MSSC MAINTENANCE AWARENESS FREQUENTLY
TESTED ACTUAL EXAM QUESTIONS WITH CORRECT
ANSWERS
Question 1.
Torches are designed to avoid mixing oxygen and acetylene by using __________.
ANSWER
Reverse-flow check valves at torch inlets or regulator outlets
Question 2.
To prevent leakage around the valve during use, __________
ANSWER
An oxygen cylinder valve should be opened all the way
Question 3.
An explosion can occur if __________ comes in contact with oil.
ANSWER
High pressure oxygen
Question 4.
A green welding hose normally indicates that this hose carries __________.
ANSWER
Oxygen
Question 5.
A __________ is a non-destructive test that uses a colored spray to reveal imperfections in a weld.
ANSWER
dye-penetrant test
,Question 6.
A red welding hose indicates that this hose carries __________.
ANSWER
acetylene
Question 7.
When using the __________ in welding, the electrode should be leaned 15 to 25 degrees in the direction
of travel.
ANSWER
pull technique
Question 8.
__________ metal is a metal similar in composition to the metal being joined. It strengthens the weld by
filling the gap created between the two pieces of metal during welding.
ANSWER
Filler
Question 9.
Metals treated by __________ processes become soft.
ANSWER
annealing
Question 10.
Oxy-acetylene welding requires no __________ and is not sensitive to wind or drafts like Gas Metallic Arc
Welding or Gas Tungsten Arc Welding.
ANSWER
electricity
, Question 11.
A magnaflux test is used to show what flaw in ferrous metal?
ANSWER
Cracks in the surface
Question 12.
A spot welding system consists of an electrical supply, moveable arm, and a(n) __________.
ANSWER
stationary arm
Question 13.
What device should be stored a minimum of 20 feet from flammable materials?
ANSWER
Oxygen Cylinders
Question 14.
The gas metal arc welding (GMAW) process uses __________ to melt metal wire and fuse it with the base
metal being welded.
ANSWER
Electricity
Question 15.
Circuit testers determine if __________ electricity is present.
ANSWER
AC
Question 16.
A knife switch consists of a lever and one or more sets of __________.
ANSWER
contacts
TESTED ACTUAL EXAM QUESTIONS WITH CORRECT
ANSWERS
Question 1.
Torches are designed to avoid mixing oxygen and acetylene by using __________.
ANSWER
Reverse-flow check valves at torch inlets or regulator outlets
Question 2.
To prevent leakage around the valve during use, __________
ANSWER
An oxygen cylinder valve should be opened all the way
Question 3.
An explosion can occur if __________ comes in contact with oil.
ANSWER
High pressure oxygen
Question 4.
A green welding hose normally indicates that this hose carries __________.
ANSWER
Oxygen
Question 5.
A __________ is a non-destructive test that uses a colored spray to reveal imperfections in a weld.
ANSWER
dye-penetrant test
,Question 6.
A red welding hose indicates that this hose carries __________.
ANSWER
acetylene
Question 7.
When using the __________ in welding, the electrode should be leaned 15 to 25 degrees in the direction
of travel.
ANSWER
pull technique
Question 8.
__________ metal is a metal similar in composition to the metal being joined. It strengthens the weld by
filling the gap created between the two pieces of metal during welding.
ANSWER
Filler
Question 9.
Metals treated by __________ processes become soft.
ANSWER
annealing
Question 10.
Oxy-acetylene welding requires no __________ and is not sensitive to wind or drafts like Gas Metallic Arc
Welding or Gas Tungsten Arc Welding.
ANSWER
electricity
, Question 11.
A magnaflux test is used to show what flaw in ferrous metal?
ANSWER
Cracks in the surface
Question 12.
A spot welding system consists of an electrical supply, moveable arm, and a(n) __________.
ANSWER
stationary arm
Question 13.
What device should be stored a minimum of 20 feet from flammable materials?
ANSWER
Oxygen Cylinders
Question 14.
The gas metal arc welding (GMAW) process uses __________ to melt metal wire and fuse it with the base
metal being welded.
ANSWER
Electricity
Question 15.
Circuit testers determine if __________ electricity is present.
ANSWER
AC
Question 16.
A knife switch consists of a lever and one or more sets of __________.
ANSWER
contacts
