause a fire
35. There are 4 main groups of electrodes. These include fast-freeze, fast-fill,
fill-freeze and low______.: hydrogen
36. An electrode is classified as E7024. What does the 2 stand for?: flat and
horizontal
37. An electrode is classified as E6010. What does the 60 stand for?: tensile
strength
38. Which of the following is the first step to follow when choosing a SMAW
electrode for a specific welding application?: select the required tensile strength
39. What can be the result of low hydrogen rods picking up moisture in the
coating?: hydrogen-induced cracking of the weld.
40. What SMAW technique is used to force the arc to stay ahead of the
puddle?: drag angle
41. In figure 8.1, the A is the______angle and B is the______angle.: travel, work
42. Most of the SMAW weld applications encountered will______beads when
welding a single pass weld or on the first pass of a multiple pass weld.: stringer
43. If the notation for a wide-flange beam is W12×14×8'6", the 14 indi-
cates______.: weight per foot of the beam in pounds.
2/5
Study online at https://quizlet.com/_565l57
1. the kindling temperature of steel is: 1600 degrees
2. one advantage of the OFC process is that it is: portable
3. the materials that can be cut with OFC are limited primarily to _______ma-
terials: ferrous
4. A welder opens the cylinder valve slightly and closes it immediately. what
process did he/she perform?: cracking the cylinder
5. A device that prevents the reverse flow of gasses that would result in a
combustible mixture in the welding hose is a: check valve
6. A condition in which the flame burns inside the tip, torch or hose is known
as a: flashback
7. acetylene cylinder valves should be opened only approximately one to
one-and-a-half turns to: provide quick closure in case of an emergency
8. most oxygen and fuel gas regulators have gauges that measure actual
pressure in the cylinder and: pressure at the torch
9. while oxygen cylinder pressure may be as high as 2200 psi, working pres-
sure ranges from_______to______psi.: 1, 50
10. which is the best flame for welding and cutting?: Neutral
11. Which of the following conditions will cause carburizing or reducing
flame?: excess acetylene
12. If an operator using an OFC process produced an irregular cut surface with
pitting and undercutting, the most likely cause is: a dirty cutting tip
13. which of the following is basic definition of concrete?: artificially made rock
14. what is the term for the weight of all moving and constantly acting loads?-
: live load
15. which of the following is not one of the three basic components of con-
crete?: lime
16. which of the following is the most accurate range of strengths for con-
crete?: 3000 to 20,000 psi
17. when reinforcing concrete, what does the steel add to the concrete?: ten-
sile strength
18. what size wire is used to tie most rebar?: 16
19. which of the following is a low foundation wall of sufficient depth to extend
below the frost line?: grade beam
20. concrete is strong in compression and______, but weak in______.: shear,
tension
21. what are the small "U" or "W" shaped bars placed across a beam to resist
diagonal tension known as?: stirrups
22. Bar supports are also referred to as: accessories
1/5
, iron worker final
Study online at https://quizlet.com/_565l57
23. the function of the______is to safely transmit the superstructure loads to
the ground without causing settlement.: foundation
24. in order to connect the column to its supports,______are required.: dowels
25. in erecting a wall where the footings have been previously doweled, it is
necessary for all dowels to be______and______.: straight, in-line
26. columns are made up of vertical bars and: bands or ties
27. what are the end supports for a beam bridge called?: abutments
28. SMAW uses which of the following electrode polarities?: all of the above
29. All arc-welding processes require a continuous supply of electrical cur-
rent. What type of current can be used for SMAW?: AC or DC
30. What type of power source yields a small welding current change when
there is a large arc voltage change?: constant current power source.
31. the majority of SMAW welding is done using direct current electrode
positive (DCEP). This is also known as______.: reverse polarity
32. Arc length can be defined as the distance from the end of the electrode to
the______.: work piece
33. The electrode assembly for a specific welding application is selected
based on the______being used to weld.: amperage
34. If a cable that is too small in diameter is used for a welding application,
then what could be the result?: heat up and could cause a fire
35. There are 4 main groups of electrodes. These include fast-freeze, fast-fill,
fill-freeze and low______.: hydrogen
36. An electrode is classified as E7024. What does the 2 stand for?: flat and
horizontal
37. An electrode is classified as E6010. What does the 60 stand for?: tensile
strength
38. Which of the following is the first step to follow when choosing a SMAW
electrode for a specific welding application?: select the required tensile strength
39. What can be the result of low hydrogen rods picking up moisture in the
coating?: hydrogen-induced cracking of the weld.
40. What SMAW technique is used to force the arc to stay ahead of the
puddle?: drag angle
41. In figure 8.1, the A is the______angle and B is the______angle.: travel, work
42. Most of the SMAW weld applications encountered will______beads when
welding a single pass weld or on the first pass of a multiple pass weld.: stringer
43. If the notation for a wide-flange beam is W12×14×8'6", the 14 indi-
cates______.: weight per foot of the beam in pounds.
2/5
