Iron Worker Final 2025/2026 Exam
Questions and Detailed Answers | Get it
100% Correct Answers
the kindling temperature of steel is - 🧠 ANSWER ✔✔1600 degrees
one advantage of the OFC process is that it is - 🧠 ANSWER ✔✔portable
the materials that can be cut with OFC are limited primarily to
_______materials - 🧠 ANSWER ✔✔ferrous
A welder opens the cylinder valve slightly and closes it immediately. what
process did he/she perform? - 🧠 ANSWER ✔✔cracking the cylinder
A device that prevents the reverse flow of gasses that would result in a
combustible mixture in the welding hose is a - 🧠 ANSWER ✔✔check valve
A condition in which the flame burns inside the tip, torch or hose is known
as a - 🧠 ANSWER ✔✔flashback
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
, acetylene cylinder valves should be opened only approximately one to one-
and-a-half turns to - 🧠 ANSWER ✔✔provide quick closure in case of an
emergency
most oxygen and fuel gas regulators have gauges that measure actual
pressure in the cylinder and - 🧠 ANSWER ✔✔pressure at the torch
while oxygen cylinder pressure may be as high as 2200 psi, working
pressure ranges from_______to______psi. - 🧠 ANSWER ✔✔1, 50
which is the best flame for welding and cutting? - 🧠 ANSWER ✔✔Neutral
Which of the following conditions will cause carburizing or reducing flame?
- 🧠 ANSWER ✔✔excess acetylene
If an operator using an OFC process produced an irregular cut surface with
pitting and undercutting, the most likely cause is - 🧠 ANSWER ✔✔a dirty
cutting tip
which of the following is basic definition of concrete? - 🧠 ANSWER
✔✔artificially made rock
what is the term for the weight of all moving and constantly acting loads? -
🧠 ANSWER ✔✔live load
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
2
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Questions and Detailed Answers | Get it
100% Correct Answers
the kindling temperature of steel is - 🧠 ANSWER ✔✔1600 degrees
one advantage of the OFC process is that it is - 🧠 ANSWER ✔✔portable
the materials that can be cut with OFC are limited primarily to
_______materials - 🧠 ANSWER ✔✔ferrous
A welder opens the cylinder valve slightly and closes it immediately. what
process did he/she perform? - 🧠 ANSWER ✔✔cracking the cylinder
A device that prevents the reverse flow of gasses that would result in a
combustible mixture in the welding hose is a - 🧠 ANSWER ✔✔check valve
A condition in which the flame burns inside the tip, torch or hose is known
as a - 🧠 ANSWER ✔✔flashback
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
1
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, acetylene cylinder valves should be opened only approximately one to one-
and-a-half turns to - 🧠 ANSWER ✔✔provide quick closure in case of an
emergency
most oxygen and fuel gas regulators have gauges that measure actual
pressure in the cylinder and - 🧠 ANSWER ✔✔pressure at the torch
while oxygen cylinder pressure may be as high as 2200 psi, working
pressure ranges from_______to______psi. - 🧠 ANSWER ✔✔1, 50
which is the best flame for welding and cutting? - 🧠 ANSWER ✔✔Neutral
Which of the following conditions will cause carburizing or reducing flame?
- 🧠 ANSWER ✔✔excess acetylene
If an operator using an OFC process produced an irregular cut surface with
pitting and undercutting, the most likely cause is - 🧠 ANSWER ✔✔a dirty
cutting tip
which of the following is basic definition of concrete? - 🧠 ANSWER
✔✔artificially made rock
what is the term for the weight of all moving and constantly acting loads? -
🧠 ANSWER ✔✔live load
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
2
PRIVACY STATEMENT. ALL RIGHTS RESERVED
