IRON WORKER FINAL QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+||BRAND NEW
the kindling temperature of steel is Ans✓✓✓1600 degrees
one advantage of the OFC process is that it is Ans✓✓✓portable
the materials that can be cut with OFC are limited primarily to
_______materials Ans✓✓✓ferrous
A welder opens the cylinder valve slightly and closes it immediately.
what process did he/she perform? Ans✓✓✓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 Ans✓✓✓check valve
A condition in which the flame burns inside the tip, torch or hose is
known as a Ans✓✓✓flashback
acetylene cylinder valves should be opened only approximately one to
one-and-a-half turns to Ans✓✓✓provide quick closure in case of an
emergency
most oxygen and fuel gas regulators have gauges that measure actual
pressure in the cylinder and Ans✓✓✓pressure at the torch
, while oxygen cylinder pressure may be as high as 2200 psi, working
pressure ranges from_______to______psi. Ans✓✓✓1, 50
which is the best flame for welding and cutting? Ans✓✓✓Neutral
Which of the following conditions will cause carburizing or reducing
flame? Ans✓✓✓excess acetylene
If an operator using an OFC process produced an irregular cut surface
with pitting and undercutting, the most likely cause is Ans✓✓✓a dirty
cutting tip
which of the following is basic definition of concrete?
Ans✓✓✓artificially made rock
what is the term for the weight of all moving and constantly acting
loads? Ans✓✓✓live load
which of the following is not one of the three basic components of
concrete? Ans✓✓✓lime
which of the following is the most accurate range of strengths for
concrete? Ans✓✓✓3000 to 20,000 psi
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+||BRAND NEW
the kindling temperature of steel is Ans✓✓✓1600 degrees
one advantage of the OFC process is that it is Ans✓✓✓portable
the materials that can be cut with OFC are limited primarily to
_______materials Ans✓✓✓ferrous
A welder opens the cylinder valve slightly and closes it immediately.
what process did he/she perform? Ans✓✓✓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 Ans✓✓✓check valve
A condition in which the flame burns inside the tip, torch or hose is
known as a Ans✓✓✓flashback
acetylene cylinder valves should be opened only approximately one to
one-and-a-half turns to Ans✓✓✓provide quick closure in case of an
emergency
most oxygen and fuel gas regulators have gauges that measure actual
pressure in the cylinder and Ans✓✓✓pressure at the torch
, while oxygen cylinder pressure may be as high as 2200 psi, working
pressure ranges from_______to______psi. Ans✓✓✓1, 50
which is the best flame for welding and cutting? Ans✓✓✓Neutral
Which of the following conditions will cause carburizing or reducing
flame? Ans✓✓✓excess acetylene
If an operator using an OFC process produced an irregular cut surface
with pitting and undercutting, the most likely cause is Ans✓✓✓a dirty
cutting tip
which of the following is basic definition of concrete?
Ans✓✓✓artificially made rock
what is the term for the weight of all moving and constantly acting
loads? Ans✓✓✓live load
which of the following is not one of the three basic components of
concrete? Ans✓✓✓lime
which of the following is the most accurate range of strengths for
concrete? Ans✓✓✓3000 to 20,000 psi
