MSSC MAINTENANCE AWARENESS
EXAM QUESTIONS WITH CORRECT
ANSWERS
Torches |are |designed |to |avoid |mixing |oxygen |and |acetylene |by |using |__________.
|- |correct |answer |Reverse-flow |check |valves |at |torch |inlets |or |regulator |outlets
To |prevent |leakage |around |the |valve |during |use, |__________ |- |correct |answer |An
|oxygen |cylinder |valve |should |be |opened |all |the |way
An |explosion |can |occur |if |__________ |comes |in |contact |with |oil. |- |correct |answer
|High |pressure |oxygen
A |green |welding |hose |normally |indicates |that |this |hose |carries |__________. |-
|correct |answer |Oxygen
A |__________ |is |a |non-destructive |test |that |uses |a |colored |spray |to |reveal
|imperfections |in |a |weld. |- |correct |answer |dye-penetrant |test
A |red |welding |hose |indicates |that |this |hose |carries |__________. |- |correct |answer
|acetylene
When |using |the |__________ |in |welding, |the |electrode |should |be |leaned |15 |to |25
|degrees |in |the |direction |of |travel. |- |correct |answer |pull |technique
__________ |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. |- |correct |answer |Filler
Metals |treated |by |__________ |processes |become |soft. |- |correct |answer |annealing
, Oxy-acetylene |welding |requires |no |__________ |and |is |not |sensitive |to |wind |or
|drafts |like |Gas |Metallic |Arc |Welding |or |Gas |Tungsten |Arc |Welding. |- |correct
|answer |electricity
A |magnaflux |test |is |used |to |show |what |flaw |in |ferrous |metal? |- |correct |answer
|Cracks |in |the |surface
A |spot |welding |system |consists |of |an |electrical |supply, |moveable |arm, |and |a(n)
|__________. |- |correct |answer |stationary |arm
What |device |should |be |stored |a |minimum |of |20 |feet |from |flammable |materials? |-
|correct |answer |Oxygen |Cylinders
The |gas |metal |arc |welding |(GMAW) |process |uses |__________ |to |melt |metal |wire
|and |fuse |it |with |the |base |metal |being |welded. |- |correct |answer |Electricity
Circuit |testers |determine |if |__________ |electricity |is |present. |- |correct |answer |AC
A |knife |switch |consists |of |a |lever |and |one |or |more |sets |of |__________. |- |correct
|answer |contacts
The |component |of |an |electrical |circuit |that |gives |the |operator |control |is |the
|__________. |- |correct |answer |input |device
The |type |of |current |that |only |flows |in |one |direction |is |__________. |- |correct |answer
|DC
Constant |voltage |power |supplies |will |maintain |a |constant |voltage |under |varying
|__________. |- |correct |answer |loads
10mA |would |be |an |example |of |__________ |value. |- |correct |answer |current
EXAM QUESTIONS WITH CORRECT
ANSWERS
Torches |are |designed |to |avoid |mixing |oxygen |and |acetylene |by |using |__________.
|- |correct |answer |Reverse-flow |check |valves |at |torch |inlets |or |regulator |outlets
To |prevent |leakage |around |the |valve |during |use, |__________ |- |correct |answer |An
|oxygen |cylinder |valve |should |be |opened |all |the |way
An |explosion |can |occur |if |__________ |comes |in |contact |with |oil. |- |correct |answer
|High |pressure |oxygen
A |green |welding |hose |normally |indicates |that |this |hose |carries |__________. |-
|correct |answer |Oxygen
A |__________ |is |a |non-destructive |test |that |uses |a |colored |spray |to |reveal
|imperfections |in |a |weld. |- |correct |answer |dye-penetrant |test
A |red |welding |hose |indicates |that |this |hose |carries |__________. |- |correct |answer
|acetylene
When |using |the |__________ |in |welding, |the |electrode |should |be |leaned |15 |to |25
|degrees |in |the |direction |of |travel. |- |correct |answer |pull |technique
__________ |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. |- |correct |answer |Filler
Metals |treated |by |__________ |processes |become |soft. |- |correct |answer |annealing
, Oxy-acetylene |welding |requires |no |__________ |and |is |not |sensitive |to |wind |or
|drafts |like |Gas |Metallic |Arc |Welding |or |Gas |Tungsten |Arc |Welding. |- |correct
|answer |electricity
A |magnaflux |test |is |used |to |show |what |flaw |in |ferrous |metal? |- |correct |answer
|Cracks |in |the |surface
A |spot |welding |system |consists |of |an |electrical |supply, |moveable |arm, |and |a(n)
|__________. |- |correct |answer |stationary |arm
What |device |should |be |stored |a |minimum |of |20 |feet |from |flammable |materials? |-
|correct |answer |Oxygen |Cylinders
The |gas |metal |arc |welding |(GMAW) |process |uses |__________ |to |melt |metal |wire
|and |fuse |it |with |the |base |metal |being |welded. |- |correct |answer |Electricity
Circuit |testers |determine |if |__________ |electricity |is |present. |- |correct |answer |AC
A |knife |switch |consists |of |a |lever |and |one |or |more |sets |of |__________. |- |correct
|answer |contacts
The |component |of |an |electrical |circuit |that |gives |the |operator |control |is |the
|__________. |- |correct |answer |input |device
The |type |of |current |that |only |flows |in |one |direction |is |__________. |- |correct |answer
|DC
Constant |voltage |power |supplies |will |maintain |a |constant |voltage |under |varying
|__________. |- |correct |answer |loads
10mA |would |be |an |example |of |__________ |value. |- |correct |answer |current
