IRON WORKER FINAL EXAM QUESTIONS
COMPLETE WITH VERIFIED ANSWERS
\Q\.the kindling temperature of steel is - ANSWERS✔-1600 degrees
\Q\.one advantage of the OFC process is that it is - ANSWERS✔-portable
\Q\.the materials that can be cut with OFC are limited primarily to
_______materials - ANSWERS✔-ferrous
\Q\.A welder opens the cylinder valve slightly and closes it immediately. what
process did he/she perform? - ANSWERS✔-cracking the cylinder
\Q\.A device that prevents the reverse flow of gasses that would result in a
combustible mixture in the welding hose is a - ANSWERS✔-check valve
\Q\.A condition in which the flame burns inside the tip, torch or hose is known as
a - ANSWERS✔-flashback
\Q\.acetylene cylinder valves should be opened only approximately one to one-
and-a-half turns to - ANSWERS✔-provide quick closure in case of an emergency
, \Q\.most oxygen and fuel gas regulators have gauges that measure actual
pressure in the cylinder and - ANSWERS✔-pressure at the torch
\Q\.while oxygen cylinder pressure may be as high as 2200 psi, working pressure
ranges from_______to______psi. - ANSWERS✔-1, 50
\Q\.which is the best flame for welding and cutting? - ANSWERS✔-Neutral
\Q\.Which of the following conditions will cause carburizing or reducing flame? -
ANSWERS✔-excess acetylene
\Q\.If an operator using an OFC process produced an irregular cut surface with
pitting and undercutting, the most likely cause is - ANSWERS✔-a dirty cutting tip
\Q\.which of the following is basic definition of concrete? - ANSWERS✔-artificially
made rock
\Q\.what is the term for the weight of all moving and constantly acting loads? -
ANSWERS✔-live load
\Q\.which of the following is not one of the three basic components of concrete? -
ANSWERS✔-lime
COMPLETE WITH VERIFIED ANSWERS
\Q\.the kindling temperature of steel is - ANSWERS✔-1600 degrees
\Q\.one advantage of the OFC process is that it is - ANSWERS✔-portable
\Q\.the materials that can be cut with OFC are limited primarily to
_______materials - ANSWERS✔-ferrous
\Q\.A welder opens the cylinder valve slightly and closes it immediately. what
process did he/she perform? - ANSWERS✔-cracking the cylinder
\Q\.A device that prevents the reverse flow of gasses that would result in a
combustible mixture in the welding hose is a - ANSWERS✔-check valve
\Q\.A condition in which the flame burns inside the tip, torch or hose is known as
a - ANSWERS✔-flashback
\Q\.acetylene cylinder valves should be opened only approximately one to one-
and-a-half turns to - ANSWERS✔-provide quick closure in case of an emergency
, \Q\.most oxygen and fuel gas regulators have gauges that measure actual
pressure in the cylinder and - ANSWERS✔-pressure at the torch
\Q\.while oxygen cylinder pressure may be as high as 2200 psi, working pressure
ranges from_______to______psi. - ANSWERS✔-1, 50
\Q\.which is the best flame for welding and cutting? - ANSWERS✔-Neutral
\Q\.Which of the following conditions will cause carburizing or reducing flame? -
ANSWERS✔-excess acetylene
\Q\.If an operator using an OFC process produced an irregular cut surface with
pitting and undercutting, the most likely cause is - ANSWERS✔-a dirty cutting tip
\Q\.which of the following is basic definition of concrete? - ANSWERS✔-artificially
made rock
\Q\.what is the term for the weight of all moving and constantly acting loads? -
ANSWERS✔-live load
\Q\.which of the following is not one of the three basic components of concrete? -
ANSWERS✔-lime
