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 ferrous
primarily to _______materials
4. A welder opens the cylinder valve slightly and closes cracking the cylinder
it immediately. what process did he/she perform?
5. A device that prevents the reverse flow of gasses that check valve
would result in a combustible mixture in the welding
hose is a
6. A condition in which the flame burns inside the tip, flashback
torch or hose is known as a
7. acetylene cylinder valves should be opened only ap- provide quick closure in case
proximately one to one-and-a-half turns to of an emergency
8. most oxygen and fuel gas regulators have gauges pressure at the torch
that measure actual pressure in the cylinder and
9. while oxygen cylinder pressure may be as 1, 50
high as 2200 psi, working pressure ranges
from_______to______psi.
10. which is the best flame for welding and cutting? Neutral
11. Which of the following conditions will cause carbur- excess acetylene
izing or reducing flame?
12. a dirty cutting tip
1/9
, iron worker final
Study online at https://quizlet.com/_565l57
If an operator using an OFC process produced an
irregular cut surface with pitting and undercutting,
the most likely cause is
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 live load
constantly acting loads?
15. which of the following is not one of the three basic lime
components of concrete?
16. which of the following is the most accurate range of 3000 to 20,000 psi
strengths for concrete?
17. when reinforcing concrete, what does the steel add tensile strength
to the concrete?
18. what size wire is used to tie most rebar? 16
19. which of the following is a low foundation wall of grade beam
sufficient depth to extend below the frost line?
20. concrete is strong in compression and______, but shear, tension
weak in______.
21. what are the small "U" or "W" shaped bars placed stirrups
across a beam to resist diagonal tension known as?
22. Bar supports are also referred to as accessories
23. the function of the______is to safely transmit the su- foundation
perstructure loads to the ground without causing
settlement.
2/9
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 ferrous
primarily to _______materials
4. A welder opens the cylinder valve slightly and closes cracking the cylinder
it immediately. what process did he/she perform?
5. A device that prevents the reverse flow of gasses that check valve
would result in a combustible mixture in the welding
hose is a
6. A condition in which the flame burns inside the tip, flashback
torch or hose is known as a
7. acetylene cylinder valves should be opened only ap- provide quick closure in case
proximately one to one-and-a-half turns to of an emergency
8. most oxygen and fuel gas regulators have gauges pressure at the torch
that measure actual pressure in the cylinder and
9. while oxygen cylinder pressure may be as 1, 50
high as 2200 psi, working pressure ranges
from_______to______psi.
10. which is the best flame for welding and cutting? Neutral
11. Which of the following conditions will cause carbur- excess acetylene
izing or reducing flame?
12. a dirty cutting tip
1/9
, iron worker final
Study online at https://quizlet.com/_565l57
If an operator using an OFC process produced an
irregular cut surface with pitting and undercutting,
the most likely cause is
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 live load
constantly acting loads?
15. which of the following is not one of the three basic lime
components of concrete?
16. which of the following is the most accurate range of 3000 to 20,000 psi
strengths for concrete?
17. when reinforcing concrete, what does the steel add tensile strength
to the concrete?
18. what size wire is used to tie most rebar? 16
19. which of the following is a low foundation wall of grade beam
sufficient depth to extend below the frost line?
20. concrete is strong in compression and______, but shear, tension
weak in______.
21. what are the small "U" or "W" shaped bars placed stirrups
across a beam to resist diagonal tension known as?
22. Bar supports are also referred to as accessories
23. the function of the______is to safely transmit the su- foundation
perstructure loads to the ground without causing
settlement.
2/9
